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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 1598847055
Clinic/Center - Adult Mental Health in Oceanside, CA

Active since October 20, 2006
1701 MISSION AVE STE 230, OCEANSIDE, CA 92058(760) 712-3535(760) 439-6901 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 31, 2018 and 2 more (5 updates tracked since 2016).

About Mental Health Systems, Inc. NPPES

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

MENTAL HEALTH SYSTEMS, INC. (NPI 1598847055), doing business as North Coastal Mental Health Center, is a healthcare organization registered as an adult mental health in Oceanside, California and active in the NPI registry since October 2006. The organization lists James C. Callaghan, President/ceo, as its authorized official.

NPPES Registry Identity

NPI1598847055
Entity TypeOrganization
Primary Taxonomy261QM0850X
Legal Business NameMENTAL HEALTH SYSTEMS, INC.
Location Address1701 MISSION AVE STE 230Oceanside, CA 92058
Mailing Address9465 Farnham StSan Diego, CA 92123-1308 · (858) 573-2600
Phone(760) 712-3535
Fax(760) 439-6901
Organization SubpartNo
Authorized OfficialJames C. CallaghanPresident/ceo · (858) 573-2600
Enumeration DateOctober 20, 2006
Last NPPES UpdateJuly 24, 20265 updates tracked since enumeration
NPPES CertifiedJuly 24, 2026
✔ NPI 1598847055 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Adult Mental HealthAmbulatory Health Care Facilities
Taxonomy Code261QM0850X
Definition
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to mental and behavioral disorders in adults.
1701 MISSION AVE STE 230, Oceanside, CA 92058
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Other Names 2

Doing Business AsNorth Coastal Mental Health Center
Doing Business AsNorth Coastal Behavioral Health Clinic

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.

SHANNON-LYNN DUNCAN
Student in an Organized Health Care Education/Training Program
1701 MISSION AVE STE 230
OCEANSIDE, CA 92058
San Diego County (760) 712-3535
ALEXANDRA FRANK
Social Worker (Clinical)
1701 MISSION AVE STE 230
OCEANSIDE, CA 92058
San Diego County (760) 712-3535
JOHNATHAN JULIO MENDOZA
Case Manager/Care Coordinator
1701 MISSION AVE STE 230
OCEANSIDE, CA 92058
San Diego County (760) 712-3535
ANERI SHETH
Counselor (Professional)
1701 MISSION AVE STE 230
OCEANSIDE, CA 92058
San Diego County (760) 712-3535
CYNTHIA VANESSA-ARGUELLO SOLORZANO
Student in an Organized Health Care Education/Training Program
1701 MISSION AVE STE 230
OCEANSIDE, CA 92058
San Diego County (760) 712-3535
CURTIS EDWARD MCMASTER
Counselor (Professional)
1701 MISSION AVE STE 230
OCEANSIDE, CA 92058
San Diego County (760) 712-3535
WENCES SAVAIKI LCSW
Social Worker (Clinical)
1701 MISSION AVE STE 230
OCEANSIDE, CA 92058
San Diego County (760) 712-3535
PERLA GABRIELA VEGA
Interpreter
1701 MISSION AVE STE 230
OCEANSIDE, CA 92058
San Diego County (760) 712-3535

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 1598847055. It was assigned to this organization in the NPPES registry on October 20, 2006. The provider is doing business as North Coastal Mental Health Center and North Coastal Behavioral Health Clinic.

Where is Mental Health Systems, Inc. located?

Mental Health Systems, Inc. is located at 1701 Mission Ave Ste 230, Oceanside, CA 92058. The listed phone number is (760) 712-3535.

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

The primary specialty registered for this NPI is Clinic/Center, specializing in Adult Mental Health, with taxonomy code 261QM0850X.

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 with the weekly NPPES data releases published by CMS.