Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

RONALD S GREEN MD
NPI 1003873571
Internal Medicine - Gastroenterology in Bristol, CT

Q: What is Ronald Green's NPI number?

The NPI number for Ronald Green is 1003873571. It was assigned to this individual provider in the NPPES registry on April 28, 2006.

Q: What is Ronald Green's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Ronald Green was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.

Active since April 28, 2006

25 NEWELL RD, SUITE E-36, BRISTOL, CT 06010(860) 583-9252(860) 585-9848 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Ronald S Green Md NPPES

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

RONALD S GREEN MD (NPI 1003873571) is an individual gastroenterology provider in Bristol, Connecticut, licensed in Connecticut (017324) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1003873571

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameRONALD S GREENCredential: MD

Location Address25 NEWELL RD, SUITE E-36Bristol, CT 06010-5100

Mailing Address25 Newell Rd, Suite E-36Bristol, CT 06010-5100 · (860) 583-9252 · Fax (860) 585-9848

Phone(860) 583-9252

Fax(860) 585-9848

Sole ProprietorNo

Enumeration DateApril 28, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1003873571 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 · 017324

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.

25 NEWELL RD, Bristol, CT 06010

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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.

RAINER WOLF BAGDASARIAN MD

Surgery

25 NEWELL RD, SUITE D28
BRISTOL, CT 06010

Naugatuck Valley Planning Region (860) 583-2003

DANIEL NORMAN SMILEY MD

Internal Medicine (Gastroenterology)

25 NEWELL RD, SUITE E-36
BRISTOL, CT 06010

Naugatuck Valley Planning Region (860) 583-9252

MICHAEL STEPHEN PTASZYNSKI MD

Internal Medicine (Pulmonary Disease)

25 NEWELL RD, #D-25
BRISTOL, CT 06010

Naugatuck Valley Planning Region (860) 314-6020

DR. ROBERT C DEBIASE MD

Internal Medicine (Cardiovascular Disease)

25 NEWELL RD, SUITE D24
BRISTOL, CT 06010

Naugatuck Valley Planning Region (860) 582-3235

CONNECTICUT ORTHOPAEDIC CARE, LLC

Orthopaedic Surgery

25 NEWELL RD
BRISTOL, CT 06010

Naugatuck Valley Planning Region (860) 585-3681

DR. JOANNA E SAMPSON M.D.

Internal Medicine (Gastroenterology)

25 NEWELL RD, SUITE E-36
BRISTOL, CT 06010

Naugatuck Valley Planning Region (860) 583-9252

ANASTASIA MARIA STERGOS RD, CDN

Dietitian, Registered

25 NEWELL RD
BRISTOL, CT 06010

Naugatuck Valley Planning Region (860) 845-8367

SHWETA UPADHYAY

Internal Medicine (Pulmonary Disease)

25 NEWELL RD, D-24
BRISTOL, CT 06010

Naugatuck Valley Planning Region (860) 314-6020

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 Ronald Green's NPI number?

The NPI number for Ronald Green is 1003873571. It was assigned to this individual provider in the NPPES registry on April 28, 2006.

Where is Ronald Green located?

Ronald Green practices at 25 Newell Rd Suite E-36, Bristol, CT 06010. The listed phone number is (860) 583-9252.

What is Ronald Green'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 Ronald Green was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.