Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Richard J. Rubin, MD

Family Medicine Physician in Amherst, MA · enumerated 2006.

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

National Provider Identifier

1639147366

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Registry record

Entity type Individual (Type 1)

Name Richard J. Rubin

Credential MD

Sex Male

Practice address 150 Infirmary Way, Amherst, MA, 01003

Phone (413) 577-5000

Fax (413) 577-5488

Enumeration date Mar 9, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 47506 (MA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
710892	Other	MA	HARVARD PILGRIM
475061	Other	MA	CONNECTICARE
B10525901	Other	MA	CIGNA
J23147	Other	MA	BCBSMA
24823	Other	MA	HEALTH NEW ENGLAND
1130367	Other	MA	AETNA
187692	Other	MA	HEALTHSOURCE
410874	Other	MA	TUFTS

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 the NPI number for Richard Rubin?

The National Provider Identifier (NPI) for Richard Rubin is 1639147366, a Type 1 (individual) record in the CMS NPPES registry.

Where does Richard Rubin practice?

The practice location on file with NPPES is in Amherst, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.