NPIMap

Organization Active NPI

Mental Health Systems, Inc.

  • Community/Behavioral Health Agency
  • Oceanside, CA
National Provider Identifier
1962328880
Registry record updated Jun 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Community/Behavioral Health AgencyTaxonomy code 251S00000X
Legal business name
MENTAL HEALTH SYSTEMS, INC.
Practice address
1701 Mission Ave Ste 120
Oceanside, CA 92058-7110
Phone
(760) 439-2785
NPI assigned
Jun 25, 2026
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jun 26, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
James C. Callaghan Jr.
Title
President/Ceo
Phone
(858) 573-2600

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Community/Behavioral Health Agency 251S00000X Primary

Addresses

Primary practice location

1701 Mission Ave Ste 120
Oceanside, CA 92058-7110

Mailing address

9465 Farnham St
San Diego, CA 92123-1308

Other names 1

  • Mariposa Clubhouse Doing business as

National Provider Directory

National Provider Directory
Tax ID family
Mental Health Systems48 organizations share this tax ID, including this one

Other organizations with this tax ID 47

Organizations that report the same tax identification number in the National Provider Directory.

View all 47

Practitioners & affiliated clinicians

Practitioners 5

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1782345600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1782432000000",
    "number": "1962328880",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9465 FARNHAM ST",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921231308"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1701 MISSION AVE STE 120",
            "city": "OCEANSIDE",
            "state": "CA",
            "postal_code": "920587110",
            "telephone_number": "760-439-2785"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MENTAL HEALTH SYSTEMS, INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-06-25",
        "last_updated": "2026-06-26",
        "certification_date": "2026-06-26",
        "status": "A",
        "authorized_official_last_name": "CALLAGHAN",
        "authorized_official_first_name": "JAMES",
        "authorized_official_middle_name": "C.",
        "authorized_official_title_or_position": "PRESIDENT/CEO",
        "authorized_official_telephone_number": "858-573-2600",
        "authorized_official_name_suffix": "Jr."
    },
    "taxonomies": [
        {
            "code": "251S00000X",
            "taxonomy_group": "",
            "desc": "Community/Behavioral Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Mariposa Clubhouse",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Oceanside, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 26, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.