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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. VIVIAN CHAN MS, NP
NPI 1205899168
Nurse Practitioner - Gerontology in Menlo Park, CA

Active since April 10, 2006
795 WILLOW RD, MENLO PARK, CA 94025(650) 493-5000 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ms. Vivian Chan Ms, Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. VIVIAN CHAN MS, NP (NPI 1205899168) is an individual gerontology provider in Menlo Park, California, licensed in California (14381) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1205899168
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameMS. VIVIAN CHANCredential: MS, NP
Location Address795 WILLOW RDMenlo Park, CA 94025-2539
Mailing Address1265 Clark WayPalo Alto, CA 94304-2335 · (415) 297-8580
Phone(650) 493-5000
Sole ProprietorNo
Enumeration DateApril 10, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1205899168 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License✔ Licensed in CA · 14381
795 WILLOW RD, Menlo Park, CA 94025
Open in Google Maps ↗

Other Identifiers 2

Other14381CA · Np Furnishing Number
Other553431CA · Rn License

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. TIMOTHY J AVERY PSY.D.
Psychologist (Clinical)
795 WILLOW RD
MENLO PARK, CA 94025
San Mateo County (650) 493-5000
COUNTY OF SAN MATEO
Clinic/Center (Federally Qualified Health Center (FQHC))
795 WILLOW RD, BLDG 334
MENLO PARK, CA 94025
San Mateo County (650) 599-3890
MRS. MARGARET A GIVENS LPT
Physical Therapist
795 WILLOW RD, ROOM E-106, BLDG 334
MENLO PARK, CA 94025
San Mateo County (650) 493-5000
MS. STEPHANIE ALEJANDRA GUZMAN LOPEZ MSW, LCSW, PPSC
Social Worker (Clinical)
795 WILLOW RD
MENLO PARK, CA 94025
San Mateo County (650) 493-5000
ALBERT LY PHD
Psychologist
795 WILLOW RD
MENLO PARK, CA 94025
San Mateo County (650) 614-9997
PALO ALTO VAMC
Department of Veterans Affairs (VA) Pharmacy
795 WILLOW RD
MENLO PARK, CA 94025
San Mateo County (650) 849-1292
DR. ZAREENA JABEEN HUSSAIN MD
Radiology (Diagnostic Radiology)
795 WILLOW RD, VA NATIONAL TELERADIOLOGY PROGRAM
MENLO PARK, CA 94025
San Mateo County (612) 629-7186
MEGHANN FLYNN LAI
Social Worker (Clinical)
795 WILLOW RD
MENLO PARK, CA 94025
San Mateo County (516) 521-2828

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Vivian Chan's NPI number?

The NPI number for Vivian Chan is 1205899168. It was assigned to this individual provider in the NPPES registry on April 10, 2006.

Where is Vivian Chan located?

Vivian Chan practices at 795 Willow Rd, Menlo Park, CA 94025. The listed phone number is (650) 493-5000.

What is Vivian Chan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

When was this NPI record last updated?

The NPPES record for Vivian Chan was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.