The 20 Best Gastrointestinal Stromal Tumor Doctors Near Me in Bethesda, MD
Find the Top Gastrointestinal Stromal Tumor Experts and Specialists
Constantine Stratakis is a Medical Genetics specialist and a Gastroenterologist practicing medicine in Bethesda, Maryland. Dr. Stratakis is rated as an Elite provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Cushing's disease, Neuroendocrine Tumor, Gastrointestinal Stromal Tumor, Hormone Replacement Therapy (HRT), and Orchiectomy.
Sibley Memorial Hospital
Karim Boudadi, M.D., is a medical oncologist and hematologist with the Johns Hopkins Kimmel Cancer Center at Sibley Memorial Hospital in Washington, D.C., and an assistant professor in the Department of Oncology at Johns Hopkins University School of Medicine. Listen to Dr. Boudadi’s Cancer Matters podcast episode to learn more about his work. Dr. Boudadi has expertise in treating cancers of the head and neck, including salivary gland cancers, as well as cancers of the esophagus, and bone and soft tissue sarcomas. Having completed dual training in medical oncology and hematology at Johns Hopkins University, Dr. Boudadi also treats patients with benign hematologic conditions or non-cancer related blood disorders, such as anemia, low blood counts, bleeding disorders, and clotting disorders. Dr. Boudadi earned his medical degree from the University of Rochester School of Medicine. He completed a residency in internal medicine at the University of Michigan in Ann Arbor, MI, and went on to serve as a clinical lecturer in the Department of Internal Medicine at the University of Michigan Medical School before joining Johns Hopkins. He then completed dual fellowship training in both hematology and medical oncology at the Johns Hopkins University School of Medicine. Dr. Boudadi's research during his fellowship focused on prostate cancer and immunotherapy. Dr. Boudadi is a member of the American Society of Clinical Oncology, the American Society of Hematology, the American College of Physicians, and the American Medical Association. He is also a member of the Hematology and Oncology Fellowship Selection Committee at The Johns Hopkins University School of Medicine. Dr. Boudadi has extensive clinical trial development experience and has published his work in peer-reviewed journals. His primary research interest is immunotherapy. Recent News Articles and Media Coverage Cancer Matters Podcast: Dr. Bill Nelson discussing the treatment of HPV related head and neck cancers, Johns Hopkins Kimmel Cancer Center Podcasts (May 23, 2019). Dr. Boudadi is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Glioma, Mesenchymoma, Undifferentiated Pleomorphic Sarcoma, Gastrointestinal Stromal Tumor, and Prostatectomy. Dr. Boudadi is board certified in American Board Of Internal Medicine.
Sibley Memorial Hospital
Bruce R. Kressel, M.D., is a medical oncologist at Johns Hopkins Kimmel Cancer Center at Sibley Memorial Hospital and an instructor at Johns Hopkins University School of Medicine. In addition to an expertise in breast and lung cancer, Dr. Kressel has an expertise in gynecologic oncology and general medical oncology, with specific focuses on hematologic malignancies including lymphoma, leukemia and myeloma. Dr. Kressel earned his medical degree at Tufts University School of Medicine. He completed a residency in internal medicine at George Washington University School of Medicine, followed by a fellowship in hematology and oncology, also at George Washington University School of Medicine. Dr. Kressel completed a fellowship in oncology at the Georgetown Lombardi Comprehensive Cancer Center as well. Dr. Kressel has been regularly named one of America’s Top Doctors and one of America's Top Doctors for Cancer by Castle Connolly. He has also been named a Top Doctor in the Washington D.C. and Washington-Baltimore areas by Castle Connolly, as well as a Top Doctor by Consumers’ Checkbook Magazine and Washingtonian Magazine. Dr. Kressel is a member of the American Society of Clinical Oncology and the American Society of Hematology. Dr. Kressel has contributed to numerous publications, presentations and clinical trials. Dr. Kressel is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 62 other conditions, according to our data. His clinical expertise encompasses Essential Thrombocythemia, Non-Hodgkin Lymphoma, Gastric Lymphoma, Chronic Lymphocytic Leukemia (CLL), and Splenectomy. Dr. Kressel is board certified in American Board Of Internal Medicine.
