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NELSON A BONHEIM MD
NPI 1366514549
Internal Medicine - Gastroenterology in Greenwich, CT

Active since November 14, 2006
500 W PUTNAM AVE, SUITE 100, GREENWICH, CT 06830(203) 863-2900(203) 863-2901 Get Directions Write a Review

NPPES record last updated: September 24, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Nelson A Bonheim Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NELSON A BONHEIM MD (NPI 1366514549) is an individual gastroenterology provider in Greenwich, Connecticut, licensed in Connecticut (017080) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1366514549
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameNELSON A BONHEIMCredential: MD
Location Address500 W PUTNAM AVE, SUITE 100Greenwich, CT 06830-6086
Mailing Address500 W Putnam Ave, Suite 100Greenwich, CT 06830-6086 · (203) 863-2900 · Fax (203) 863-2901
Phone(203) 863-2900
Fax(203) 863-2901
Sole ProprietorYes
Enumeration DateNovember 14, 2006
Last NPPES UpdateSeptember 24, 2010
✔ NPI 1366514549 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CT · 017080
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
500 W PUTNAM AVE, Greenwich, CT 06830
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Other Identifiers 4

Medicare UPINB38426CT
Medicare ID-Type Unspecified100000046CT
Medicaid1170802CT
Other017080CT · Commercial

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CENTER FOR GASTROINTESTINAL MEDICINE OF FAIRFIELD & WESTCHESTER, P.C.
Internal Medicine (Gastroenterology)
500 W PUTNAM AVE, SUITE 100
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-2900
JESSICA DENNISON RN
Nurse Practitioner (Psychiatric/Mental Health)
500 W PUTNAM AVE
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-3316
TAYLOR PECORA-SAIPE RN, NP
Nurse Practitioner (Pediatrics)
500 W PUTNAM AVE
GREENWICH, CT 06830
Western Connecticut Planning Region (877) 925-3637
DR. ELISA MAMBRINO PH.D.
Psychologist
500 W PUTNAM AVE
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 536-5907
SCOTT JORDAN KRAMER M.D.
Internal Medicine (Gastroenterology)
500 W PUTNAM AVE, SUITE 100
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-2900
DR CHASE WHITLOW DDS PLLC
Dentist (General Practice)
500 W PUTNAM AVE
GREENWICH, CT 06830
Western Connecticut Planning Region (703) 674-6899
JENNIFER LEIGH BARRO MD
Internal Medicine (Gastroenterology)
500 W PUTNAM AVE, SUITE 100
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-2900
THOMAS MILUCCI DPT
Physical Therapist
500 W PUTNAM AVE
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-2882

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nelson Bonheim's NPI number?

The NPI number for Nelson Bonheim is 1366514549. It was assigned to this individual provider in the NPPES registry on November 14, 2006.

Where is Nelson Bonheim located?

Nelson Bonheim practices at 500 W Putnam Ave Suite 100, Greenwich, CT 06830. The listed phone number is (203) 863-2900.

What is Nelson Bonheim's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Nelson Bonheim was last updated on September 24, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.