1. Home
  2. Directory
  3. Massachusetts
  4. Springfield
  5. Internal Medicine
  6. NPI Profile

RHEUMATOLOGY ASSOCIATES PC
NPI 1902896905
Internal Medicine - Rheumatology in Springfield, MA

Active since October 21, 2005
3377 MAIN ST, SPRINGFIELD, MA 01107(413) 734-5661(413) 734-8947 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Rheumatology Associates Pc NPPES

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

RHEUMATOLOGY ASSOCIATES PC (NPI 1902896905) is a healthcare organization registered as a rheumatology in Springfield, Massachusetts and active in the NPI registry since October 2005. The organization lists Martin J Poppo, President, as its authorized official.

NPPES Registry Identity

NPI1902896905
Entity TypeOrganization
Primary Taxonomy207RR0500X
Legal Business NameRHEUMATOLOGY ASSOCIATES PC
Location Address3377 MAIN STSpringfield, MA 01107-1111
Mailing Address3377 Main StSpringfield, MA 01107-1111 · (413) 734-5661 · Fax (413) 734-8947
Phone(413) 734-5661
Fax(413) 734-8947
Organization SubpartNo
Authorized OfficialMartin J PoppoPresident · (413) 734-5661
Enumeration DateOctober 21, 2005
Last NPPES UpdateAugust 22, 2020
✔ NPI 1902896905 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
3377 MAIN ST, Springfield, MA 01107
Open in Google Maps ↗

Other Identifiers 1

Medicaid9712178MA

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

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Rheumatology Associates Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Rheumatology Associates PC, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 5 within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Donald Griger, MD
Rheumatology
NPI 1205823515
3377 MAIN ST
Springfield, MA 01107
(413) 734-5661
✔ PECOS✔ Accepts MedicareSame address
Scott Halista, MD
Rheumatology
NPI 1548257496
3377 MAIN ST
Springfield, MA 01107
(413) 734-5661
✔ PECOS✔ Accepts MedicareSame address
Carter Tallman, MD
Rheumatology
NPI 1760479075
3377 MAIN ST
Springfield, MA 01107
(413) 734-5661
✔ PECOS✔ Accepts MedicareSame address
Antonio Valentin, MD
Rheumatology
NPI 1124238985
3377 MAIN ST
Springfield, MA 01107
(413) 734-5661
✔ PECOS✔ Accepts MedicareSame address
Dilpreet Singh, M.D.
Rheumatology
NPI 1487096996
10 HOSPITAL DR
Holyoke, MA 01040
(413) 534-2682
✔ PECOS✔ Accepts Medicare5.4 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 Rheumatology Associates PC's NPI number?

The NPI number for Rheumatology Associates PC is 1902896905. It was assigned to this organization in the NPPES registry on October 21, 2005.

Where is Rheumatology Associates PC located?

Rheumatology Associates PC is located at 3377 Main St, Springfield, MA 01107. The listed phone number is (413) 734-5661.

What is Rheumatology Associates PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Rheumatology Associates PC enrolled in Medicare?

Yes. Rheumatology Associates PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Rheumatology Associates PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians, all in Rheumatology, reassign their Medicare billing to Rheumatology Associates PC. 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. Of these, 4 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Rheumatology Associates PC accept?

Health plans from Anthem Blue Cross and Blue Shield list Rheumatology Associates PC 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 Rheumatology Associates PC was last updated on August 22, 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.