Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Frank Robert Lin, MD, PHD

Otolaryngology Physician in Stanford, CA · enumerated 2007.

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

National Provider Identifier

1619015229

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Registry record

Entity type Individual (Type 1)

Name Frank Robert Lin

Credential MD, PHD

Sex Male

Practice address 300 Pasteur Dr, Stanford, CA, 94305

Phone (650) 723-4000

Enumeration date Feb 3, 2007

Last updated in NPPES Feb 18, 2026

Taxonomy & licenses

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License C205669 (CA) Primary

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License D69781 (MD) Secondary

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
027659600	Medicaid	MD	-

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 1619015229 active?

Yes, as of the latest NPPES snapshot, NPI 1619015229 is active (record last updated 2026-02-18).

How do I verify Frank Lin's NPI record?

Cross-check NPI 1619015229 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 2026-02-18.