WESTSIDE METHADONE CLINIC
NPI 1992861694
Community/Behavioral Health in San Francisco, CA

Active since December 28, 2006
1301 PIERCE ST, SAN FRANCISCO, CA 94115(415) 563-8200(415) 563-5985 Get Directions Write a Review

NPPES record last updated: August 31, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Westside Methadone Clinic NPPES

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

WESTSIDE METHADONE CLINIC (NPI 1992861694) 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

NPI1992861694
Entity TypeOrganization
Primary Taxonomy251S00000X
Legal Business NameWESTSIDE COMMUNITY MENTAL HEALTH CENTER
Location Address1301 PIERCE STSan Francisco, CA 94115-4005
Mailing Address1153 Oak StSan Francisco, CA 94117-2216 · (415) 431-9000 · Fax (415) 431-1813
Fax(415) 563-5985
Organization SubpartYes
Authorized OfficialMary Ann JonesChief Executive Officer · (415) 431-9000
Enumeration DateDecember 28, 2006
Last NPPES UpdateAugust 31, 2021
NPPES CertifiedAugust 31, 2021
✔ NPI 1992861694 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.
1301 PIERCE ST, San Francisco, CA 94115

Other Names 1

Other NameWestside Methadone Clinic

Other Identifiers 1

Medicaid3887CA

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 Methadone Clinic 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

15

Medicare enrollment records show 15 clinicians reassign Medicare billing to Westside Methadone Clinic, which bills Medicare for the services they deliver. Of these, 11 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (15)

Nurse Practitioner
NPI 1821461286
1600 DIVISADERO ST
San Francisco, CA 94143
(415) 476-7730
✔ PECOS0.3 mi
Nurse Practitioner
NPI 1962834150
1563 MISSION ST
San Francisco, CA 94103
(415) 846-7259
✔ PECOS✔ Accepts Medicare1.2 mi
Nurse Practitioner
NPI 1013188333
245 11TH ST
San Francisco, CA 94103
(415) 353-0115
✔ PECOS1.3 mi
Nurse Practitioner
NPI 1679242481
245 11TH ST
San Francisco, CA 94103
(415) 355-0311
✔ PECOS1.3 mi
Nurse Practitioner
NPI 1609473735
245 11TH ST
San Francisco, CA 94103
(415) 431-9000
✔ PECOS✔ Accepts Medicare1.3 mi
Nurse Practitioner
NPI 1902603574
245 11TH ST
San Francisco, CA 94103
(415) 355-0311
✔ PECOS1.3 mi
Nurse Practitioner
NPI 1669989752
245 11TH ST
San Francisco, CA 94103
(415) 355-0311
✔ PECOS1.3 mi
Nurse Practitioner
NPI 1740659242
245 11TH ST
San Francisco, CA 94103
(415) 473-6769
✔ PECOS1.3 mi
Nurse Practitioner
NPI 1831971936
245 11TH ST
San Francisco, CA 94103
(415) 355-0311
✔ PECOS1.3 mi
Nurse Practitioner
NPI 1295507515
52 DORE ST
San Francisco, CA 94103
(415) 861-0828
✔ PECOS1.4 mi
Nurse Practitioner
NPI 1306258314
350 SANSOME ST STE 630
San Francisco, CA 94104
(925) 282-1778
✔ PECOS✔ Accepts Medicare2.1 mi
Nurse Practitioner
NPI 1821740010
1720 EL CAMINO REAL STE 140
Burlingame, CA 94010
(925) 282-1778
✔ PECOS13 mi
Nurse Practitioner
NPI 1801224217
10700 MACARTHUR BLVD SUITE 14B
Oakland, CA 94605
(510) 563-4300
✔ PECOS✔ Accepts Medicare16 mi
Nurse Practitioner
NPI 1902327075
999 BAKER WAY STE 150
San Mateo, CA 94404
(855) 501-1004
✔ PECOS17 mi
Nurse Practitioner
NPI 1255460952
4633 OLD IRONSIDES DR STE 304
Santa Clara, CA 95054
(323) 205-7088
✔ PECOS37 mi

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

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Take-home supply of methadone; up to 7 additional day supply (provision of the services by a medicare-enrolled opioid treatment program); list separately in addition to code for primary procedure G2078
This service provides an additional 7-day supply of methadone, a medication used to treat opioid addiction, for patients to take at home. It's provided by a Medicare-enrolled opioid treatment program. This service is billed separately from the main treatment procedure.
1,470 services37 patients
Medication assisted treatment, methadone; weekly bundle including dispensing and/or administration, substance use counseling, individual and group therapy, and toxicology testing, if performed (provision of the services by a medicare-enrolled opioid treatm G2067
Medication Assisted Treatment (MAT) with methadone is a comprehensive approach to manage opioid addiction. It includes weekly methadone dispensing, substance use counseling, individual and group therapy sessions, and toxicology tests as needed, all provided by a Medicare-enrolled opioid treatment program.
1,080 services37 patients
Medication assisted treatment, weekly bundle not including the drug, including substance use counseling, individual and group therapy, and toxicology testing if performed (provision of the services by a medicare-enrolled opioid treatment program) G2074
Medication Assisted Treatment is a comprehensive program for managing substance use. It includes counseling (both individual and group), along with regular toxicology testing if required. This service is provided by a Medicare-enrolled opioid treatment program.
19 services12 patients

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 Westside Community Mental Health Center's NPI number?

The NPI number for Westside Community Mental Health Center is 1992861694. It was assigned to this organization in the NPPES registry on December 28, 2006. The provider is also known as Westside Methadone Clinic.

Where is Westside Community Mental Health Center located?

Westside Community Mental Health Center is located at 1301 Pierce St, San Francisco, CA 94115. The listed phone number is (415) 563-8200.

What is Westside Community Mental Health Center's specialty?

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

Is Westside Community Mental Health Center enrolled in Medicare?

Yes. Westside Community Mental Health Center is registered in the Medicare PECOS enrollment system.

When is Westside Community Mental Health Center's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Westside Community Mental Health Center?

According to the CMS Revalidation Reassignment List (October 2026 release), 15 clinicians, all in Nurse Practitioner, reassign their Medicare billing to Westside Community Mental Health Center. 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. Of these, 11 practice 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 Westside Community Mental Health Center was last updated on August 31, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.