Locations and Appointments
Insurances Accepted
Before your appointment, please contact the doctor's office or your insurance provider to verify that your insurance is accepted. This list of insurances can change, and the insurance plans listed may not be accepted at all office locations for this provider.
- Aetna Signature Administrators
- Medicare Managed Care
- HMO
- PPO
- POS
- EPO
- NY Signature
- Student Health
- Essential Plan
- Medicaid Managed Care
- Special Needs
- Medicare Managed Care
- PPO
- HMO
- Great West (National)
- EPO
- POS
- PPO
- Medicare Managed Care
- Select Care (Exchange)
- Vytra
- EPO
- Medicare Managed Care
- HMO
- PPO
- POS
- ConnectiCare
- Essential Plan
- Medicaid Managed Care
- Medicaid Managed Care
- Child/Family Health Plus
- Essential Plan
- PPO
- Medicare Managed Care
- HMO
- EPO
- Essential Plan
- Medicaid Managed Care
- Medicare Managed Care
- Child/Family Health Plus
- Leaf (Exchange)
- Medicaid Managed Care
- Child/Family Health Plus
- Medicare Managed Care
- Medicare Managed Care
- Local 1199
- MagnaCare
- Traditional Medicare
- Railroad
- Multiplan
- HMO
- Essential Plan
- Child/Family Health Plus
- Medicaid Managed Care
- Special Needs
- HMO
- POS
- PPO
- Empire Plan
- Compass (Exchange)
- Oxford Liberty
- Oxford Freedom
- Oxford HMO
- Medicare Managed Care
- Medicaid (Community Plan)
- SelectHealth
- Medicare Managed Care
- Special Needs
- Medicaid Managed Care
- Medicare Managed Care
- World Trade Center Health Plan
About John M Poneros, MD
Dr. Poneros is a Professor at Columbia University's College of Physicians and Surgeons and the Program Director of the Advanced Endoscopy Fellowship. He also serves as the Associate Director of the Endoscopy Unit and is a Fellow of the American Society of Gastrointestinal Endoscopy and the New York Society for Gastrointestinal Endoscopy. Dr. Poneros graduated from Columbia University's College of Physicians and Surgeons and completed his fellowship training at Massachusetts General Hospital. After serving on the faculty at Harvard Medical School, Dr. Poneros returned to New York-Presbyterian Hospital in 2008. He has published widely on pancreaticobiliary diseases and the treatment and evaluation of Barrett's esophagus. Dr. Poneros maintains a busy clinical practice and has been named a New York Magazine Castle Connolly Top Doctor.
Board Certifications
Specialties & Expertise
EDUCATION
- Fellowship: Brigham and Women's Hospital
- Residency: NewYork-Presbyterian Hospital/Columbia University Medical Center
- Medical School: Columbia University College of Physicians and Surgeons
LEADERSHIP, TITLES & POSITIONS
- Associate Professor of Medicine at CUMC
- Program Director of the Advanced Endoscopy Fellowship
- Associate Director of the Endoscopy Unit
HOSPITAL AFFILIATIONS
- NewYork-Presbyterian / Columbia University Irving Medical Center
- NewYork-Presbyterian / Weill Cornell Medical Center
- NewYork-Presbyterian Allen Hospital




