Divisions » Endocrinology & Metabolism » Endocrinology & Metabolism Fellowship

Endocrinology & Metabolism Fellowship


The Endocrinology, Diabetes and Metabolism Training Program at the GW School of Medicine and Health Sciences (SMHS) provides fellowship training in endocrinology and metabolism to physicians who have completed their internal medicine residency. The two-year training program enables trainees to develop the clinical competence and procedural skills necessary in order to practice endocrinology independently. In addition, fellowship provides an opportunity for trainees to develop their teaching skills, clinical and laboratory research skills, and personal educational skills that will prepare them for continuing professional growth after formal training has been completed.

The goals, content, and evaluation processes of the program are governed by the requirements of the American Board of Internal Medicine (ABIM) and the Accreditation Council for Graduate Medical Education (ACGME). Satisfactory completion of the training program fulfills the requirements for entrance to the certifying exam in Endocrinology, Diabetes and Metabolism administered by the ABIM.

Program Goals

  • To develop an understanding of basic endocrine physiology. The trainee should understand normal endocrine molecular biology, biochemistry and physiology, and be able to apply those concepts to understand endocrine disease mechanisms.
  • To develop a thorough knowledge of the approach to the evaluation and diagnosis of patients presenting with endocrine disorders and complaints.
  • To develop an understanding of treatment and management strategies for endocrine disorders.
  • To develop technical skills to perform thyroid ultrasound and fine needle aspiration (FNA) biopsy, dynamic testing, insulin pump therapy, continuous glucose monitoring, DXA interpretation and other skills needed for endocrine practice.
  • To develop the ability to interpret diagnostic studies, including hormonal testing and imaging studies.
  • To develop skill in the planning, performance and presentation of clinical, translational and laboratory research in Endocrinology and Metabolism.
  • To develop skills to design, initiate and perform Quality Improvement projects related to clinical endocrinology.
  • To develop skills in educating physicians, other health care professionals, patients, and lay persons about endocrine disease.

Clinical Training

The fellowship program is structured such that medical knowledge and skills pertaining to endocrine and metabolic diseases are acquired through supervised clinical experiences and formal education.

Clinical competence is developed through a structured system of learning from patients with endocrine diseases and from formal and informal didactic sessions. The clinical education program is based upon several concepts:

  • Trainees are primarily in the program to learn.
  • Gradually progressive responsibility for patient care is an important part of learning.
  • Staff physicians are responsible for the quality of patient care and the teaching process.
  • Patient contacts must be numerous and varied.  They include inpatients, and outpatients, with as much variety as the institution can provide. 
  • Continuity of care is a valuable learning tool.
  • Teaching conducted by trainees is a valuable learning tool.

Program Structure

Year One

The first year of the endocrine fellowship emphasizes the pathophysiology of endocrine disorders, structured overview of endocrine and metabolic diseases, and progressive improvement of clinical skills including history, physical examination, the diagnostic evaluation, and the therapy of these disorders. During this year, fellows are introduced to endocrine procedures including sonography of the neck, fine needle aspiration of thyroid lesions, stimulation and suppression testing, insulin pump therapy and using continuous glucose monitoring devices.

Fellows are expected to become familiar with the major endocrine literature, to become skilled in searching the published medical literature and to become proficient in analyzing articles in order to extract and summarize methods and results, and critique the major findings and conclusions.

During their first year, fellows are expected to choose a faculty mentor and initiate their research and quality improvement projects. One month of the first year is devoted to initiation of research as well an elective.

Year Two

The major clinical goal of the second year is to prepare fellows to be independent practitioners. To that end, senior fellows are given increasing responsibilities. They are expected to master the clinical skills that were introduced during their first year of fellowship. They are expected to progress in their teaching skills and improve their own lecture skills. They are expected to teach the junior fellows, as well as the residents and students who rotate through the endocrinology service.

Senior fellows are also expected to complete their research and quality improvement projects, present their findings at conferences and meetings and prepare manuscripts for publication. Two months are given to research and electives. Additionally, each second year fellow will rotate for one month at Children’s National Medical Center, and one month will be spent at National Institutes of Health.

By the completion of their second year, it is expected that fellows will have acquired the knowledge, the humanistic qualities, and the skills needed to become highly capable and independent endocrinologists who can provide outstanding patient care. Additionally, fellows will be equipped to develop their future careers (clinical, academic, research, administrative) with confidence. 

