GREATER BOSTON GASTROENTEROLOGY
NPI 1164498796
Internal Medicine - Gastroenterology in Framingham, MA

Active since February 24, 2006CLIA 22D0978112 · Accreditation
475 FRANKLIN ST, SUITE 110, FRAMINGHAM, MA 01702(508) 620-9200(508) 620-6483 Get Directions Write a Review

NPPES record last updated: May 15, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Greater Boston Gastroenterology NPPES

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

GREATER BOSTON GASTROENTEROLOGY (NPI 1164498796) is a healthcare organization registered as a gastroenterology in Framingham, Massachusetts and active in the NPI registry since February 2006. The organization holds an CLIA Accreditation certificate valid through January 28, 2027 and lists Alan Oliver, Ceo, as its authorized official.

NPPES Registry Identity

NPI1164498796
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameGREATER BOSTON GASTROENTEROLOGY
Location Address475 FRANKLIN ST, SUITE 110Framingham, MA 01702-6264
Mailing Address475 Franklin St, Suite 110Framingham, MA 01702-6264 · (508) 620-9200 · Fax (508) 620-6483
Fax(508) 620-6483
Organization SubpartNo
Authorized OfficialAlan OliverCeo · (786) 530-3820
Enumeration DateFebruary 24, 2006
Last NPPES UpdateMay 15, 2025
NPPES CertifiedMay 15, 2025
NPI 1164498796 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, Framingham, MA 01702

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Accreditation 22D0978112

Greater Boston Gastroenterology, LLC · Framingham, MA
Active · expires Jan 28, 2027
CLIA Number22D0978112
Laboratory TypePhysician Office
Certificate Effective DateJanuary 29, 2025
Certificate Expiration DateJanuary 28, 2027
Laboratory DirectorDr. Robert M. Najarian
Laboratory Phone(508) 620-9200
Laboratory LocationGreater Boston Gastroenterology, LLC475 Franklin Street Suite 110, Framingham, MA 01702
CLIA data matches this NPI record on: Address Name Phone
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

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.

Surgery
475 FRANKLIN ST, STE 203
FRAMINGHAM, MA 01702
Social Worker (Clinical)
475 FRANKLIN ST, SUITE 101
FRAMINGHAM, MA 01702
Psychologist (Clinical)
475 FRANKLIN ST, SUITE 210
FRAMINGHAM, MA 01702
Speech-Language Pathologist
475 FRANKLIN ST
FRAMINGHAM, MA 01702
Physical Medicine & Rehabilitation
475 FRANKLIN ST
FRAMINGHAM, MA 01702
Dermatology
475 FRANKLIN ST, SUITE 204
FRAMINGHAM, MA 01702
Internal Medicine (Gastroenterology)
475 FRANKLIN ST, SUITE 110
FRAMINGHAM, MA 01702
Community/Behavioral Health
475 FRANKLIN ST
FRAMINGHAM, MA 01702

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 Greater Boston Gastroenterology's NPI number?

The NPI number for Greater Boston Gastroenterology is 1164498796. It was assigned to this organization in the NPPES registry on February 24, 2006.

Where is Greater Boston Gastroenterology located?

Greater Boston Gastroenterology is located at 475 Franklin St Suite 110, Framingham, MA 01702. The listed phone number is (508) 620-9200.

What is Greater Boston Gastroenterology's specialty?

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

Does Greater Boston Gastroenterology hold a CLIA laboratory certificate?

Yes. A Certificate of Accreditation (number 22D0978112) is associated with this NPI, valid through January 28, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Greater Boston Gastroenterology accept?

Health plans from Anthem Blue Cross and Blue Shield list Greater Boston Gastroenterology as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Greater Boston Gastroenterology was last updated on May 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.