GBGASTRO LLC
NPI 1033693023
Internal Medicine - Gastroenterology in Framingham, MA

Q: What is Gbgastro LLC's NPI number?

The NPI number for Gbgastro LLC is 1033693023. It was assigned to this organization in the NPPES registry on September 17, 2018.

Q: What is Gbgastro LLC'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 Gbgastro LLC was last updated on September 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since September 17, 2018

475 FRANKLIN ST STE 110, FRAMINGHAM, MA 01702(508) 620-9200(508) 620-6483 Get Directions Write a Review

NPPES record last updated: September 17, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Gbgastro Llc NPPES

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

GBGASTRO LLC (NPI 1033693023) is a healthcare organization registered as a gastroenterology in Framingham, Massachusetts and active in the NPI registry since September 2018. The organization lists Steven Neil Fine, President, as its authorized official.

NPPES Registry Identity

NPI1033693023

Entity TypeOrganization

Primary Taxonomy207RG0100X

Legal Business NameGBGASTRO LLC

Location Address475 FRANKLIN ST STE 110Framingham, MA 01702-6265

Mailing Address475 Franklin St Ste 110Framingham, MA 01702-6265 · (508) 620-9200 · Fax (508) 620-6483

Phone(508) 620-9200

Fax(508) 620-6483

Organization SubpartYesParent: Greater Boston Gastroenterology

Authorized OfficialSteven Neil FinePresident · (508) 620-9200

Enumeration DateSeptember 17, 2018

✔ NPI 1033693023 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

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.

475 FRANKLIN ST STE 110, Framingham, MA 01702

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gbgastro Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 40 clinicians reassign Medicare billing to Gbgastro LLC, which bills Medicare for the services they deliver. Of these, 10 practice at this address and 20 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 5

Gastroenterology12

Diagnostic Radiology10

Nurse Practitioner9

Pathology8

Interventional Radiology1

Nearest to this location (20)

See all 40

Lynne Ahn, MD

Gastroenterology

NPI 1144269143

475 FRANKLIN ST STE 110
Framingham, MA 01702

(508) 620-9200

✔ PECOS✔ Accepts MedicareSame address

George Dickstein, M.D.

Gastroenterology

NPI 1720054356

475 FRANKLIN ST SUITE 110
Framingham, MA 01702

(508) 620-9200

✔ PECOS✔ Accepts MedicareSame address

Steven Fine, M.D.

Gastroenterology

NPI 1164498457

475 FRANKLIN ST SUITE 110
Framingham, MA 01702

(508) 620-9200

✔ PECOS✔ Accepts MedicareSame address

Anna Malouf, NP

Nurse Practitioner

NPI 1699115865

475 FRANKLIN ST SUITE 110
Framingham, MA 01702

(508) 620-9200

✔ PECOS✔ Accepts MedicareSame address

Andres Mogollon, M.D.

Gastroenterology

NPI 1659595429

475 FRANKLIN ST SUITE 110
Framingham, MA 01702

(508) 620-9200

✔ PECOS✔ Accepts MedicareSame address

Samantha Newman, NP

Nurse Practitioner

NPI 1710601851

475 FRANKLIN ST STE 110
Framingham, MA 01702

(508) 620-9200

✔ PECOSSame address

Jaime Oviedo, M.D.

Gastroenterology

NPI 1164409421

475 FRANKLIN STREET SUITE 110
Framingham, MA 01702

(508) 620-9200

✔ PECOS✔ Accepts MedicareSame address

Heidi Peters, N.P.

Nurse Practitioner

NPI 1326014614

475 FRANKLIN ST SUITE 110
Framingham, MA 01702

(508) 620-9200

✔ PECOSSame address

Greta Taitelbaum, MD CM FRCP(C) FACG

Gastroenterology

NPI 1649246273

475 FRANKLIN ST SUITE 110
Framingham, MA 01702

(508) 620-9200

✔ PECOS✔ Accepts MedicareSame address

Samantha Falkowski

Nurse Practitioner

NPI 1659942902

475 FRANKLIN ST STE 110
Framingham, MA 01702

(508) 620-9200

✔ PECOS✔ Accepts MedicareSame address

Erica Gupta, M.D.

Diagnostic Radiology

NPI 1508029026

571 UNION AVE STE 102
Framingham, MA 01702

(508) 848-2164

✔ PECOS✔ Accepts Medicare0.4 mi

Anatoly Sukharsky, M.D.

Diagnostic Radiology

NPI 1518093194

571 UNION AVE
Framingham, MA 01702

(508) 848-2164

✔ PECOS✔ Accepts Medicare0.4 mi

Michelle Swire, M.D.

Diagnostic Radiology

NPI 1417915471

571 UNION AVE STE 101
Framingham, MA 01702

(508) 848-2164

✔ PECOS✔ Accepts Medicare0.4 mi

Amogh Srivastava, MD

Diagnostic Radiology

NPI 1386873008

115 LINCOLN ST
Framingham, MA 01702

(508) 383-1300

✔ PECOS✔ Accepts Medicare0.6 mi

Saint George Aufranc, MD

Pathology

NPI 1740244516

115 LINCOLN ST METROWEST MEDICAL CENTER
Framingham, MA 01702

(508) 383-1091

✔ PECOS✔ Accepts Medicare0.6 mi

Justin Hilson, MD

Pathology

NPI 1609035880

115 LINCOLN ST DEPARTMENT OF PATHOLOGY
Framingham, MA 01702

(508) 383-1090

✔ PECOS✔ Accepts Medicare0.6 mi

Robert Najarian, M.D.

Pathology

NPI 1033367966

115 LINCOLN ST
Framingham, MA 01702

(508) 580-1670

✔ PECOS✔ Accepts Medicare0.6 mi

Xunli Wang

Nurse Practitioner

NPI 1932026382

1 CONSTITUTION DR
Southborough, MA 01772

(402) 906-4828

✔ PECOS4.3 mi

Christine Abraham, NP

Nurse Practitioner

NPI 1215774658

24 NEWTON ST
Southborough, MA 01772

(508) 460-3250

✔ PECOS✔ Accepts Medicare5.2 mi

Neil Grossman, MD

Diagnostic Radiology

NPI 1568414977

366 WASHINGTON ST
Wellesley, MA 02481

(781) 239-0033

✔ PECOS✔ Accepts Medicare7.9 mi

See all 40 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Gbgastro LLC's NPI number?

The NPI number for Gbgastro LLC is 1033693023. It was assigned to this organization in the NPPES registry on September 17, 2018.

Where is Gbgastro LLC located?

Gbgastro LLC is located at 475 Franklin St Ste 110, Framingham, MA 01702. The listed phone number is (508) 620-9200.

What is Gbgastro LLC's specialty?

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

Is Gbgastro LLC enrolled in Medicare?

Yes. Gbgastro LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gbgastro LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 40 clinicians in 5 Medicare specialties reassign their Medicare billing to Gbgastro LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Gastroenterology (12), Diagnostic Radiology (10) and Nurse Practitioner (9). Of these, 10 practice at this address and 20 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Gbgastro LLC was last updated on September 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.