City & County of San Francisco
NPI 1598891574 · Primary Care Clinic/Center · San Francisco, CA
City & County of San Francisco is a Primary Care Clinic/Center organization in San Francisco, CA (NPI 1598891574).
Provider details
- NPI number
- 1598891574
- Entity type
- Organization
- Primary specialty
- Primary Care Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Timothy Arnold, Deputy Director, Pfs(415) 759-3351
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Other name
- Health Center #4
- Other name
- Health Center #4
Registry dates
- Enumerated
- 2007-02-26
- Last updated
- 2025-07-02
- Certified
- 2025-07-02
Frequently asked questions
- What is City & County of San Francisco's NPI number?
- City & County of San Francisco's National Provider Identifier (NPI) is 1598891574, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is City & County of San Francisco?
- City & County of San Francisco is classified in the NPPES registry as Primary Care Clinic/Center (Ambulatory Health Care Facilities).
- Where is City & County of San Francisco located?
- City & County of San Francisco's practice location on file with NPPES is 1490 Mason St, San Francisco, CA 94133-4222.
- What is City & County of San Francisco's phone number?
- The practice phone number listed in the NPPES registry for City & County of San Francisco is (415) 705-8500.
- Who is the authorized official for City & County of San Francisco?
- The authorized official listed on City & County of San Francisco's NPPES record is Timothy Arnold, Deputy Director, Pfs. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is City & County of San Francisco's NPI active?
- Yes — City & County of San Francisco's NPI (1598891574) is active in the NPPES registry as of the last update on 2025-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.