

Gastroenterology
Thomas Fiest, D.O.
Chief of Endoscopy, Monmouth Medical Center
Dr. Thomas C. Fiest, D.O., is a board-certified gastroenterologist with over 40 years of experience specializing in endoscopic procedures and comprehensive gastrointestinal care. Practicing primarily through Monmouth Gastroenterology in Oakhurst, NJ, he treats common conditions including anal/rectal pain, hemorrhoids, constipation, and illnesses requiring colonoscopy and gastroenterology consultations. As a partner at Monmouth Gastroenterology and former Chief of Gastroenterology, he currently s
40+
Years in Practice
Credentials
Board Certifications
- Gastroenterology (AOBIM)
- Internal Medicine (AOBIM)
Education & Training
- Philadelphia College of Osteopathic Medicine — D.O.
- Jersey City Medical Center integrated with Robert Wood Johnson Medical Center — Fellowship, Gastroenterology
- Monmouth Medical Center — Residency, Internal Medicine
- Hospital of the Philadelphia College of Osteopathic Medicine — Rotating Internship
Peer Recognition
- Castle Connolly — Top Doctor
2002-2026 (25 years)
- New Jersey Monthly — Top Doctor
2007, 2011 (2 years)
Clinical Focus
Subspecialties
Conditions & Treatments
Practice Details
Hospital Affiliations
- Hackensack Meridian Health
- Monmouth Medical Center
Languages
English
Experience
40+ years in practice