Dr. Nelson A Bonheim MD Gastroenterologist

Dr. Nelson Bonheim is a gastroenterologist in Greenwich, Connecticut and is affiliated with Greenwich Hospital. He received his medical degree from Rosalind Franklin University of Medicine and Science and has been in practice for 40 years. Dr. Bonheim accepts several types of health insurance, listed below. He is one of 14 doctors at Greenwich Hospital who specialize in Gastroenterology.

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Office Location

See Contact Information

Specialty & Clinical Interests

Gastroenterologist: General Gastroenterology, Inflammatory Bowel Disease

Hospital Affiliation

Greenwich Hospital

Education & Medical Training

Albert Einstein College of Medicine at Jacobi Medical Center
Residency, Internal Medicine, 1970 - 1973

Rosalind Franklin University of Medicine and Science
Class of 1970

Certifications & Licensure

American Board of Internal Medicine
Certified 41 years in Internal Medicine

American Board of Internal Medicine
Certified 39 years in Gastroenterology

CT State Medical License
Active through 2013

Awards, Honors & Recognition

Meaningful Use Stage 1 Certification, Centers for Medicare & Medicaid Services

Publications & Presentations

Ileoscopy as an important tool for the diagnosis of Crohn's disease: a report of seven cases.
Zwas, F. R., Bonheim, N. A., Berken, C. A., Gray, S.

Diagnostic yield of routine ileoscopy.
Zwas, F. R., Bonheim, N. A., Berken, C. A., Gray, S.

A survey of the esophagus of the Mongolian gerbil.
Bonheim, N., Millhouse, E. W.

See all 7 publications

Insurances Accepted

  • Aetna Choice POS II
  • Aetna HMO
  • BCBS Blue Card PPO
  • CIGNA Open Access
  • Connecticare FlexPOS
  • Great West PPO
  • HIP of New York - Select PPO
  • Multiplan PHCS PPO
  • Multiplan PPO
  • Oxford Health Freedom
  • Oxford Health Liberty
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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