Patient Services

A highly experienced team of physicians, nurses, social workers and technologists collaborate to ensure your best possible care at the Katzen Cancer Research Center. Dedicated to the detection and treatment of patients with cancer, blood disorders and bone marrow disease, the Center provides the following services:

  • Comprehensive management of all oncologic disorders. Outpatient chemotherapy, blood transfusions, parental nutrition and intravenous antibiotic therapy are offered. Patients with acute oncologic problems including acute leukemia and complex neoplastic disorders are treated with specialized cancer treatment protocols.
  • Clinical coagulation services. Evaluation and treatment of patients with problems such as von Willebrand disease, platelet disorders, and thrombotic disorders.
  • Hematology services are offered for the management of patients with red cell, white cell or platelet disorders. Hemoglobinopathies, myeloproliferative diseases and myelodysplasia are also treated.
  • The Bone Marrow Transplantation Unit performs both autologous and allogenic transplants on patients with leukemia, lymphomas and myelomas.

Contact Information

Phone: (202) 741-2210
Cancer Center Patient Services
22nd and I St NW, Suite 1-100
Washington, D.C. 20037

Hours Of Operation: Monday-Thursday: 8 a.m. – 5 p.m.; Friday: 9 a.m. – 5 p.m.

Select the categories below for information on Cancer Center physicians:

Cancer & Blood Disorders

Robert Siegel, M.D.
Professor of Medicine
Director, Division of Hematology/Oncology
Clinical Interests: Breast Cancer, Head and Neck Cancer

James Ahlgren, M.D.
Professor of Medicine and of Pharmacology
Clinical Interests: Gastrointestinal Cancer

Jeanny B. Aragon-Ching, M.D.
Assistant Professor of Medicine
Clinical Interests: Prostate Cancer, Genitourinary Oncology

Khaled el-Shami, M.D., Ph.D.
Assistant Professor of Medicine
Clinical Interests: Hematologic Malignancies (leukemias, lymphomas, myeloma), Gastrointestinal Cancers, Melanoma

Rebecca Kaltman, M.D.
Assistant Professor of Medicine
Clinical Interests:  Genetic Risk Assessment and Breast Oncology

Lauren A. Mauro, MD
Assistant Professor of Medicine
Clinical Interests: Medical Oncology, Gastrointestinal Cancers, Thoracic Cancer

Fredrick Rickles, M.D.
Clinical Professor of Medicine
Clinical Interests: Hematology, Bleeding Disorders, Hemophilia, Thrombosis Disorders

Imad Tabbara, M.D.
Professor of Medicine
Clinical Interests: Thoracic Oncology, Hematologic Malignancies, General Hematology/Oncology

Mammography/Breast Imaging

Rachel F. Brem, M.D.
Professor of Radiology, Director, Breast Imaging and Intervention Center
Clinical Interests: Breast Imaging including Computer Aided Detection, Breast Cancer Diagnosis, Scintimammography and Minimally Invasive Breast Biopsy, New Technologies in Breast Cancer Diagnosis including Computer Aided Detection

Jocelyn A. Rapelyea, M.D.
Assistant Professor of Radiology
Clinical Interests: Breast Imaging

Jessica Torrente, M.D.
Assistant Professor of Radiology
Clinical Interests: Early breast cancer detection utilizing MRI and BSGI (breast specific gamma imaging)

Breast Care Center

Christine B. Teal, M.D. (Breast Surgery)
Associate Professor of Surgery
Director, Breast Care Center, Chief, Breast Surgery
Clinical Interests: Breast cancer, Sentinel Lymph Node Biopsy, High-risk Patients & Genetic Testing, Benign Diseases of the Breast

Anita Pruitt McSwain, M.D., MPH, FACS (Breast Surgery)
Assistant Professor of Surgery
Clinical Interests: Benign Breast Disease, Sentinel Lymph Node Biopsy, International Health, Breast Cancer

Urology

Thomas W. Jarrett, M.D.
Professor of Urology
Chairman, Department of Urology
Clinical Interests: Percutaneous Renal Sugery, Laparoscopic Partial and Radical Nephrectomy, Kidney Stones, Urinary Tract Reconstruction, Kidney Cancer, Laparoscopic and Robotic Surgery

Ramez Andrawis, M.D., FRCS, MSc
Assistant Professor of Urology
Clinical Interests: Female Urology, BPH, Urinary Incontinence and Reconstructive Surgery

