WESTSIDE COMMUNITY SERVICES
NPI 1437215233
Community/Behavioral Health in San Francisco, CA

Q: What is Westside Community Mental Health Center's specialty?

The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.

Active since December 28, 2006

245 11TH ST, SAN FRANCISCO, CA 94103(415) 355-0311(415) 355-0349 Get Directions Write a Review

NPPES record last updated: May 26, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Westside Community Services NPPES

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

WESTSIDE COMMUNITY SERVICES (NPI 1437215233) is a healthcare organization registered as a community/behavioral health in San Francisco, California and active in the NPI registry since December 2006. The organization lists Mary Ann Jones, Chief Executive Officer, as its authorized official.

NPPES Registry Identity

NPI1437215233

Entity TypeOrganization

Primary Taxonomy251S00000X

Legal Business NameWESTSIDE COMMUNITY MENTAL HEALTH CENTER

Location Address245 11TH STSan Francisco, CA 94103-3732

Mailing Address1153 Oak StSan Francisco, CA 94117-2216 · (415) 431-9000 · Fax (415) 431-1813

Phone(415) 355-0311

Fax(415) 355-0349

Organization SubpartYesParent: Westside Community Mental Health Center, Inc.

Authorized OfficialMary Ann JonesChief Executive Officer · (415) 431-9000

Enumeration DateDecember 28, 2006

Last NPPES UpdateMay 26, 2021

NPPES CertifiedMay 26, 2021

✔ NPI 1437215233 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCommunity/Behavioral HealthAgencies

Taxonomy Code251S00000X

Definition

A private or public agency usually under local government jurisdiction, responsible for assuring the delivery of community based mental health, intellectual disabilities, substance abuse and/or behavioral health services to individuals with those disabilities. Services may range from companion care, respite, transportation, community integration, crisis intervention and stabilization, supported employment, day support, prevocational services, residential support, therapeutic and supportive consultation, environmental modifications, intensive in-home therapy and day treatment, in addition to traditional mental health and behavioral treatment.

245 11TH ST, San Francisco, CA 94103

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Other Names 1

Doing Business AsWestside Community Services

Other Identifiers 1

Medicaid8976CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Westside Community Services is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by November 30, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date

StateCaliforniaEnrollment IDO20090826000770Non-DME Part B · Clinic/Group PracticeDue dateNovember 30, 2026

Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 15 clinicians reassign Medicare billing to Westside Community Services, which bills Medicare for the services they deliver. Of these, 7 practice at this address and 11 within 10 miles. They are listed nearest first.