Sibley Memorial Hospital
Dr. Michail Mavros, a surgical oncologist specializing in complex cancers, is deeply committed to offering his patients personalized, advanced care. Originally from Athens, Greece, Dr. Mavros's passion for oncology was sparked during medical school after losing a close friend to cancer. This life-changing event inspired him to dedicate his career to improving the lives of cancer patients. Dr. Mavros is one of few surgeons with accredited subspecialty training in both complex surgical oncology and hepato-pancreato-biliary (HPB) surgery, making him highly qualified to treat cancers of the liver, pancreas, and bile ducts. He is also skilled in minimally invasive techniques, including laparoscopic and robotic-assisted surgery, which offer benefits such as faster recovery, reduced pain, and improved outcomes. At the heart of Dr. Mavros' approach is his belief in individualized care. He works closely with a multidisciplinary team of experts, including medical oncologists, radiation oncologists, and pathologists, to ensure each patient receives a thorough evaluation. This collaborative approach results in comprehensive, personalized treatment plans. By leveraging the latest advances in precision medicine, Dr. Mavros tailors his treatments to meet the unique needs of each patient, guided by the most current scientific research and evidence-based practices. Dr. Mavros is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Neuroendocrine Tumor, Familial Pancreatic Cancer, Pancreatic Cancer, Pancreaticoduodenectomy, and Pancreatectomy. Dr. Mavros is board certified in American Board Of Surgery.
Sibley Memorial Hospital
Valerie Lee, M.D., is a medical oncologist with the Johns Hopkins Sidney Kimmel Cancer Center at Sibley Memorial Hospital, as well as an instructor of medical oncology at Johns Hopkins University School of Medicine. Dr. Lee has an expertise in management of gastrointestinal malignancies, including gastric, colon and pancreatobiliary cancers. Dr. Lee earned her medical degree from the Columbia University College of Physicians and Surgeons. She completed a residency in internal medicine at New York Presbyterian Hospital, followed by a fellowship in medical oncology at the Johns Hopkins University School of Medicine. Dr. Lee is currently earning her Certificate in Science of Clinical Investigation at Johns Hopkins Bloomberg School of Public Health. Dr. Lee is a member of the American Society of Clinical Oncology. Dr. Lee manages multiple early phase trials and her work has been published in peer-reviewed journals. Her research interests include clinical trials for patients with gastrointestinal malignancies, and combining traditional chemotherapies with immunotherapy to improve survival and quality of life for patients. She has received a Cancer Center Training grant for research on molecular targets for cancer detection and treatment and has spoken at numerous conferences on updates in gastrointestinal malignancies. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. She is also highly rated in 13 other conditions, according to our data. Her clinical expertise encompasses Familial Pancreatic Cancer, Pancreatic Cancer, Familial Colorectal Cancer, and Cholangiocarcinoma (Bile Duct Cancer). Dr. Lee is board certified in American Board Of Internal Medicine.
Sibley Memorial Hospital
Dr. Michael Pishvaian is the director of Gastrointestinal, Developmental Therapeutics and Clinical Research Programs for the Johns Hopkins Kimmel Cancer Center in the Greater Washington Area and an associate professor at the School of Medicine. Dr. Pishvaian is a fellowship-trained gastrointestinal oncologist specializing in pancreatic and refractory colorectal cancers. He is committed to precision medicine and provides his patients with the most appropriate and advanced level of care. He conducts all phases of clinical trials for all GI cancers and enrolls qualifying patients. Click here to learn more about oncology clinical trials the Greater Washington Area. Dr. Pishvaian is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses Pancreatic Cancer, Colorectal Cancer, Familial Pancreatic Cancer, Pancreaticoduodenectomy, and Pancreatectomy. Dr. Pishvaian is board certified in American Board Of Internal Medicine.
Sibley Memorial Hospital
Dr. Brett Parker is a general surgeon and fellowship-trained minimally invasive foregut and bariatric surgeon. He is an Assistant Professor of Surgery at Johns Hopkins and also the Program Director for the Johns Hopkins Advanced GI and Minimally Invasive Surgery Fellowship Program. Dr. Parker is an expert in minimally invasive surgical techniques including advanced laparoscopy and robotic surgery, as well as therapeutic flexible endoscopy. He is interested in promoting the evolving indications for surgical repair of hiatal hernias, as well as adjunct procedures surgeons can use to reduce recurrence rates. He offers a wide range of interventions for GERD, including innovative endoscopic therapies, and promotes early surgical referral to discuss and tailor therapy to individual patient circumstances. Dr. Parker also has a robust abdominal wall reconstruction and weight loss surgery practice. He is widely published on the surgical outcomes of foregut surgery, emerging technologies, and innovation, as well as surgical simulation and skills transfer. Dr. Parker has consistently been selected as a Washingtonian Magazine Top Doctor in 2023, 2024, and 2025. As a member of the Johns Hopkins Division of Minimally Invasive Surgery in the Greater Washington Area, Dr. Parker is dedicated to the best, individualized, patient outcomes. Learn more about Dr. Parker and his partners within the Johns Hopkins Division of Minimally Invasive Surgery, the Johns Hopkins Heartburn Center and the Johns Hopkins Motility and Neurogastroenterology Center. Dr. Parker is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Hiatal Hernia, Hernia, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gallbladder Removal. Dr. Parker is board certified in American Board Of Surgery.