Application Process

The Endocrinology Diabetes and Metabolism Training Program participates in the National Resident Matching Program (NRMP). Applications must be submitted through the Electronic Residency Application Service (ERAS). Only complete applications will be reviewed. Selected candidates will be invited for interviews beginning in August 2016.

Requirements for GW Fellowships

Fellowship candidates must have completed an ACGME-accredited Internal Medicine residency (or an RCPSC-accredited or CFPC-accredited residency program in Canada), and be board-certified or board eligible in Internal Medicine.

Applicants must be U.S. citizens, permanent residents or J1 visa holders. Holders of other visas cannot be considered.

Complete Application

To be considered complete, the application must include the following:

  • Completed ERAS application
  • 3 letters of recommendation (one must be from the Internal Medicine Residency Program Director)
  • Medical School transcript
  • Copy of Medical School diploma and other diplomas if applicable
  • Copy of the medical education exam scores (USMLE, FLEX, ECFMG exam and valid certificate, FMGEMS)
  • Board eligibility/certifications if applicabl
  • Personal Statement
  • Current licensing information
  • Citizenship Status

International Residents

International residents who have completed Internal Medicine residency programs in the United States or Canada may be eligible for application to the Endocrine Fellowship through the International Residency Program. International Residents should contact the School of Medicine and Health Sciences Office of International Medical Programs for further details.

Explore the GW International Residency Program


On this website the candidate will find pertinent information regarding the application cycle for the fellowship. This website will explain the registration process, letters of recommendation portals, fees and important dates.

Explore ERAS


Fellowship candidates must register for both ERAS and the NRMP. A candidate who has not registered with the NRMP cannot be considered during the ranking process.

Explore NRMP

Requirements for GW Fellowships

Must have completed three years in an ACGME-Accredited Internal Medicine residency, and be board-certified or board eligible.

J1 visas sponsored only; all other visas are not considered

Criteria for Application

  • CV
  • Personal Statement
  • ERAS
  • 3 Letters of Recommendation (one from the program director)
  • Transcript
  • ECFMG Certificate
  • Board Eligible/certifications if applicable
  • Licensing Information
  • Citizenship Status

Rotation Schedule

The rotation schedule is based on 5 fellows.

Year One
Veterans’ Affairs Medical Center (VAMC) 5 months
George Washington University School of Medicine and Health Sciences (GW) 5 months
Clinical/Research Elective 1 month
Vacation 4 weeks
Year Two
Veterans Affairs Medical Center (VAMC) 4 months
George Washington University School of Medicine and Health Sciences (GW) 3 months
Pediatric Endocrinology at Children’s National Medical Center 1 month
Clinical Elective/Research Elective 2 months
Vacation 4 weeks
National Institutes of Health (NIH) 1 month

GW School of Medicine and Health Sciences

In-patient Consults:

The Endocrine fellow assigned to the in-patient consultation service is responsible for managing the in-patient service. The fellow is expected to perform an initial evaluation on patients referred to the service or to supervise residents and students rotating on the endocrine service. All patients seen in consultation are presented to the attending physician supervising the in-patient service.

Endocrine Clinics:

Clinics include: general endocrine clinics, endocrine high-risk pregnancy clinic, andrology clinic and FNA clinic. Each fellow typically attends three-to-four of these clinics during the week. Patients seen by the fellow are reviewed with the clinic attending physician including detailed discussion of the diagnostic and treatment plan.

Ultrasonography and Fine Needle Aspiration:

Fellow’s FNA and ultrasound clinic occurs once weekly.

The Veterans Affairs Medical Center

In-patient Services:

The in-patient service is divided into three teams: A, B, and C:

  • Consult team A (attending + fellow): Endocrine consults
  • Consult team B (attending + fellow):  Endocrine alerts
  • Consult team C (fellow):  Outpatient phone/fax coverage

The fellows rotate weekly on each team. Team A, together with an attending, evaluates endocrine consults. Team B, together with another attending, addresses blood glucose control problems based on the daily in-patient endocrine alert printout. Team C provides patient support via phone and fax.    

Endocrine and Diabetes Clinics:

There are half-day endocrine and diabetes clinics on Tuesdays and Fridays. The fellows on the VAMC rotation attend all of these clinics during the week. Patients seen by the fellow must be discussed with a supervising attending physician for the care plan, follow-up, and teaching. 

