Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Jeannie Tan, M.D.

Ophthalmology Physician in Daly City, CA · enumerated 2006.

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

National Provider Identifier

1457441412

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Registry record

Entity type Individual (Type 1)

Name Dr. Jeannie Tan

Credential M.D.

Sex Female

Practice address 395 Hickey Blvd, Daly City, CA, 94015

Phone (650) 301-5889

Fax (650) 301-5801

Enumeration date Oct 13, 2006

Last updated in NPPES Dec 22, 2021

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License A76539 (CA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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.

Read the full guide → Validate an NPI →

Frequently asked questions

How do I verify Jeannie Tan's NPI record?

Cross-check NPI 1457441412 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1457441412 active?

Yes, as of the latest NPPES snapshot, NPI 1457441412 is active (record last updated 2021-12-22).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-22.