Overview
Dr. Jonathan M. Koff is a gastroenterologist affiliated with Sibley Memorial Hospital and Washington Hospital Center. Dr. Koff practices out of Capital Digestive Care’s Metropolitan Gastroenterology Group, located in Washington, D.C. and Chevy Chase, Md. Dr. Koff has an expertise in esophageal disease and colon cancer detection and screening, in addition to general gastroenterology. Dr. Koff earned his undergraduate degree from Wesleyan University and his medical degree from Boston University School of Medicine. He completed a residency in internal medicine at Walter Reed National Military Medical Center, where he went on to complete a fellowship in gastroenterology. Dr. Koff served in the United States Army for 11 years, working as an internist at the Army clinic in the Pentagon, as a first responder on 9-11 and on a tour in Iraq at the 31st Combat Support Hospital in Mosul. Dr. Koff also went on to direct the Center for Liver Disease and the Inflammatory Bowel Disease Clinic at Walter Reed Army Medical Center, where he served as the director of clinical research in gastroenterology as well. He also completed the first double balloon enteroscopy in the United States Army and in Washington, D.C. Dr. Koff is a member of the American College of Gastroenterology. He is on Sibley Memorial Hospital’s Emergency Room Committee and Internal Medicine Peer Review Committee. Dr. Koff has been named a Top MD by Washingtonian Magazine. Dr. Koff has contributed to various publications and presentation on gastroenterology.
Dr. Koff is rated as an Experienced provider by MediFind in the treatment of Neuroendocrine Tumor. His top areas of expertise are Crohn's Disease, Ulcerative Colitis, Eosinophilic Colitis, Endoscopy, and Gastrectomy.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
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- PPO
- EPO
- HMO
- PPO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE PART D
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- HMO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE-MEDICAID PLAN
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER MEDICARE
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
5550 Friendship Boulevard, Suite T90, Suite T90, Chevy Chase, MD 20815
Additional Areas of Focus
Dr. Koff has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
Constantine Stratakis is a Medical Genetics specialist and a Gastroenterologist in Bethesda, Maryland. Dr. Stratakis is rated as an Elite provider by MediFind in the treatment of Neuroendocrine Tumor. His top areas of expertise are Cushing's disease, Neuroendocrine Tumor, Gastrointestinal Stromal Tumor, Orchiectomy, and Hormone Replacement Therapy (HRT).
Johns Hopkins Bayview Medical Center
Gastroenterologist Saowanee Ngamruengphong specializes in the endoscopic diagnosis and management of gastrointestinal malignancies, premalignant and malignant lesions in the gastrointestinal tract (e.g., early gastric cancer, Barrett's esophagus-associated neoplasia), esophageal cancer, colon polyps or early colorectal cancer, and pancreatic and biliary disease. Dr. Ngamruengphong earned a medical degree from Chulalongkorn University and completed residency training at the Texas Tech University Health Sciences Center. She undertook fellowship training in gastroenterology at the Mayo School of Graduate Medical Education and further fellowship training in therapeutic endoscopy at The Johns Hopkins Hospital. Her research interests include endoscopic resection and the management of precancerous or cancerous gastrointestinal lesions. Dr. Ngamruengphong is a member of several professional organizations, including the Thai Medical Council, the American College of Gastroenterology and the American Gastroenterological Association. Videos Endoscopic Submucosal Dissection (ESD) — Eileen’s Story Recent News Articles and Media Coverage A Rare, Stomach-Saving Endoscopic Procedure, Inside Tract (Spring 2021) Case Presentation: ESD-TAMIS, Inside Tract (Spring 2019) Innovative Approaches to Colorectal Surgery Benefit Patients, Surgery (Winter 2019) For Colorectal Polyps: Early Detection and Minimally Invasive Endoscopic Resection, Inside Tract (Winter, 2019) The Cutting Edge of Endoscopic Resection, Inside Tract (Spring, 2017) Stomach Cancer: Know Your Risks & Treatment Options, Johns Hopkins Surgery (4/26/2017). Dr. Ngamruengphong is rated as a Distinguished provider by MediFind in the treatment of Neuroendocrine Tumor. Her top areas of expertise are Achalasia, Pancreatic Pseudocyst, Stomach Cancer, Endoscopy, and Gastric Bypass.
University Of Maryland Physicians PA
Peter Darwin is a Gastroenterologist in Baltimore, Maryland. Dr. Darwin is rated as a Distinguished provider by MediFind in the treatment of Neuroendocrine Tumor. His top areas of expertise are Cholestasis, Bile Duct Obstruction, Bile Duct Stricture, Endoscopy, and Pancreatectomy.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- Crohn's DiseaseDr. Koff isDistinguished. Learn about Crohn's Disease.
- Ulcerative ColitisDr. Koff isDistinguished. Learn about Ulcerative Colitis.
- Advanced
- Barrett EsophagusDr. Koff isAdvanced. Learn about Barrett Esophagus.
- Benign Esophageal StrictureDr. Koff isAdvanced. Learn about Benign Esophageal Stricture.
- Colonic MalakoplakiaDr. Koff isAdvanced. Learn about Colonic Malakoplakia.
- DiarrheaDr. Koff isAdvanced. Learn about Diarrhea.
- Diverticular DiseaseDr. Koff isAdvanced. Learn about Diverticular Disease.
- Eosinophilic ColitisDr. Koff isAdvanced. Learn about Eosinophilic Colitis.
- Experienced
- AchalasiaDr. Koff isExperienced. Learn about Achalasia.
- Anal FissureDr. Koff isExperienced. Learn about Anal Fissure.
- AnemiaDr. Koff isExperienced. Learn about Anemia.
- Angiodysplasia of the ColonDr. Koff isExperienced. Learn about Angiodysplasia of the Colon.
- Arteriovenous MalformationDr. Koff isExperienced. Learn about Arteriovenous Malformation.
- Bacterial GastroenteritisDr. Koff isExperienced. Learn about Bacterial Gastroenteritis.