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Vivian Fan

Family Nurse Practitioner in San Marino, CA · enumerated 2024 · practices at Py Saddler, M.D., F.A.C.P., Inc.

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

National Provider Identifier

1972323558

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Registry record

Entity type Individual (Type 1)
Name Vivian Fan
Sex Female
Practice address San Marino, CA, 91108
Phone (626) 793-7922
Enumeration date Oct 16, 2024
Last updated in NPPES Oct 16, 2024

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

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 95030461 (CA) Primary

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

What is the NPI number for Vivian Fan?
The National Provider Identifier (NPI) for Vivian Fan is 1972323558, a Type 1 (individual) record in the CMS NPPES registry.
Where does Vivian Fan practice?
The practice location on file with NPPES is in San Marino, CA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-10-16.