Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Alan Epstein, M.D.

Gastroenterology Physician in Providence, RI · enumerated 2006.

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

National Provider Identifier

1831157908

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Registry record

Entity type Individual (Type 1)

Name Dr. Alan Epstein

Credential M.D.

Sex Male

Practice address 50 Maude St, Providence, RI, 02908

Phone (401) 456-2309

Fax (401) 456-6701

Enumeration date May 1, 2006

Last updated in NPPES Jan 22, 2013

Taxonomy & licenses

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 07839 (RI) 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
9006587	Medicaid	RI	-

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 specialty is Alan Epstein?

Alan Epstein is registered in NPPES with the primary taxonomy of Gastroenterology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-01-22.