Fine Needle Aspirations (FNA)

Thyroid biopsies are performed with ultrasound guidance in the interventional radiology suite supervised by an attending endocrinologist. The fellow schedules this activity, ensures that an informed consent has been recorded in the EMR and that the equipment for the procedure is available. The fellow is responsible for writing a procedure note on the hospital chart that includes the indications for the biopsy, the procedure, and complications if any.


The VAMC has a telehealth program which allows patients to send clinical data from their home phone to the medical center. The Division of Endocrinology uses this capability for a number of diabetic patients who transmit their daily finger stick blood sugar logs through the system.

Fellows Continuity Clinics

All fellows participate in continuity clinics weekly on Wednesday mornings at the VAMC and on Thursday afternoons at the GW Medical Faculty Associates Ambulatory Care Center (ACC). Fellows are expected to attend their continuity clinics each week throughout their entire fellowship (except when out of town) including during clinical elective and research rotations.

The fellows are the primary endocrinologists for their continuity clinic patients and are responsible for all aspects of their patients’ care including ordering tests, reviewing test results, communicating with patients and referring physicians, ordering and renewing medications, etc.

Call at GW and VA Hospitals

After hours call is from 5 p.m. to 8 a.m. on weeknights, and from 5 p.m. Friday to 8 a.m. Monday, unless specified or pre-arranged (i.e. holidays). Fellows generally rotate call in one-week time blocks. Call may be taken from home. There is no overnight in-hospital call. The fellow on call covers both GW and VAMC—an attending physician from each clinical center is always available on back-up.

Pediatric Endocrinology Rotation at Children’s National Health System (Children’s National)

Fellows have a one-month pediatric endocrine rotation during their second year.

Clinical/Research Elective

Clinical electives are chosen by each endocrine fellow with approval of the Program Director. Electives may include nuclear medicine, ophthalmology, surgical pathology, clinical pathology, bariatric surgery, or a combination of clinics. Most second year fellows choose to do a 2 week elective in reproductive endocrinology. Additionally, second year fellows also have the option of rotating through an advanced thyroid cancer clinic at Washington Hospital Center. 

Research time is devoted to research projects that the fellow is participating in and serves as a time where that can be the focus. The fellow still goes to their two continuity clinics. Research and quality improvement projects are chosen with the help of the fellow’s mentor and faculty members.

Research and Scholarly Projects

Each fellow is expected to participate in a substantive scholarly project during fellowship training. Projects may include:

  • Research: A research project may involve any one of several types of investigations, including single case reports, review or meta-analysis, clinical research, or basic/translational research.
  • Clinical Quality Improvement: Clinical project (inpatient or outpatient to measure specific quality indicators or institute a new clinical protocol with specific endpoint measures
  • Special Projects: May include educational programs for medical students or residents, public health projects, health policy, etc.

Project Development

Within the first three months of fellowship, each endocrine fellow should meet with faculty members and discuss potential projects. A specific project should be decided at the midway point of the first academic year, and a detailed project proposal including a timeline for completion should be prepared and reviewed with the program director. Fellows who successfully complete a meritorious project will be encouraged to present the results at an appropriate venue (i.e., the Endocrine Society Annual Meeting).


Each fellow should chose an Endocrine Division faculty member (GW or VAMC) as mentor for her/his project. 

Research Elective

Fellows will each have one month of research/clinical elective time during year one of training and two months of research elective time during year two of training.

Recent fellows' presented or published case reports and review articles:

  • Adrenal carcinoma presenting as hirsutism
  • Diabetes insipidus in malaria
  • Hibernoma and pheochromocytoma
  • Lithium in the management of Graves’ disease
  • Anorexia nervosa and persistent pituitary dysfunction
  • Thyrotoxic periodic paralysis
  • Case series on Cowden Syndrome

Recent fellow’s presented or published research studies:

  • Micro RNA markers in diabetic nephropathy
  • Diffusion tensor imaging: Radiological findings in middle aged US veterans with type 2 diabetes mellitus.
  • Pre-operative parathyroid venous sampling in patients with non-localizing primary hyperparathyroidism.
  • Fitness impact on renal function in type 2 diabetes
  • Mortality risk association between exercise capacity and obstructive sleep apnea in men with type 2 diabetes mellitus and/or hypertension
  • Sequencing of the androgen receptor gene in a transgender individual with partial androgen insensitivity
  • Utility of continuous glucose monitoring during exercise in patients with type 2 diabetes
  • Effect of continuous glucose monitor on food choice, activity, and lifestyle in type 1 diabetes
  • Denosumab and change in glomerular filtration rate
  • Accelerated bone loss in amputees at the VA Medical Center 

