BLACKSTONE VALLEY CENTER FOR INTERNAL MEDICINE, INC
NPI 1659338655
Clinic/Center - Primary Care in Woonsocket, RI

Q: What is Blackstone Valley Center For Internal Medicine, Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.

Active since April 26, 2006

191 SOCIAL ST, SUITE 840, WOONSOCKET, RI 02895(401) 762-2535(401) 762-2858 Get Directions Write a Review

NPPES record last updated: August 1, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Blackstone Valley Center For Internal Medicine, Inc NPPES

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

BLACKSTONE VALLEY CENTER FOR INTERNAL MEDICINE, INC (NPI 1659338655) is a healthcare organization registered as a primary care in Woonsocket, Rhode Island and active in the NPI registry since April 2006. The organization lists Greigstone Montgomery Yearwood, President/physician, as its authorized official.

NPPES Registry Identity

NPI1659338655

Entity TypeOrganization

Primary Taxonomy261QP2300X

Legal Business NameBLACKSTONE VALLEY CENTER FOR INTERNAL MEDICINE, INC

Location Address191 SOCIAL ST, SUITE 840Woonsocket, RI 02895-3240

Mailing Address191 Social St, Suite 840Woonsocket, RI 02895-3240 · (401) 762-2535 · Fax (401) 762-2858

Phone(401) 762-2535

Fax(401) 762-2858

Organization SubpartNo

Authorized OfficialGreigstone Montgomery YearwoodPresident/physician · (401) 762-2535

Enumeration DateApril 26, 2006

Last NPPES UpdateAugust 1, 2007

✔ NPI 1659338655 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Primary CareAmbulatory Health Care Facilities

Taxonomy Code261QP2300X

191 SOCIAL ST, Woonsocket, RI 02895

Open in Google Maps ↗

Other Identifiers 1

Medicaid9020093RI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Blackstone Valley Center For Internal Medicine, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Blackstone Valley Center For Internal Medicine, Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Greigstone Yearwood, M.D.

Internal Medicine

NPI 1689631640

191 SOCIAL ST STE 840
Woonsocket, RI 02895

(401) 762-2535

✔ PECOS✔ Accepts MedicareSame address

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 Blackstone Valley Center For Internal Medicine, Inc's NPI number?

The NPI number for Blackstone Valley Center For Internal Medicine, Inc is 1659338655. It was assigned to this organization in the NPPES registry on April 26, 2006.

Where is Blackstone Valley Center For Internal Medicine, Inc located?

Blackstone Valley Center For Internal Medicine, Inc is located at 191 Social St Suite 840, Woonsocket, RI 02895. The listed phone number is (401) 762-2535.

What is Blackstone Valley Center For Internal Medicine, Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.

Is Blackstone Valley Center For Internal Medicine, Inc enrolled in Medicare?

Yes. Blackstone Valley Center For Internal Medicine, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Blackstone Valley Center For Internal Medicine, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Blackstone Valley Center For Internal Medicine, 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Blackstone Valley Center For Internal Medicine, Inc was last updated on August 1, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.