Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Contemporary Rheumatology Specialists, PC

Specialist in Pittsfield, MA · enumerated 2006 · authorized official Edmund Hornstein, President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1417937772

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Registry record

Entity type Organization (Type 2)

Legal business name Contemporary Rheumatology Specialists, PC

Practice address 777 North St, Suite 201a, Pittsfield, MA, 01201

Phone (413) 499-8551

Fax (413) 442-9161

Enumeration date Jan 20, 2006

Last updated in NPPES Oct 22, 2007

Taxonomy & classification

174400000X Specialist Other Service Providers Primary

Authorized official

Name Edmund Hornstein

Title President

Phone (413) 499-8551

Other identifiers

Identifier	Type	State	Issuer
02101935	Medicaid	NY	-
7790	Other	NY	CDPHP
687751	Other	MA	TUFTS HEALTH PLAN
9702521	Medicaid	MA	-
M17616	Other	MA	BCBSMA

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Contemporary Rheumatology Specialists, PC?

Contemporary Rheumatology Specialists, PC is registered in NPPES as a Specialist (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-10-22.