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CITY & COUNTY OF SAN FRANCISCO
NPI 1598891574
Clinic/Center - Primary Care in San Francisco, CA

Active since February 26, 2007
1490 MASON ST, SAN FRANCISCO, CA 94133(415) 705-8500(415) 705-8578 Get Directions Write a Review

NPPES record last updated: July 2, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 2, 2025, Feb 17, 2021 (2 updates tracked since 2021).

About City & County Of San Francisco NPPES

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

CITY & COUNTY OF SAN FRANCISCO (NPI 1598891574) is a healthcare organization registered as a primary care in San Francisco, California and active in the NPI registry since February 2007. The organization lists Timothy Arnold, Deputy Director, Pfs, as its authorized official.

NPPES Registry Identity

NPI1598891574
Entity TypeOrganization
Primary Taxonomy261QP2300X
Legal Business NameCITY & COUNTY OF SAN FRANCISCO
Location Address1490 MASON STSan Francisco, CA 94133-4222
Mailing Address1001 Potrero Ave Bldg 10San Francisco, CA 94110-3518 · (415) 206-8338 · Fax (415) 206-3837
Phone(415) 705-8500
Fax(415) 705-8578
Organization SubpartNo
Authorized OfficialTimothy ArnoldDeputy Director, Pfs · (415) 759-3351
Enumeration DateFebruary 26, 2007
Last NPPES UpdateJuly 2, 20252 updates tracked since enumeration
NPPES CertifiedJuly 2, 2025
✔ NPI 1598891574 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Primary CareAmbulatory Health Care Facilities
Taxonomy Code261QP2300X
1490 MASON ST, San Francisco, CA 94133
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Other Names 1

Other NameHealth Center #4

Other Identifiers 1

MedicaidBCP11739FCA

Other Providers at the Same Location NPPES 19

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

MS. BETTY C KING MSN-FNP
Nurse Practitioner (Family)
1490 MASON ST
SAN FRANCISCO, CA 94133
San Francisco County (415) 364-7600
CITY & COUNTY OF SAN FRANCISCO
Clinic/Center (Primary Care)
1490 MASON ST
SAN FRANCISCO, CA 94133
San Francisco County (415) 705-8500
DR. PETER NG MD
Pediatrics
1490 MASON ST, CHINATOWN PUBLIC HEALTH CENTER
SAN FRANCISCO, CA 94133
San Francisco County (415) 364-7600
SHIRLEY LI NP
Nurse Practitioner (Family)
1490 MASON ST
SAN FRANCISCO, CA 94133
San Francisco County (415) 364-7600
CHINATOWN PUBLIC HEALTH CENTER
Public Health or Welfare
1490 MASON ST, 2ND FLOOR
SAN FRANCISCO, CA 94133
San Francisco County (415) 364-7600
MS. JANICE NG
Marriage & Family Therapist
1490 MASON ST
SAN FRANCISCO, CA 94133
San Francisco County (415) 364-7600
DR. ALBERT YU MD
Family Medicine
1490 MASON ST
SAN FRANCISCO, CA 94133
San Francisco County (415) 364-7600
LISA VUONG
Social Worker (Clinical)
1490 MASON ST
SAN FRANCISCO, CA 94133
San Francisco County (415) 364-7630

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 City & County Of San Francisco's NPI number?

The NPI number for City & County Of San Francisco is 1598891574. It was assigned to this organization in the NPPES registry on February 26, 2007. The provider is also known as Health Center #4.

Where is City & County Of San Francisco located?

City & County Of San Francisco is located at 1490 Mason St, San Francisco, CA 94133. The listed phone number is (415) 705-8500.

What is City & County Of San Francisco's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.

When was this NPI record last updated?

The NPPES record for City & County Of San Francisco was last updated on July 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.