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

Dr. Tinh T. Phan, DDS

Dentist in Hollister, CA · enumerated 2006.

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

National Provider Identifier

1639285190

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Registry record

Entity type Individual (Type 1)

Name Dr. Tinh T. Phan

Credential DDS

Sex Male

Practice address Hollister, CA, 95023

Phone (831) 637-3800

Enumeration date Aug 21, 2006

Last updated in NPPES Mar 18, 2013

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

Taxonomy & licenses

122300000X Dentist Dental Providers · License 51372 (CA) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

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 Tinh Phan's NPI record?

Cross-check NPI 1639285190 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1639285190 active?

Yes, as of the latest NPPES snapshot, NPI 1639285190 is active (record last updated 2013-03-18).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-03-18.