Faculty Research Interests and Recent Publications and Presentations

Joshua L. Cohen, MD, FACP
Professor of Medicine

Research Interests:
  • Mobile Health
  • Applications of advanced technologies to diabetes care
  • Gestational diabetes
  • Quality improvement in diabetes care
Selected Publications and Abstracts:
  1. Peeples, MM, Iyer AK, Cohen JL. Lessons Learned in the Integration of a Mobile Integrated Therapy (MIT) into an Electronic Health Record (EHR) J Diabetes Sci Technol. 2013; 7:602-611.
  2. Cohen JL, Iyer A, Peeples M, Shomali M.  Mobile prescription therapy: the potential for patient engagement to enhance outcomes. American Diabetes Association Scientific Sessions. 2015
  3. Cohen JL, Johnson P, Meenakshi A, Puryear J, Katz R. Engagement with a mobile health diabetes self-management program. American Diabetes Association Scientific Sessions. 2015
  4. Phillips LA, Cohen J, Burns E, et al. Self-management of chronic illness: the role of ‘habit’ versus reflective factors in exercise and medication adherence. J Behav Med. 2016; DOI 10.1007/s10865-016-9732-z
  5. Premji R, Roopnarinesingh N, Cohen J, Sabyasachi Sen S. Cerebral malaria: an unusual cause of central diabetes insipidus. Case Reports in Endocrinology. 2016; http://dx.doi.org/10.1155/2016/204741
  6. Katz RJ, Cohen J, Magee MF, Nunlee-Bland G. Patient engagement and utilization of a diabetes mobile health app: beyond glucose monitoring. American Diabetes Association Scientific Sessions. 2016

Nicole Ehrhardt, MD
Assistant Professor of Medicine

Research Interests:
  • Telemedicine for diabetes care 
  • Obesity prevention in underserved populations
  • Continuous glucose monitoring\
  • Lifestyle modification in type 2 diabetes
Current Grant Funded Research:

In partnership with  La Clinica del Pueblo: Merck Foundation Grant: Bridging the Gap: Reducing Disparities in Diabetes Care Initiative

Selected Publications:
  1. Fonda SJ, Salkind SJ, Walker MS, Chellappa M, Ehrhardt N, Vigersky RA. Heterogeneity of responses to real-time continuous glucose monitoring (RT-CGM) in patients with type 2 diabetes and its implications for application.  Diabetes Care. 2013; 36:786-92
  2. Shrestha M, Sridhara SK, Leo LJ, Coppit GL 3rd, Ehrhardt NM.  Primary squamous cell carcinoma of the thyroid gland: A case report and review. Head Neck. 2012 Sep 24. doi: 10.1002/hed.23152
  3. Vigersky RA, Fonda SJ, Chellappa M, Walker S, Ehrhardt NM. Short and Long-Term Effects of Real-Time Continuous Glucose Monitoring in Patients with Type 2 Diabetes Mellitus. Diabetes Care. 2012; 35:32-8.
  4. Ehrhardt N, M Chellappa, S Walker, S Fonda, R Vigersky. The Effect of Real-Time Continuous Glucose Monitoring on Glycemic Control in Patients with Type II Diabetes. J Diabetes  Sci Technol. 2011; 5(3) 668-675.

Shruti Gandhi, MD
Assistant Clinical Professor of Medicine

Research Interests:
  • Type 2 diabetes and effect of lifestyle intervention in preventing long-term complications
  • Bone health/factors impacting osteoporosis.
Selected Publications and Abstracts:
  1. Lalani S, Nylen EN, Gandhi SM “From Limb Loss to Bone Loss” Endocrine Society, Orlando, FL April 2017
  2. Lalani S, Gandhi SM, Kokkinos P, Nylen ES “Metformin Attenuates Cardiorespiratory Fitness in Diabetics” American Diabetes Association – New Orleans, LA June 2016
  3. Egi M, Krinsley J, Maurer, Amin DN, Kanwazawa T, Gandhi SM, Morita K, Bailey M, Bellomo R, “ Pre-Morbid Glycemic Control Modifies the Interaction Between Acute Hypoglycemia and Mortality” Intensive Care Medicine, Apr 2016; 42(4):562-71.
  4. Nylen ES, Gandhi SM, Kherbek R, Kokkinos P “Enhanced Fitness and Renal Function in Type 2 Diabetes” Diabetic Medicine, Oct 2015; 32(10):1342-5.
  5. Lalani S, Gandhi SM, Kokkinos P, Nylen ES “Metformin Attenuates Cardiorespiratory Fitness in  Diabetics”/ American Diabetes Association- New Orleans,LA. June 2016
  6. Gandhi SM, Paal E, Nylen ES “Localized Amyloidosis: A Cause of Impaired Glycemic Control” Endocrine Society- Boston, MA. April 2016.
  7. Gandhi S, Kokkinos P, Korshak L, Powell J, Nylen E “Fitness Impact on Renal Function and Chronic Kidney Disease In Type 2 Diabetics”  Endocrine Society, Chicago IL- June 2014

