Health Service Alliance
Health Service Alliance holds 8 active organization NPIs in the federal registry, with practice locations in 6 California cities. 6 list family medicine physician as their primary taxonomy; each location can bill under its own NPI.
Search the organization with your city to find the NPI for the location you visit or bill.
Find a location's NPIRancho Cucamonga has the most NPIs, 3
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2022 and 2023
Source: CMS NPPES, enumeration dates.
2 NPIs were issued in 2022 alone, more than in any other year; none in 2 of the years between.
Rancho Cucamonga locations
The city with the most Health Service Alliance NPIs. The full list of all 8 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1922687466 | 9804 FOOTHILL BLVD, Rancho Cucamonga | Family Medicine Physician | Apr 2, 2021 |
| 1336858943 | 9089 BASE LINE RD STE 200, Rancho Cucamonga | Psychologist | Nov 22, 2022 |
| 1861181216 | 10837 LAUREL ST STE 204, Rancho Cucamonga | Family Medicine Physician | May 2, 2023 |
All 8 locations, by city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1801307368 | 13193 CENTRAL AVE, Chino | Family Medicine Physician | Oct 23, 2017 |
| 1720675986 | 220 S INDIAN HILL BLVD STE F, Claremont | Psychologist | Dec 22, 2020 |
| 1689492167 | 16377 MAIN ST STE A, Hesperia | Family Medicine Physician | Oct 2, 2024 |
| 1568197408 | 41990 COOK ST # F-2002, Palm Desert | Family Medicine Physician | Jul 22, 2022 |
| 1922687466 | 9804 FOOTHILL BLVD, Rancho Cucamonga | Family Medicine Physician | Apr 2, 2021 |
| 1336858943 | 9089 BASE LINE RD STE 200, Rancho Cucamonga | Psychologist | Nov 22, 2022 |
| 1861181216 | 10837 LAUREL ST STE 204, Rancho Cucamonga | Family Medicine Physician | May 2, 2023 |
| 1205523958 | 600 N EUCLID AVE STE 202, Upland | Family Medicine Physician | Apr 21, 2023 |
Checking an organization
- Match the NPI to the exact location you will visit or bill; each location can have its own.
- Confirm the business entity with the secretary of state.
- Check the HHS-OIG exclusion list for the organization and its owners.
- Verify each clinician you will see on their own record and with the state license search.
Common questions
Why does Health Service Alliance have 8 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Health Service Alliance's NPIs list practice locations in 6 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.