Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Jiren Tan, MD

Anesthesiology Physician in Carmichael, CA · enumerated 2006.

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

National Provider Identifier

1538102355

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Registry record

Entity type Individual (Type 1)

Name Mr. Jiren Tan

Credential MD

Sex Male

Practice address 6501 Coyle Ave, Carmichael, CA, 95608

Phone (916) 537-5000

Fax (916) 851-2884

Enumeration date Jun 13, 2006

Last updated in NPPES Mar 15, 2012

Taxonomy & licenses

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License A69133 (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
00A691330	Other	CA	BS OF CA
00A691330	Medicaid	CA	-

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

Is NPI 1538102355 active?

Yes, as of the latest NPPES snapshot, NPI 1538102355 is active (record last updated 2012-03-15).

How do I verify Jiren Tan's NPI record?

Cross-check NPI 1538102355 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-03-15.