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CITY & COUNTY OF SAN FRANCISCO
NPI 1477593259
Clinic/Center - Primary Care in San Francisco, CA

Active since June 08, 2006
1525 SILVER AVENUE, SAN FRANCISCO, CA 94110(415) 715-0310(415) 467-3320 Get Directions Write a Review

NPPES record last updated: July 1, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 1, 2025, Feb 16, 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 1477593259) is a healthcare organization registered as a primary care in San Francisco, California and active in the NPI registry since June 2006. The organization lists Timothy Arnold, Deputy Director, Pfs, as its authorized official.

NPPES Registry Identity

NPI1477593259
Entity TypeOrganization
Primary Taxonomy261QP2300X
Legal Business NameCITY & COUNTY OF SAN FRANCISCO
Location Address1525 SILVER AVENUESan Francisco, CA 94110
Mailing Address1001 Potrero Avenue, Building 10 Ward 14 Room 1405San Francisco, CA 94110 · (415) 206-8338 · Fax (206) 206-3837
Phone(415) 715-0310
Fax(415) 467-3320
Organization SubpartNo
Authorized OfficialTimothy ArnoldDeputy Director, Pfs · (415) 759-3351
Enumeration DateJune 8, 2006
Last NPPES UpdateJuly 1, 20252 updates tracked since enumeration
NPPES CertifiedJuly 1, 2025
✔ NPI 1477593259 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyClinic/Center · Primary CareAmbulatory Health Care Facilities
Taxonomy Code261QP2300X
Also ListedCase Manager/Care CoordinatorTaxonomy 171M00000X
Also ListedClinic/Center · Federally Qualified Health Center (FQHC)Taxonomy 261QF0400X
1525 SILVER AVENUE, San Francisco, CA 94110
Open in Google Maps ↗

Other Names 1

Other NameHealth Center #3

Other Identifiers 1

MedicaidFHC11737FCA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

City & County Of San Francisco is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

1,561

Medicare enrollment records show 1,561 clinicians reassign Medicare billing to City & County Of San Francisco, which bills Medicare for the services they deliver. Of these, 10 practice at this address and 1,187 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 58

Nurse Practitioner232
Internal Medicine192
Family Practice136
Psychiatry126
Clinical Social Worker71
Diagnostic Radiology71
Pediatric Medicine64
Ophthalmology54
50 other specialties615

Nearest to this location (20)

See all 1,561
Farid De La Ossa Arrieta
Clinical Social Worker
NPI 1275997405
1525 SILVER AVE
San Francisco, CA 94134
(415) 869-7977
✔ PECOS✔ Accepts MedicareSame address
Dale Hoang, MD
Psychiatry
NPI 1902463094
1525 SILVER AVE FL 2
San Francisco, CA 94134
(628) 754-8100
✔ PECOS✔ Accepts MedicareSame address
Harini Jaganathan, MD
Family Practice
NPI 1306422886
1525 SILVER AVE
San Francisco, CA 94134
(415) 657-1700
✔ PECOS✔ Accepts MedicareSame address
Annelise Goldberg, MD
Family Practice
NPI 1245367945
1525 SILVER AVE SILVER AVENUE FAMILY HEALTH CENTER
San Francisco, CA 94134
(415) 657-1700
✔ PECOS✔ Accepts MedicareSame address
Marianna Kong, M.D.
Family Practice
NPI 1871858399
1525 SILVER AVE
San Francisco, CA 94134
(415) 657-1751
✔ PECOS✔ Accepts MedicareSame address
Irene Ly, MD
Family Practice
NPI 1649704487
1525 SILVER AVE
San Francisco, CA 94134
(415) 657-1700
✔ PECOS✔ Accepts MedicareSame address
Michaelo Rosso-Balcazar, LMFT #106494
Marriage and Family Therapist
NPI 1275769598
1525 SILVER AVE FL 2
San Francisco, CA 94134
(805) 886-7401
✔ PECOS✔ Accepts MedicareSame address
Jonathan Barash, MD
Family Practice
NPI 1417074881
1525 SILVER AVE SILVER AVENUE FAMILY HEALTH CENTER
San Francisco, CA 94134
(415) 657-1776
✔ PECOS✔ Accepts MedicareSame address
Yuting Wong
Nurse Practitioner
NPI 1700121233
1525 SILVER AVE
San Francisco, CA 94134
(415) 657-1700
✔ PECOS✔ Accepts MedicareSame address
Naomi Wortis, MD
Family Practice
NPI 1346377330
1525 SILVER AVE SILVER AVENUE FAMILY HEALTH CENTER
San Francisco, CA 94134
(415) 657-1749
✔ PECOSSame address
Pierre-Alain Cohen, MD
Diagnostic Radiology
NPI 1508810557
1001 PORTERO AVENUE RM 1X55
San Francisco, CA 94110
(415) 206-5871
✔ PECOS✔ Accepts Medicare0.7 mi
Rafa Ifthikhar
Obstetrics/Gynecology
NPI 1801475322
1001 PORTRERO AVE
San Francisco, CA 94110
(628) 206-8358
✔ PECOS✔ Accepts Medicare0.7 mi
Elodie Lang
Anesthesiology
NPI 1265310130
1001 PORTRERO AVE
San Francisco, CA 94110
(415) 325-9875
✔ PECOS✔ Accepts Medicare0.7 mi
Ronnishia Johnson-Hasan, LCSW
Clinical Social Worker
NPI 1043694136
1728 BANCROFT AVE
San Francisco, CA 94124
(415) 822-1707
✔ PECOS✔ Accepts Medicare0.8 mi
Jazmin Barrera, LMFT
Marriage and Family Therapist
NPI 1538424197
2403 KEITH STREET
Sf, CA 94134
(628) 217-7000
✔ PECOS0.9 mi
Lisa Jones
Clinical Social Worker
NPI 1053665430
2403 KEITH ST
San Francisco, CA 94124
(415) 671-7000
✔ PECOS✔ Accepts Medicare0.9 mi
Jorge Ramirez, LMFT
Marriage and Family Therapist
NPI 1083296719
2401 KEITH ST
San Francisco, CA 94124
(628) 754-8000
✔ PECOS0.9 mi
Ashley Shatola
Psychiatry
NPI 1134748361
2401 KEITH ST, SAN FRANCISCO, CA 94124
San Francisco, CA 94124
(628) 754-8100
✔ PECOS0.9 mi
Keith Seidel, MD
Family Practice
NPI 1861511404
2401 KEITH ST
San Francisco, CA 94124
(415) 861-7000
✔ PECOS✔ Accepts Medicare0.9 mi
Robert Franklin, MD
Family Practice
NPI 1801975933
2401 KEITH ST
San Francisco, CA 94124
(415) 671-7000
✔ PECOS✔ Accepts Medicare0.9 mi
See all 1,561 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 1477593259. It was assigned to this organization in the NPPES registry on June 8, 2006. The provider is also known as Health Center #3.

Where is City & County Of San Francisco located?

City & County Of San Francisco is located at 1525 Silver Avenue, San Francisco, CA 94110. The listed phone number is (415) 715-0310.

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.

Is City & County Of San Francisco enrolled in Medicare?

Yes. City & County Of San Francisco is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through City & County Of San Francisco?

According to the CMS Revalidation Reassignment List (October 2026 release), 1,561 clinicians in 58 Medicare specialties reassign their Medicare billing to City & County Of San Francisco. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (232), Internal Medicine (192) and Family Practice (136). Of these, 10 practice at this address and 1,187 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for City & County Of San Francisco was last updated on July 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.