Overview
Ramon Rivera is a Gastroenterologist in Buffalo, New York. Dr. Rivera is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Pancreatic Pseudocyst, Hereditary Pancreatitis, Childhood Pancreatitis, Endoscopy, and Gastrectomy.
His clinical research consists of co-authoring 2 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- HMO
- MANAGED MEDICAID PLAN
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- 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
100 High St, Buffalo, NY 14203
1001 Main St, Fl 4, Buffalo, NY 14203
3898 Vineyard Dr, Dunkirk, NY 14048
Additional Areas of Focus
Dr. Rivera 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.
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
GLPP Gastroenterology
James Campion, MD, is a physician board-certified in gastroenterology by the American Board of Internal Medicine. Dr. Campion received his medical degree from SUNY University at Buffalo Jacobs School of Medicine and Biomedical Sciences and completed his residency at Johns Hopkins Bayview Medical Center. Dr. Campion is rated as a Distinguished provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Gastric Dysmotility, Diverticular Disease, Barrett Esophagus, Gastrectomy, and Colonoscopy.
GLPP Gastroenterology
Keith Kulju, MD, specializes in gastroenterology and is board-certified by the American Board of Internal Medicine. He is affiliated with UPMC Chautauqua. Dr. Kulju received his medical degree from SUNY Upstate Medical University and completed his residency and fellowship at the University of Rochester Medical Center. Dr. Kulju is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Trichohepatoenteric Syndrome, Diverticular Disease, Esophagitis, Gastrectomy, and Endoscopy.
Zafar K Mirza Gastroenterology PLLC
Zafar Mirza is a Gastroenterologist in Olean, New York. Dr. Mirza is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Gastric Dysmotility, Bile Duct Obstruction, Esophagitis, Endoscopy, and Hemorrhoidectomy.
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
- Acute PancreatitisDr. Rivera isAdvanced. Learn about Acute Pancreatitis.
- Bile Duct ObstructionDr. Rivera isAdvanced. Learn about Bile Duct Obstruction.
- Childhood PancreatitisDr. Rivera isAdvanced. Learn about Childhood Pancreatitis.
- Chronic PancreatitisDr. Rivera isAdvanced. Learn about Chronic Pancreatitis.
- EndoscopyDr. Rivera isAdvanced. Learn about Endoscopy.
- Hereditary PancreatitisDr. Rivera isAdvanced. Learn about Hereditary Pancreatitis.
- Experienced
- Angiodysplasia of the ColonDr. Rivera isExperienced. Learn about Angiodysplasia of the Colon.
- Annular PancreasDr. Rivera isExperienced. Learn about Annular Pancreas.
- Benign Esophageal StrictureDr. Rivera isExperienced. Learn about Benign Esophageal Stricture.
- Bile Duct StrictureDr. Rivera isExperienced. Learn about Bile Duct Stricture.
- Cholangiocarcinoma (Bile Duct Cancer)Dr. Rivera isExperienced. Learn about Cholangiocarcinoma (Bile Duct Cancer).
- CholedocholithiasisDr. Rivera isExperienced. Learn about Choledocholithiasis.