Capital Digestive Care & Metropolitan Gastroenterology Group
Steven Zeddun is a Gastroenterologist practicing medicine in Chevy Chase, Maryland. Dr. Zeddun is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Achalasia, Crohn's Disease, Ulcerative Colitis, Endoscopy, and Colonoscopy.
Center For Cancer & Blood Disorders
Victor Priego is a Hematologist Oncology specialist and an Oncologist practicing medicine in Bethesda, Maryland. Dr. Priego is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Myelodysplastic Syndrome (MDS), Anemia, Hemangioma Thrombocytopenia Syndrome, Thrombocytopenia, and Splenectomy. Dr. Priego is board certified in American Board Of Internal Medicine.
Adventist HealthCare Imaging
Roberto Soto is a Radiologist practicing medicine in Rockville, Maryland. Dr. Soto is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Baker Cyst, Gastrointestinal Stromal Tumor, Lymphofollicular Hyperplasia, and Pleurisy.
MedStar Health Gastroenterology At MedStar Georgetown University Hospital
Nadim Haddad is a Gastroenterologist practicing medicine in Washington, Washington, D.c.. Dr. Haddad is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Gallstones, Gallbladder Disease, Bile Duct Obstruction, Gallbladder Removal, and Endoscopy.
MedStar Washington Hospital Center
Dennis Priebat is a Hematologist practicing medicine in Washington, Washington, D.c.. Dr. Priebat is rated as a Distinguished provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 29 other conditions, according to our data. His clinical expertise encompasses Adult Soft Tissue Sarcoma, Undifferentiated Pleomorphic Sarcoma, Mesenchymoma, and Rhabdomyosarcoma Embryonal.
Laboratory Corporation Of America
Frederick Barr is an Oncologist practicing medicine in Chevy Chase, Maryland. Dr. Barr is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Urothelial Cancer, Non-Muscle Invasive Bladder Cancer, Muscle Invasive Bladder Cancer, and Bladder Cancer.
Office
Ramaprasad Srinivasan is a Surgical Oncologist practicing medicine in Bethesda, Maryland. Dr. Srinivasan is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His clinical expertise encompasses Gastrointestinal Stromal Tumor, Pheochromocytoma, Neuroendocrine Tumor, Embryonal Tumor with Multilayered Rosettes, and Nephrectomy.
Privia Medical Group LLC
Charles Umosella is a primary care provider, practicing in Family Medicine in Bethesda, Maryland. Dr. Umosella is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and High Cholesterol.
Cullen Umosella Cullen & Cullen
Dr. Dennis A. Cullen is an internist affiliated with Sibley Memorial Hospital. He practices out of Cullen, Umosella, Cullen & Cullen in Bethesda, Md. and Oxon Hill, Md. Dr. Cullen earned his medical degree from Georgetown University School of Medicine. He completed a residency in internal medicine at Georgetown University Hospital. Dr. Cullen has been named a Top MD by Consumers’ Checkbook Magazine, as well as a Top Family/General Practitioner and a Top Internist by Washingtonian Magazine. Recent News Articles and Media Coverage The Brothers Cullen. Bethesda Magazine (January/February 2008). Dr. Cullen is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Vitamin B12 Deficiency Anemia, Multiple Carboxylase Deficiency, Folate Deficiency, and Subacute Combined Degeneration. Dr. Cullen is board certified in American Board Of Internal Medicine.
Office
Richard Pazdur is an Oncologist practicing medicine in Bethesda, Maryland. Dr. Pazdur is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Non-Small Cell Lung Cancer (NSCLC), Lung Cancer, Breast Cancer, Tissue Biopsy, and Nephrectomy.
Capitol Surgeons LLC
George Conrad is a General Surgeon practicing medicine in Silver Spring, Maryland. Dr. Conrad is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Cellulitis, Ogilvie Syndrome, Gallstones, Hernia Surgery, and Small Bowel Resection.
Sibley Memorial Hospital
Shruthi Perati is a General Surgeon practicing medicine in Washington, Washington, D.c.. Dr. Perati is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. Her clinical expertise encompasses Adrenocortical Carcinoma, Stomach Cancer, Gastrointestinal Stromal Tumor, and Adult Soft Tissue Sarcoma.
3800 Reservoir Road Northwest 2 Main
Walid Chalhoub is a Gastroenterologist practicing medicine in Washington, Washington, D.c.. Dr. Chalhoub is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Jaundice, Bile Duct Obstruction, Bile Duct Cysts, Endoscopy, and Gastrostomy.
Last Updated: 04/28/2026