Michael Irwig, MD
Associate Professor of Medicine

Research Interests:
  • Transgender medicine
  • Male hypogonadism
Selected Publications:
  1. Irwig MS. Clinical dilemmas in the management of transgender men. Curr Opin Endocrinol Diabetes Obes. 2017 Jun;24(3):233-239.
  2. Irwig MS. Testosterone therapy for transgender men. Lancet Diabetes Endocrinol. 2017 Apr;5(4):301-311.
  3. Irwig MS, Childs K, Hancock AB. Effects of testosterone on the transgender male voice. Andrology. 2017 Jan;5(1):107-112.
  4. Irwig MS. Transgender care by endocrinologists in the United States. Endocr Pract. 2016 Jul;22(7):832-6.
  5. Irwig MS. Androgen levels and semen parameters among former users of finasteride with persistent sexual adverse effects. JAMA Dermatol. 2014 Dec;150(12):1361-3.
  6. Irwig MS. Decreased alcohol consumption among former male users of finasteride with persistent sexual side effects: a preliminary report. Alcohol Clin Exp Res. 2013 Nov;37(11):1823-6.
  7. Westley CJ, Amdur RL, Irwig MS. High Rates of Depression and Depressive Symptoms among Men Referred for Borderline Testosterone Levels. J Sex Med. 2015 Aug;12(8):1753-60.
  8. Irwig MS. Testosterone therapy for transgender men. Lancet Diabetes Endocrinol. 2016 Apr 12 (online).
  9. Irwig MS. Safety concerns regarding 5α reductase inhibitors for the treatment of androgenetic alopecia. Curr Opin Endocrinol Diabetes Obes. 2015 Jun;22(3):248-53. 
  10. Irwig MS. Bone health in hypogonadal men. Curr Opin Urol. 2014 Nov;24(6):608-13.

Shikha Khosla, MD, MHA
Assistant Clinical Professor of Medicine

Research Interests:
  • Diabetes and lifestyle interventions and their impact on complications
  • Insulin antibodies and new treatment modalities for diabetes
  • Role of ProCalcitonin as a marker of inflammation and sepsis and prognosis
Selected Publications and Abstracts:
  1. Khosla R, Khosla SG, Becker KL, Nylen ES. Pleural fluid procalcitonin to distinguish infectious from noninfectious etiologies of pleural effusions. J Hosp Med. 2016 Jan 28. doi: 10.1002/jhm.2551. 
  2. Ni D, Khosla S., Nylen E. Sertraline Induced Hypoglycemia in Type 2 Diabetic Patients.  AACE Clinical Case Reports  Vol 2 No. 1 Winter 2016 e15-19. 
  3. Ghazi A., Khosla S., Becker K. Acromegaloid Facial Appearance: Case report and Literature Review. Case Reports in Endocrinology. Volume 2013 (2013), Article ID 970396, 4 pages. http://dx.doi.org/10.1155/2013/970396
  4. Elting L., Escalante C., Cooksley C., Avritscher E., Kurtin D., Hamblin L., Khosla S., Rivera E. Errors in Figure and Correspondence in: Outcomes and Cost of Deep Venous Thrombosis Among Patients With Cancer. Arch Intern Med. 2008;168(11):1218.
  5. Elting L., Escalante C., Cooksley C., Avritscher E., Kurtin D., Hamblin L., Khosla S., Rivera E. Outcomes and Cost of Deep Vein Thrombosis Among Patients with Cancer. Arch Intern Med. 2004; 164:1653-1661.\
  6. Khosla S. Severe Hypophosphatemia in a 79 year old man. Clinical Chemistry. Commentary. June 2014. http://www.clinchem.org/content/60/7/931.full
  7. Ni D, Khosla S, Nylen E Sertaline Induced Hypoglycemia in Type II Diabetic Patient. American Diabetes Association Meeting. March 2014.

