Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Donald S. Furman, MD

Gastroenterology Physician in Cerritos, CA · enumerated 2007.

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

National Provider Identifier

1023208154

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Registry record

Entity type Individual (Type 1)

Name Donald S. Furman

Credential MD

Sex Male

Practice address Cerritos, CA, 90703

Phone (562) 741-4461

Fax (562) 741-4413

Enumeration date Jul 25, 2007

Last updated in NPPES Jul 25, 2007

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License G44208 (CA) 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
G44208	Other	CA	MEDICAL LICENSE

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.

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Frequently asked questions

How do I verify Donald Furman's NPI record?

Cross-check NPI 1023208154 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1023208154 active?

Yes, as of the latest NPPES snapshot, NPI 1023208154 is active (record last updated 2007-07-25).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-25.