Dr. Nelson A Bonheim, MD



Gastroenterology   -  Connecticut,  Greenwich

 Overview

Dr. Nelson A Bonheim, MD works in Greenwich, Connecticut is a specialist in Gastroenterology, Internal Medicine and graduated Bronx Muni Hospital in 1973. Dr. Bonheim is affiliated with Greenwich Hospital and practicing for 53 years

 Specialties

  • Gastroenterology
  • Internal Medicine

 Conditions

• Acupuncture Meridian Therapy
• Aneurysmal Bone Cyst
• Blindness
• Chronic Pain Management
• da Vinci® Prostate Removal
• da Vinci® Prostate Surgery
• Diabetic Retinopathy
• Duodenitis
• Dystonia 7, Torsion
• Esophageal Achalasia and Cardiospasm
  ...
• Ethmoidectomy (Sinus Surgery)
• Herpes Simplex Virus Antenatal Infection
• Inflammatory Bowel Disease
• Laparoscopic Salpingectomy
• Minimally Invasive Resection of Mediastinal Tumor
• Optic Ataxia
• Orbital Fracture
• Panic Disorder With Agorapobia
• Polycystic Ovarian Syndrome
• Pterygium
• Radical Retropubic Prostate Removal
• Renal Artery Stenosis (RAS)
• Restylane® Injections
• Retinal Laser Photocoagulation
• Retinal Testing
• Retrograde Pyetograms
• Scrambler Therapy (ST5)
• Shoulder Arthroscopy
• Stomach Surgery
• Thoracoscopic Segmentectomy
• Thromboendarterectomy or Excision of Infected Graft
• Vaginal Cancer
• Vulvar Cancer
 more details

 Procedures

• Abdominal Pain
• Anemia
• Barrett's Esophagus
• Benign Neoplasm of the Digestive System
• Cholecystitis and Gallstones
• Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
• Colorectal Cancer
• Crohn's Disease (Regional Enteritis)
• Diaphragmatic and-or Hiatal Hernia
• Diverticulitis, Intestinal
  ...
• Diverticulosis, Intestinal
• Diverticulum of Esophagus
• Duodenal Ulcer
• Dysphagia
• Endoscopy (Esophagus, Stomach, Small Intestine)
• Enteritis
• Esophageal Achalasia and Cardiospasm
• Esophageal Cancer
• Esophagitis
• Gas-Bloat Syndrome
• Gastric Ulcer
• Gastritis
• Gastroesophageal Reflux Disease (GERD)
• Gastrointestinal Bleeding
• Gastroparesis
• Heartburn
• Hemorrhoids
• Hepatitis C
• Indigestion
• Intestinal Obstruction
• Irritable Bowel Syndrome
• Liver Biopsy
• Peptic Ulcer
• Stomach and Small Intestine Cancer
• Ulcerative Colitis
• Unexplained Weight Loss
 more details

 Board Certifications

  • Board Certified by the American Board of Internal Medicine

 Years Since Graduation

  • 53

 State License

  • Connecticut

 Spoken Languages

  • French
  • Yiddish

 Education & Training

Residency Hospital

Bronx Muni Hospital

Year completed: 1973

Fellowship Hospital

New York Presbyterian Hospital/weill Cornell Med Center

New York, NY, USA

Year completed: 1975

Medical School

Rosalind Franklin University Of Medicine Science/The Chicago Medical School

North Chicago, IL, United States

Graduated: 1970

 Awards

1   ACG
2   Ag Association
3   AMA
4   ASLMS
5   Association Sg E

 Dr. Bonheim Reviews

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 Office Locations


Primary location

 Center Gastrointestinal Medcn
500 West Putnam Avenue Suite 100
Connecticut (CT)
Greenwich
6830
 Phone:(203) 863-2900
Additional data:
Free Standing Surgery Center?    No
Office Volume:    55 patients per day
Performs Procedures On Site?    Yes

Accepting New Patients

  • Yes
* Please verify this information when scheduling an appointment.

 Map & Directions



Center Gastrointestinal Medcn, 500 West Putnam Avenue Suite 100, Greenwich, Connecticut (CT), 6830




 Insurances Accepted (check insurance plans)

  • Aetna
  • Aetna HMO
  • Amalgamated Clothing & Textile Workers Union
  • Amalgamated Clothing & Textile Workers Union WC
  • Anthem
  • Blue Card PPO
  • Blue Cross Blue Shield
  • Choice Plus POS
  • Choice Plus POS II
  • Cigna
  • Cigna HMO
  • Cigna PPO
  • Connecticare
  • Connecticare HMO
  • Connecticare POS
  • EmblemHealth
  • Empire Blue Cross Blue Shield
  • Empire Blue Cross Blue Shield HMO
  • Freedom Plan
  • GHI PPO
  • Golden Rule
  • Great West Healthcare-Cigna PPO
  • Health Insurance Plan of Greater New York (HIP) PPO
  • Locals (any local)
  • MedHealthInsurance
  • Medicare
  • Medicare MCR
  • MultiPlan
  • MultiPlan PPO
  • MVP Health Care
  • Navigate HMO
  • Navigate POS
  • Open Access Plus
  • Options PPO
  • Oxford Health Plans
  • Oxford Liberty
  • Pathway X Ind PPO Direct Access CT
  • PHCS Network PPO
  • POMCO Group
  • United Healthcare
  • UnitedHealthCare

* Please verify this information when scheduling an appointment.

 Blog Posts

Blog Posts for Dr. Nelson A Bonheim, MD are not present.

 Patients Questions

Patients questions for Dr. Nelson A Bonheim, MD are not present.

 Affiliated Hospitals


Greenwich Hospital photo


Greenwich Hospital

5 Perryridge Road Connecticut CT, Greenwich, 6830

Greenwich Hospital is a hospital located in Greenwich, CT. Procedures/Diagnosis costs are at the state average in 1 of 10 procedures. Length of Stay is at the state average in 8 of 10 procedures.



  •  Latest reviews for Gastroenterology specialists

  • Dr. C. is a pleasant, professional caring and fun doctor. Answered all my questions on a keep it simple level and explained everything. He took his time. I will refer them when needed. What a great group!
    07 February 2024
    (6)
  • He is the best if you need help with panic attacks. He fixed up my medication and I feel better.
    31 January 2024
    (40)
  • Dr. Jungblut and staff are all professional, fun, conscientious. Been going here for a long time. My children and grandchildren now see Dr. Jungblut too.
    24 January 2024
    (7)
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