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INTERNAL MEDICINE ASSOCIATES INC
NPI 1376553990
Internal Medicine - Gastroenterology in Cranston, RI

Active since August 08, 2006
1150 RESERVOIR AVE, SUITE 201, CRANSTON, RI 02920(401) 943-1300(401) 946-8480 Get Directions Write a Review

NPPES record last updated: January 7, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Internal Medicine Associates Inc NPPES

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

INTERNAL MEDICINE ASSOCIATES INC (NPI 1376553990) is a healthcare organization registered as a gastroenterology in Cranston, Rhode Island and active in the NPI registry since August 2006. The organization lists Thomas Mcgreen, Vp, as its authorized official.

NPPES Registry Identity

NPI1376553990
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameINTERNAL MEDICINE ASSOCIATES INC
Location Address1150 RESERVOIR AVE, SUITE 201Cranston, RI 02920
Mailing Address1150 Reservoir Ave, Suite 201Cranston, RI 02920 · (401) 943-1300 · Fax (401) 946-8480
Phone(401) 943-1300
Fax(401) 946-8480
Organization SubpartNo
Authorized OfficialThomas McgreenVp · (401) 943-1300
Enumeration DateAugust 8, 2006
Last NPPES UpdateJanuary 7, 2020
✔ NPI 1376553990 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.
1150 RESERVOIR AVE, Cranston, RI 02920
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Other Identifiers 1

MedicaidIM02288RI

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Internal Medicine Associates Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

8

Medicare enrollment records show 8 clinicians reassign Medicare billing to Internal Medicine Associates Inc, which bills Medicare for the services they deliver. Of these, 7 practice at this address and 8 within 10 miles. They are listed nearest first.

Clinicians, nearest first (8)

Robert Bierwirth, M.D.
Gastroenterology
NPI 1053517565
1150 RESERVOIR AVE SUITE 201
Cranston, RI 02920
(401) 943-1300
✔ PECOS✔ Accepts MedicareSame address
Deirdre Couture, RNP
Nurse Practitioner
NPI 1871645341
1150 RESERVOIR AVE
Cranston, RI 02920
(401) 943-1300
✔ PECOS✔ Accepts MedicareSame address
Morris Elevado, M.D.
Gastroenterology
NPI 1417941105
1150 RESERVOIR AVE SUITE 201
Cranston, RI 02920
(401) 943-1300
✔ PECOS✔ Accepts MedicareSame address
Thomas Mcgreen, M.D.
Gastroenterology
NPI 1043205537
1150 RESERVOIR AVE SUITE 201
Cranston, RI 02920
(401) 943-1300
✔ PECOS✔ Accepts MedicareSame address
Raejean Sparrow, APRN
Nurse Practitioner
NPI 1447845037
1150 RESERVOIR AVE
Cranston, RI 02920
(401) 943-1300
✔ PECOS✔ Accepts MedicareSame address
Colin Woodard, DO
Gastroenterology
NPI 1760820591
1150 RESERVOIR AVE STE 201
Cranston, RI 02920
(401) 943-1300
✔ PECOS✔ Accepts MedicareSame address
Robert Wolfgang, D.O.
Gastroenterology
NPI 1871587550
1150 RESERVOIR AVE SUITE 201
Cranston, RI 02920
(401) 943-1300
✔ PECOS✔ Accepts MedicareSame address
Deirdre Smith, FNP
Nurse Practitioner
NPI 1326032004
1407 S COUNTY TRL STE 430A
East Greenwich, RI 02818
(401) 886-7910
✔ PECOS✔ Accepts Medicare8.0 mi

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 Internal Medicine Associates Inc's NPI number?

The NPI number for Internal Medicine Associates Inc is 1376553990. It was assigned to this organization in the NPPES registry on August 8, 2006.

Where is Internal Medicine Associates Inc located?

Internal Medicine Associates Inc is located at 1150 Reservoir Ave Suite 201, Cranston, RI 02920. The listed phone number is (401) 943-1300.

What is Internal Medicine Associates Inc's specialty?

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

Is Internal Medicine Associates Inc enrolled in Medicare?

Yes. Internal Medicine Associates Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Internal Medicine Associates Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 2 Medicare specialties reassign their Medicare billing to Internal Medicine Associates Inc. 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 (5) and Nurse Practitioner (3). Of these, 7 practice at this address and 8 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 Internal Medicine Associates Inc was last updated on January 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.