Registry data as of Aug 27, 2026

Westside Community Services

Westside Community Services holds 6 active organization NPIs in the federal registry, with practice locations in 2 California cities. 3 list community/behavioral health agency as their primary taxonomy; each location can bill under its own NPI.

CMS NPPES registry, file of Aug 9, 2026 · legal names grouped after punctuation and "LLC" are removed · method · Verify with CMS →

Which NPI is yours?

Search the organization with your city to find the NPI for the location you visit or bill.

Find a location's NPI

San Francisco has the most NPIs, 5

  1. San Francisco5
  2. Pittsburg1

Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.

Most NPIs were issued in 2009 and 2012

Westside Community Services NPIs by year issued2009: 2, 2010: 0, 2011: 0, 2012: 401234200920102011201224
Westside Community Services NPIs by year issued2009: 2, 2010: 0, 2011: 0, 2012: 401234200920102011201224
Westside Community Services NPIs by year issued2009: 2, 2010: 0, 2011: 0, 2012: 401234200920102011201224

Source: CMS NPPES, enumeration dates.

4 NPIs were issued in 2012 alone, more than in any other year; none in 2 of the years between.

San Francisco locations

The city with the most Westside Community Services NPIs. The full list of all 6 follows.

NPILocationPrimary taxonomyIssued
18515329981301 PIERCE ST, San FranciscoCommunity/Behavioral Health AgencyMar 19, 2009
1740514397245 11TH ST, San FranciscoCommunity/Behavioral Health AgencySep 30, 2009
10132626091301 PIERCE ST, San FranciscoHealth Maintenance OrganizationJul 19, 2012
19324595261301 PIERCE ST, San FranciscoCase Management AgencySep 12, 2012
12051871351153 OAK ST, San FranciscoCommunity/Behavioral Health AgencyOct 2, 2012
All 6 locations, by city
NPILocationPrimary taxonomyIssued
1780939165356 TURNSTONE CIR, PittsburgPublic Health or Welfare AgencyJul 20, 2012
18515329981301 PIERCE ST, San FranciscoCommunity/Behavioral Health AgencyMar 19, 2009
1740514397245 11TH ST, San FranciscoCommunity/Behavioral Health AgencySep 30, 2009
10132626091301 PIERCE ST, San FranciscoHealth Maintenance OrganizationJul 19, 2012
19324595261301 PIERCE ST, San FranciscoCase Management AgencySep 12, 2012
12051871351153 OAK ST, San FranciscoCommunity/Behavioral Health AgencyOct 2, 2012

Checking an organization

  1. Match the NPI to the exact location you will visit or bill; each location can have its own.
  2. Confirm the business entity with the secretary of state.
  3. Check the HHS-OIG exclusion list for the organization and its owners.
  4. Verify each clinician you will see on their own record and with the state license search.

Common questions

Why does Westside Community Services have 6 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Westside Community Services's NPIs list practice locations in 2 cities.

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.