1. Home
  2. Directory
  3. California
  4. San Diego
  5. Community Behavioral Health
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MENTAL HEALTH SYSTEMS, INC.
NPI 1043732944
Community/Behavioral Health in San Diego, CA

Active since July 12, 2017
8775 AERO DR STE 132, SAN DIEGO, CA 92123(858) 573-2600 Get Directions Write a Review

NPPES record last updated: July 24, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 24, 2026, Aug 26, 2020, Aug 14, 2017 and 1 more (4 updates tracked since 2017).

About Mental Health Systems, Inc. NPPES

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

MENTAL HEALTH SYSTEMS, INC. (NPI 1043732944), doing business as City Star Act, is a healthcare organization registered as a community/behavioral health in San Diego, California and active in the NPI registry since July 2017. The organization lists James C. Callaghan, President/ceo, as its authorized official.

NPPES Registry Identity

NPI1043732944
Entity TypeOrganization
Primary Taxonomy251S00000X
Legal Business NameMENTAL HEALTH SYSTEMS, INC.
Location Address8775 AERO DR STE 132San Diego, CA 92123-1779
Mailing Address9465 Farnham StSan Diego, CA 92123-1308
Phone(858) 573-2600
Organization SubpartNo
Authorized OfficialJames C. CallaghanPresident/ceo · (858) 573-2600
Enumeration DateJuly 12, 2017
Last NPPES UpdateJuly 24, 20264 updates tracked since enumeration
NPPES CertifiedJuly 24, 2026
✔ NPI 1043732944 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.
8775 AERO DR STE 132, San Diego, CA 92123
Open in Google Maps ↗

Other Names 1

Doing Business AsCity Star Act

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CALEB FANEN ICHULL-INGYA
Case Manager/Care Coordinator
8775 AERO DR STE 132
SAN DIEGO, CA 92123
San Diego County (858) 609-8742
MONICA RAMIREZ
Student in an Organized Health Care Education/Training Program
8775 AERO DR STE 132
SAN DIEGO, CA 92123
San Diego County (858) 302-8172
MR. NORMAN ARABY PEOPLES III
Rehabilitation Practitioner
8775 AERO DR STE 132
SAN DIEGO, CA 92123
San Diego County (858) 609-8742
ISAURA LUCIA ALVAREZ
Case Manager/Care Coordinator
8775 AERO DR STE 132
SAN DIEGO, CA 92123
San Diego County (858) 609-8742
JAELYN MAY FERNANDEZ OBANA
Social Worker (Clinical)
8775 AERO DR STE 132
SAN DIEGO, CA 92123
San Diego County (858) 609-8742
ALINA GAMBOA
Community Health Worker
8775 AERO DR STE 132
SAN DIEGO, CA 92123
San Diego County (858) 609-8742
JESSICA VILLALOBOS
Social Worker (Clinical)
8775 AERO DR STE 132
SAN DIEGO, CA 92123
San Diego County (858) 609-8742
HEATHER PAULETTE HOWELL RN
Registered Nurse
8775 AERO DR STE 132
SAN DIEGO, CA 92123
San Diego County (858) 609-8742

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 Mental Health Systems, Inc.'s NPI number?

The NPI number for Mental Health Systems, Inc. is 1043732944. It was assigned to this organization in the NPPES registry on July 12, 2017. The provider is doing business as City Star ACT.

Where is Mental Health Systems, Inc. located?

Mental Health Systems, Inc. is located at 8775 Aero Dr Ste 132, San Diego, CA 92123. The listed phone number is (858) 573-2600.

What is Mental Health Systems, Inc.'s specialty?

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

When was this NPI record last updated?

The NPPES record for Mental Health Systems, Inc. was last updated on July 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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.