MR. JOHN WALKER FNP
NPI 1992126643
Nurse Practitioner - Family in San Francisco, CA

Active since December 25, 2013
433 TURK ST, SAN FRANCISCO, CA 94102(415) 928-7800 Get Directions Write a Review

NPPES record last updated: July 2, 2014. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mr. John Walker Fnp NPPES

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

MR. JOHN WALKER FNP (NPI 1992126643) is an individual family provider in San Francisco, California, licensed in California (95000291) and active in the NPI registry since December 2013.

NPPES Registry Identity

NPI1992126643
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameMR. JOHN WALKERCredential: FNP
Location Address433 TURK STSan Francisco, CA 94102-3329
Mailing Address433 Turk StSan Francisco, CA 94102-3329 · (415) 928-7800
Sole ProprietorNo
Enumeration DateDecember 25, 2013
Last NPPES UpdateJuly 2, 2014
NPI 1992126643 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in CA · 95000291
433 TURK ST, San Francisco, CA 94102

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.

Counselor (Addiction (Substance Use Disorder))
433 TURK ST
SAN FRANCISCO, CA 94102
Psychologist (Addiction (Substance Use Disorder))
433 TURK ST
SAN FRANCISCO, CA 94102
Clinic/Center (Rehabilitation, Substance Use Disorder)
433 TURK ST
SAN FRANCISCO, CA 94102
Counselor (Addiction (Substance Use Disorder))
433 TURK ST
SAN FRANCISCO, CA 94102
Counselor (Addiction (Substance Use Disorder))
433 TURK ST
SAN FRANCISCO, CA 94102
Clinic/Center (Community Health)
433 TURK ST
SAN FRANCISCO, CA 94102
Clinic/Center (Methadone)
433 TURK ST
SAN FRANCISCO, CA 94102
Counselor
433 TURK ST
SAN FRANCISCO, CA 94102

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 John Walker's NPI number?

The NPI number for John Walker is 1992126643. It was assigned to this individual provider in the NPPES registry on December 25, 2013.

Where is John Walker located?

John Walker practices at 433 Turk St, San Francisco, CA 94102. The listed phone number is (415) 928-7800.

What is John Walker's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

When was this NPI record last updated?

The NPPES record for John Walker was last updated on July 2, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years 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.