

Gastroenterology
Constantine Fisher, MD
Flushing, NY
Constantine George Fisher, MD, is a board-certified gastroenterologist practicing at NewYork-Presbyterian Medical Group Queens in Fresh Meadows, New York. He specializes in a broad range of gastrointestinal conditions, including bariatric endoscopy, Barrett's esophagus, celiac disease, Clostridioides difficile (C. diff) colitis, colon cancer and screening, fatty liver disease, and gastrointestinal cancer. His expertise encompasses capsule endoscopy, **fecal microb
14+
Years in Practice
Credentials
Board Certifications
- Gastroenterology (American Board of Internal Medicine)
- Internal Medicine (American Board of Internal Medicine)
Education & Training
- NewYork-Presbyterian Hospital - Queens — Fellowship, Gastroenterology (2015-2018)
- Drexel University College of Medicine / Hahnemann University Hospital — Residency, Internal Medicine (2012-2015)
- New York Medical College — M.D. (2012)
Peer Recognition
- Castle Connolly — Top Doctor
2024-2026 (3 years)
Clinical Focus
Subspecialties
Bariatric Endoscopy
Conditions & Treatments
ObesityEndoscopic Bariatric Therapy
Practice Details
Hospital Affiliations
- NewYork-Presbyterian Hospital
Languages
English, Greek
Experience
14+ years in practice