Organization Active NPI

Mental Health Systems, Inc.

Doing business as BPSR Fallbrook Clinic

  • Community/Behavioral Health Agency
  • Fallbrook, CA
National Provider Identifier
1639343544
Registry record updated Aug 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Community/Behavioral Health AgencyTaxonomy code 251S00000X
Legal business name
MENTAL HEALTH SYSTEMS, INC.
Doing business as
BPSR Fallbrook Clinic
Fallbrook Behavioral Health Clinic
Practice address
577 E Elder St Ste G
Fallbrook, CA 92028-3079
Phone
(760) 451-4720
Fax
(760) 451-4700
NPI assigned
Apr 22, 2008
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 5, 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

577 E Elder St Ste G
Fallbrook, CA 92028-3079

Mailing address

9465 Farnham St
San Diego, CA 92123-1308
Phone (858) 573-2600

Other names 2

  • BPSR Fallbrook Clinic Doing business as
  • Fallbrook Behavioral Health Clinic 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

Locations

577 E Elder St
Ste G
Fallbrook, CA 92028
Phone (760) 334-8424

NPI Registry JSON

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

{
    "created_epoch": "1208822400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1785888000000",
    "number": "1639343544",
    "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",
            "telephone_number": "858-573-2600"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "577 E ELDER ST STE G",
            "city": "FALLBROOK",
            "state": "CA",
            "postal_code": "920283079",
            "telephone_number": "760-451-4720",
            "fax_number": "760-451-4700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MENTAL HEALTH SYSTEMS, INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2008-04-22",
        "last_updated": "2026-08-05",
        "certification_date": "2026-08-05",
        "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": "BPSR Fallbrook Clinic",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Fallbrook Behavioral Health Clinic",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Fallbrook, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 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.