Eric Nylen, MD
Professor of Medicine 

Research Interests:
  • CKD and exercise in type 2 DM
  • Adipocyte and stem cell changes with exercise in type 2 DM
  • Procalcitonin and adrenomedullin biomarker studies to reduce antibiotic use
Selected Publications:
  1. Ni D, Khosla SG, Nylen ES. Sertraline-Induced Hypoglycemia in Type 2 Diabetes Patients. AACE Clinical Case Reports: Winter 2016, Vol. 2, No. 1, pp. e15-e19.
  2. Drake TC, Hsu FC, Hire D, Chen SH, Cohen RM, McDuffie R, Nylen E, O'Connor P, Rehman S, Seaquist ER.  Factors associated with failure to achieve a glycated haemoglobin target of <8.0% in the Action to Control Cardiovascular Risk in Diabetes (ACCORD) trial. Diabetes Obes Metab. 2016 Jan;18(1):92-5.
  3. Nylen ES, Ni D, Myers J, Chang M, Phunkett MT, Kokkinos P. Cardiorespiratory Fitness Impact on All-Cause Mortality in Prediabetic Veterans J Endocrinol Metab. 2015;5(3):215-219
  4. Gandhi SM, Nylen ES.  MEN-1.  Clin Chem. 2015 Nov;61(11):1331
  5. Papademetriou V, Lovato L, Doumas M, Nylen E, Mottl A, Cohen RM, Applegate WB, Puntakee Z.  Chronic kidney disease and intensive glycemic control increase cardiovascular risk in patients with type 2 diabetes.  Kidney International (2015) 87, 649–659.
  6. Passi M, Garige M, Gong M, Leckey L, Nylen ES, Shah R, Lakshman MR.  Protective roles of polyphenols against the pathogenesis of diabetes, cardiovascular and other chronic diseases.  Curr Topics Biochemical Res 2014;15:109-126.
  7. Papademetriou V, Lovato L, Doumas M, Nylen E, Mottl A, Cohen RM, Applegate WB, Puntakee Z, Yale JF, Cushman WC.  Chronic kidney disease and intensive glycemic control increase cardiovascular risk in patients with type 2 diabetes.  Kidney Int. 2014 Sep 17. 
  8. Papademetriou V, Lovato L, Tsioufis C, Cushman W, Applegate WB, Mottle A, Punthakee Z, Nylen E.  Effects of High Density Lipoprotein Raising Therapies on Cardiovascular Outcomes in Patients with Type 2 Diabetes Mellitus, with or without Renal Impairment: The Action to Control Cardiovascular Risk in Diabetes Study.  Am J Nephrol. 2017;45(2):136-145

Sabyasachi Sen, MD, FRCP, FACP, FACE
Associate Professor of Medicine And Associate Professor of Anatomy & Regenerative Medicine

