Find an organization's NPI
12 active organization NPIs are registered under names beginning "Institute On Aging" in California. Each location can bill under its own NPI, so add the city to find the one you need.
1 to 12 of 12, exact name first
- Institute On Aging1497860068
Clinical Psychologist · San Francisco, CA · issued Aug 21, 2006
- Institute On Aging1730307117
Case Management Agency · San Francisco, CA · issued Apr 23, 2007
- Institute On Aging1114132941
Primary Care Clinic/Center · San Francisco, CA · issued May 14, 2007
- Institute On Aging1932314622
Adult Day Care Clinic/Center · San Francisco, CA · issued May 14, 2007
- Institute On Aging1942418884
Adult Day Care Clinic/Center · San Francisco, CA · issued May 21, 2007
- Institute On Aging1497964647
Adult Day Care Clinic/Center · San Francisco, CA · issued May 22, 2007
- Institute On Aging1629251772
Case Management Agency · San Francisco, CA · issued Dec 12, 2007
- Institute On Aging1285906164
In Home Supportive Care Agency · San Francisco, CA · issued Feb 7, 2012
- Institute On Aging1255730222
Case Management Agency · San Francisco, CA · issued Aug 15, 2014
- Institute On Aging1003215914
Case Management Agency · San Francisco, CA · issued Aug 15, 2014
- Institute On Aging - Northern California, LLC1902778350
Case Management Agency · Napa, CA · issued Sep 23, 2025
- Institute On Aging - Southern California LLC1316445414
Case Management Agency · Ontario, CA · issued Jan 24, 2018
Source: CMS NPPES monthly file of Aug 9, 2026, organization (Type 2) records.