
Overview
John Hahn, MD, is an Atlantic Medical Group gastroenterologist specializing in diseases and disorders of the digestive system including the liver, pancreas, and esophagus. Fellowship-trained in gastroenterology, he is board-certified in both internal medicine and gastroenterology by the American Board of Internal Medicine.Dr. Hahn is a seasoned clinician with over 37 years of experience in gastroenterology. He applies his knowledge, expertise, and state-of-the-art technology to provide diagnosis, treatment, and care for patients experiencing acute and chronic gastrointestinal problems, including inflammatory bowel diseases and esophageal conditions. He takes time with each patient to explain tests, procedures, and therapies with the goal of helping patients cope with their gastrointestinal conditions in order to lead active and healthy lives. Dr. Hahn is a member of the American College of Gastroenterology.After earning his degree from UMDNJ-New Jersey Medical School, Dr. Hahn completed his residency at University Hospital-New Jersey Medical School where he also pursued fellowship training in gastroenterology. He has consistently been named a “Top Doctor” in numerous regional guides including New York Magazine, New Jersey Monthly, Jersey’s Best magazine, and Castle Connolly Top Doctors. He is a participating provider of the Atlantic Accountable Care Organization.
Dr. Hahn is rated as an Advanced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Diverticular Disease, Familial Adenomatous Polyposis, Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Endoscopy.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- EPO
- HMO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- 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
- EPO
- POS
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- MEDICARE SNP
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
534 Avenue E., Suite 1C, Bayonne, NJ 07002
Additional Areas of Focus
Dr. Hahn 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.
Lifelong Medical, P.C.
Yuriy Pertsovsky is a Gastroenterologist in Brooklyn, New York. Dr. Pertsovsky is rated as a Distinguished provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Irritable Bowel Syndrome (IBS), Familial Adenomatous Polyposis, Non-Alcoholic Fatty Liver Disease, and Chronic Erosive Gastritis.
CUIMC/Herbert Irving Pavilion
Bo Shen is a Gastroenterologist in New York, New York. Dr. Shen has been practicing medicine for over 44 years and is rated as an Elite provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Crohn's Disease, Viral Gastroenteritis, Colitis, Ileostomy, and Endoscopy. Dr. Shen is currently accepting new patients.
Daniel Megna is a Gastroenterologist in Staten Island, New York. Dr. Megna is rated as a Distinguished provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Barrett Esophagus, Hiatal Hernia, Congenital Diaphragmatic Hernia, Colonoscopy, and Gastrectomy.
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
- Advanced
- Diverticular DiseaseDr. Hahn isAdvanced. Learn about Diverticular Disease.
- Familial Adenomatous Polyposis
- Gastroesophageal Reflux Disease (GERD)
- Experienced
- AnemiaDr. Hahn isExperienced. Learn about Anemia.
- Angiodysplasia of the ColonDr. Hahn isExperienced. Learn about Angiodysplasia of the Colon.
- Barrett EsophagusDr. Hahn isExperienced. Learn about Barrett Esophagus.
- Benign Esophageal StrictureDr. Hahn isExperienced. Learn about Benign Esophageal Stricture.
- Childhood VolvulusDr. Hahn isExperienced. Learn about Childhood Volvulus.
- Chronic Erosive GastritisDr. Hahn isExperienced. Learn about Chronic Erosive Gastritis.