Research Interests:
  • Survival and differentiation of human adult stem cells in hyperglycemia 
  • Use of stem cells to treat diabetes complications such as NASH, CKD, MI and PVD
  • Use of adult stem cells to predict cardio-metabolic health in response to exercise, artificial sweeteners, food additives and diabetes medications. 
Current Grant Funded Research Projects:
  • Use of P53 silenced Endothelial Progenitor Stem Cells to treat diabetic vascular complications 
  • Use of CD34+ cell number, function and gene expression in evaluating endothelial dysfunction in patients with early type 2 diabetes, pre and post saxagliptin therapy. 
  • Role of Linagliptin in improving renal failure by improving CD34+ stem cell number, function and gene expression in renal function impaired type 2 diabetes patients
  • Role of Canagliflozin on gene expression and function of CD34+ endothelial progenitor cells in patients with type 2 diabetes and mild chronic kidney disease (stages 1‐2, CKD)”
  • Use of genetically engineered mesenchymal stem cells (MSCs) to improve glucose homeostasis and fatty liver disease in diabetes and obesity
  • Analysis of subcutaneous fat to predict and follow cardio-metabolic health following use of sucralose
  • Use of diabetes medication in cancer and non-cancer stem cells
Selected Publications: 
  1. Kundu N, Domingues CC, Chou C, Ahmadi N, Houston S, Jerry DJ, Sen. S. Use of p53-Silenced Endothelial Progenitor Cells  To Treat Ischemia in Diabetic Peripheral Vascular Disease.  J Am Heart Assoc. 2017 Apr 1;6(4). pii: e005146. doi: 10.1161/JAHA.116.005146. 
  2. Sen S, Merchan JA, Dean J, Ii M, Gavin M, Silver M, Tkebuchava T, Yoon YS, Rasko JE, Aikawa R. Autologous transplantation of endothelial progenitor cells genetically modified by adeno-associated viral vector delivering insulin-like growth factor-1 gene after myocardial infarction. Human Gene Therapy. 2010 Oct; 21(10):1327-34. 
  3. Sumner AE, Sen S, Ricks M, Frempong B, Sebring N, Kushner H: Determining the waist circumference in African Americans which best predicts insulin resistance. Obesity (Nature Publications). 2008; 16(4):841-845. 
  4. Sabyasachi Sen, Sarah Witkowski, Ann Lagoy, Ashequl M. Islam:  A six-week home exercise program improves endothelial function and CD34+ circulating progenitor cells in patients with pre-diabetes. J Endocrinol Metab.2015; 5 (1-2):163-171 
  5. Sabyasachi Sen, Cleyton Dominguez, Carol Rouphael, Cyril Chou, Chul Kim, Nagendra Yadava: Genetic modification of human mesenchymal stem cells helps to reduce adiposity and improve glucose tolerance in an obese diabetic mouse model: Stem Cell Research & Therapy.2015, 6:242. DOI: 10.1186/s13287-015-0224-9. 
  6. Cleyton Domingues, Nabanita Kundu, Neeki Ahmadi, Sabyasachi Sen: Intra-Peritoneal Delivery of Genetically Modified Human Mesenchymal Stromal Cells (MSCs) Can Improve Glucose Homeostasis in Diet Induced Obese (DIO) Diabetic Mouse Models By Upregulating UCP1 in White Fat. Endocrine Society 99th Annual Meeting, 2017 (Oral Presentation and Selected for Outstanding Abstract Award).
  7. Nabanita Kundu, Cleyton Domingues, Brent Abel, Neeki Ahmadi, Jay Patel, Allison C Sylvetsky, Monica Skarulis, Kristina Rother, Sabyasachi Sen.: Low Calorie Sweeteners Alter Glucose Uptake and Promote Adipogenesis in Human Fat Biopsy-Derived Mesenchymal Stromal Cells (MSCs) in-Vitro and in Subjects’ Subcutaneous Fat. The Endocrine Society 99th Annual Meeting, 2017 (Oral Presentation and Selected for High Impact Press Coverage).
  8. Nabanita Kundu, Cleyton C Domingues, Edina Paal, Peter Kokkinos, Eric S Nylen, Sabyasachi Sen.: Effect of Exercise Training on Fat-Derived Mesenchymal Stromal Cells (MSCs) in Prediabetes Subjects, moderated poster presentation at the American Diabetes Association's 77th Scientific Sessions, June 9-13, 2017 in San Diego, California.


  Monday Tuesday Wednesday       Thursday Friday
8:00 Endocrinology Grand Rounds
Endocrinology Conference
    Core Lecture

DXA Review
2300 M Street
(first Friday of the month)


11:00   Thyroid Conference
12:00       Medicine Grand Rounds
1:00     Didactic Lecture Series
4:00 Journal Club
(every other week)  
    Multidisciplinary Thyroid Conference
Neuroendocrine Conference
(Alternate 3rd  Thursday monthly)

Core Lecture Series

The year commences with approximately 20 core lectures that take place twice weekly in the summer at Washington Hospital Center and Georgetown in conjunction with their endocrinology fellowship program. These conferences are an introduction to a broad range of endocrine topics and diseases. Additionally there are lectures in radiology and diagnostic testing.

Endocrine Grand Rounds

Guest speakers and Endocrine Division members review contemporary clinical, translational, and basic research topics. Each endocrine fellow typically presents two conferences per year.

Journal Club

The journal club is held jointly with the Washington Hospital Center endocrine fellows and faculty every other week. For each journal club, two articles from the current medical literature are presented by fellows or residents and critically reviewed.

DXA Conference

Fellows meet with a member of the Department of Radiology to interpret and review DEXA bone density studies.

Multidisciplinary Thyroid Case Conference

The departments of Otolaryngology, Radiology and Pathology participate in the bi-monthly multidisciplinary thyroid case conference, where they review recent cases seen by the joint services. Additionally, a short presentation on a specific thyroid topic is typically presented by an endocrinology fellow.