Hal Frazier, M.D.
Associate Clinical Professor of Urology, Director of Urologic Oncology
Clinical Interests: Radical Prostatectomies, Laparoscopic and Robotic Surgery, Brachytherapy, Transurethral Needle Ablation (TUNA), Laser Procedures, Urinary Diversion and Reconstructive Surgery, and Lithotripsy

Michael H. Phillips, M.D.
Clinical Interests: Incontinence (Male and Female), Voiding Dysfunction, Urologic Cancers, Kidney Stones

 Tiffany Sotelo, M.D.
Clinical Interests:  Male and Female Urology and Incontinence, Voiding Dysfunction, BPH, Urinary Tract and Pelvic Reconstruction

Radiation Oncology

Martin Ojong-Ntui, M.D.
Assistant Professor of Radiology
Clinical Interests: Radiation Oncology, Therapy for Malignant Diseases, Prostate Seed Implantation

Ashima Saini, M.D.
Clinical Interests: Radiation Oncology

Surgery

Paul P. Lin, M.D. (Hepatobiliary Surgery)
Chief, Division of General Surgery
Clinical Interests: Pancreas, Surgical Oncology, Liver, Hepatobiliary and Bariatric Surgery

Bruce Abell, M.D. (General and Breast Surgery)
Assistant Professor of General Surgery
Director of Trauma and Surgical Critical Care
Clinical Interests: Breast Cancer, Critical Care

Fredrick Brody, M.D. (Hepatobiliary Surgery)
Associate Professor of Surgery
Director of Minimally Invasive Surgery
Clinical Interests: Laparoscopic Surgery, Gastric Tumors, Gastroparesis, Pancreatic Disorders, Adrenal Diseases, and Hernias, Bariatric Surgery, Morbid Obesity, Splenic Disease, Esophageal Disorders, Hernias, Biliary Disease

Anthony J. Caputy, M.D. (Neurosurgery)
Chairman, Department of Neurosurgery
Clinical Interests: General Neurosurgery, Epilepsy Surgery, Brain Tumors, Complex Spine, Vascular, Acoustic Neuromas, Spinal Tumors, Minimally Invasive Spine Surgery

Stanley M. Knoll, M.D.
Clinical Professor of Surgery
Clinical Interests: Breast, Parathyroid, Hernia, Thyroid

Juliet Lee, M.D. (General Surgery)
Assistant Professor of Surgery
Clinical Interests: Trauma, Abdominal Surgery, Bariatric Surgery, Thyroid and Parathyroid Surgery

Anita Pruitt McSwain, M.D., MPH, FACS (Breast Surgery)
Assistant Professor of Surgery
Clinical Interests: Benign Breast Disease, Sentinel Lymph Node Biopsy, International Health, Breast Cancer

Vincent Obias, M.D., M.S. (Hepatobiliary Surgery)
Assistant Professor
Clinical Interests: Rectal Prolapse, Robotic Surgery, Hemorrhoids, Anal Fistula & Fissure, Minimally Invasive Colon & Rectal Surgery, Colon Cancer, Inflammatory Bowel Disease, Diverticulitis, Familial Polyposis Syndrome, Polyp Disease, Trans-anal Endoscopy Microsurgery, Constipation, Natural Orifice Surgery

Fabio Roberti, M.D. (Neurosurgery)
Assistant Professor of Neurosurgery

Nader Sadeghi, M.D., FRCSC (Head and Neck Surgery)
Associate Professor of Surgery
Clinical Interests: Minimally Invasive Endoscopic Surgery, Thyroid and Parathyroid Surgery, Facial Plastics and Reconstruction, Head & Neck Cancer Surgery

Christine B. Teal, M.D. (Breast Surgery)
Associate Professor of Surgery
Director, Breast Care Center, Chief, Breast Surgery
Clinical Interests: Breast cancer, Sentinel Lymph Node Biopsy, High-risk Patients & Genetic Testing, Benign Diseases of the Breast

Khashayar Vaziri, M.D. (Hepatobiliary Surgery)
Assistant Professor of Surgery
Clinical Interests: Laparoscopic Foregut and Anti-Reflux Surgery, Achalasia, Paraesophageal and Hiatal Hernias, Minimally Invasive Surgery, Gastric and Bariatric Surgery, Adrenal and Splenic Disease