Find an organization's NPI
13 active organization NPIs are registered under names beginning "Hillsides" in California. Each location can bill under its own NPI, so add the city to find the one you need.
1 to 13 of 13, exact name first
- Hillsides1972047165
Substance Use Disorder Rehabilitation Clinic/Center · Commerce, CA · issued Dec 7, 2016
- Hillsides1700126687
Adolescent and Children Mental Health Clinic/Center · Irwindale, CA · issued Feb 28, 2013
- Hillsides1083158810
Adolescent and Children Mental Health Clinic/Center · Irwindale, CA · issued Dec 13, 2016
- Hillsides1508983776
Adolescent and Children Mental Health Clinic/Center · Los Angeles, CA · issued Mar 23, 2007
- Hillsides1619217841
Community/Behavioral Health Agency · Los Angeles, CA · issued Feb 25, 2013
- Hillsides1720707987
Community/Behavioral Health Agency · Los Angeles, CA · issued Aug 23, 2022
- Hillsides1285289801
Mental Health Clinic/Center (Including Community Mental Health Center) · Palmdale, CA · issued Aug 9, 2019
- Hillsides1750415162
Mental Illness Community Based Residential Treatment Facility · Pasadena, CA · issued Mar 15, 2007
- Hillsides1639613821
Mental Illness Community Based Residential Treatment Facility · Pasadena, CA · issued Dec 7, 2016
- Hillsides1477023265
Mental Health Clinic/Center (Including Community Mental Health Center) · Pasadena, CA · issued Dec 5, 2018
- Hillsides1386463099
Substance Use Disorder Rehabilitation Clinic/Center · Pasadena, CA · issued Oct 9, 2024
- Hillsides1700270188
Community/Behavioral Health Agency · Pomona, CA · issued Mar 24, 2015
- Hillsides1902920176
Adolescent and Children Mental Health Clinic/Center · South Pasadena, CA · issued Mar 16, 2007
Source: CMS NPPES monthly file of Aug 9, 2026, organization (Type 2) records.