Neuroendocrine Conference

Bi-monthly joint conference with Neurosurgery and neuroradiology (alternates with the multidisciplinary conference) focused on discussion of interesting neuroendocrine cases seen recently by the consultation services or in clinic. A short presentation on a specific neuroendocrine/pituitary topic is typically presented by an endocrinology fellow.

Washington Hospital Center Conferences

Endocrine fellows and faculty are invited to attend the Washington Hospital Center/Georgetown Hospital weekly Endocrine Grand Rounds and Thyroid Conferences. GW endocrinology fellows often present at Thyroid Conference.

Fellows and Alumni

Current Fellows | 2018-2020

Farah AlSarraf, MD
Medicine Residency: University of Utah

Harleen Dehal, MD
Medicine Residency: Sinai Hospital, Baltimore

Preethi Padmanaban, MD
Medicine Residency: St. Elizabeth’s Hospital
Fellowship: Geriatrics at George Washington University

Current Fellows | 2017-2019

Munaza Akunjee, MD
Medicine Residency: Providence Hospital

Sasan Fazeli, MD
Medicine Residency: Providence Hospital

Alumni Fellows


Sana Akbar, MD
Medicine Residency: University of Tennessee
Post-fellowship position: TBD

Amani Alameer, MD
Medicine Residency: George Washington University
Post-fellowship position: Endocrinologist at Medstar, St. Mary’s

Enas AlZaghal, MD
Medicine Residency: University of Arizona
Post-fellowship position: Endocrinologist at University of Nebraska affiliate


Preethi Kadambi, MD
Medicine Residency: Howard University
Current position: Endocrinologist at University of Maryland, Baltimore Washington Medical Center

Sheliza Lalani, MD
Medicine Residency: George Washington University
Current position: Endocrinologist at Bayly Medical Clinic, Toronto, Ontario, Canada


Naima AlFaraj, MD
Current Position: Internal Medicine and Endocrinology Consultant, Al Zahra General Hospital, Qatif, Saudi Arabia

Kriti Gupta, MD
Current Position: Endocrinologist, Endocrine and Thyroid Specialists/Monocacy Health Partners, Frederick, MD

Resmi Premji, MD
Current Position: Endocrinologist, Montage Medical Group, Marina, CA


Jamil Addas, MD
Current Position: Consultant Endocrinologist, Dr. Soliman Fakeeh Hospital, Jeddah, Saudi Arabia

Ishita Prakash, MD
Current Position: Endocrinologist, Pierremont Endocrine Center, Shreveport, Louisiana

Nira Roopnarinesingh, MD
Current Position: Attending Physician, Bayhealth Endocrinology, Milford and Dover, Delaware


Shruti Gandhi, MD 
Current Position: Endocrinologist, Veteran’s Affairs Medical Center
Assistant Professor of Medicine, George Washington University School of Medicine, Washington, DC

Catherine Luz Tello, MD 
Current Position: Endocrinologist, Maryland Endocrine, Columbia, Maryland


Hawaa Al Mansouri, MD
Current Position: Deputy Director, Imperial College of London Diabetes Center, Abu Dhabi, United Arab Emirates

Tanu Chandra, MD
Current Position: Endocrinologist, University of Maryland Center for Diabetes and Endocrinology at Upper Chesapeake Medical Center, Bel Air, Maryland

David Ni, MD
Current Position: Endocrinologist, Maryland Endocrine, Columbia, Maryland


Manchin Chang, MD
Current Position(s): Endocrinologist, Diabetes and Endocrinology Associates | Clinical Assistant Professor of Medicine, Brown University Alpert School of Medicine, Providence, Rhode Island

Adline Ghazi, MD
Current Position: Endocrinologist, Diabetes and Endocrine Center,
Medstar Union Memorial Hospital, Baltimore, Maryland


Khalid Alswat, MD
Current Position(s): Dean of Graduate Studies and Assistant Professor of Medicine,
Taif University School of Medicine | Consultant Physician of Internal Medicine, Mansour Military Hospital, Taif, Saudi Arabia

Jeffrey Mindel, MD
Current Position: Endocrinologist, Bay West Endocrinology Associates, Baltimore, Maryland

Jonathan Welden, MD 
Current Position: Endocrinologist, The Baton Rouge Clinic AMC, Baton Rouge, Louisiana