Organization Active NPI

County of Orange

Doing business as AMHS Intensive Care Management Mission Viejo

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Mission Viejo, CA
National Provider Identifier
1922145143
Registry record updated Jun 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health Clinic/Center (Including Community Mental Health Center)Taxonomy code 261QM0801X
Legal business name
COUNTY OF ORANGE
Doing business as
AMHS Intensive Care Management Mission Viejo
AMHS Mission Viejo
Practice address
23228 Madero
Mission Viejo, CA 92691-2706
Phone
(949) 454-3940
Fax
(949) 770-1953
NPI assigned
Jan 30, 2007
Last updated
Jun 30, 2026By the provider in NPPES
Organization subpart
Yes
Parent organization
COUNTY OF ORANGEAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Jun 30, 2026

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

Authorized official

Name
Dr. CHI Y. Rajalingam, PH.D., CHC
Title
Chief Compliance Officer
Phone
(714) 834-3154

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Clinic/Center (Including Community Mental Health Center) 261QM0801X NU Primary
Substance Use Disorder Rehabilitation Clinic/Center 261QR0405X NU

Addresses

Primary practice location

23228 Madero
Mission Viejo, CA 92691-2706

Mailing address

405 W 5TH St Ste 212
Santa Ana, CA 92701-4522
Phone (714) 568-5614

Other identifiers 1

IdentifierTypeStateIssuer
8082MedicaidCA

Other names 2

  • AMHS Intensive Care Management Mission Viejo Doing business as
  • AMHS Mission Viejo Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20031117000447 CA Part B Supplier - Clinic/Group Practice 1951215789 Receives reassigned benefits from 112 practitioners
26 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: Westminster, CA; Santa Ana, CA; Orange, CA; Fullerton, CA; Costa Mesa, CA; Anaheim, CA; Aliso Viejo, CA; Mission Viejo, CA

Other NPIs on the same Medicare enrollment 26

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

View all 26

National Provider Directory

National Provider Directory
Tax ID family
County of Orange42 organizations share this tax ID, including this one
Part of
County of Orange

Other organizations with this tax ID 41

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

View all 41

NPI Registry JSON

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

{
    "created_epoch": "1170115200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1782777600000",
    "number": "1922145143",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "405 W 5TH ST STE 212",
            "city": "SANTA ANA",
            "state": "CA",
            "postal_code": "927014522",
            "telephone_number": "714-568-5614",
            "fax_number": "714-834-6595"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "23228 MADERO",
            "city": "MISSION VIEJO",
            "state": "CA",
            "postal_code": "926912706",
            "telephone_number": "949-454-3940",
            "fax_number": "949-770-1953"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "COUNTY OF ORANGE",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "COUNTY OF ORANGE",
        "enumeration_date": "2007-01-30",
        "last_updated": "2026-06-30",
        "certification_date": "2026-06-30",
        "status": "A",
        "authorized_official_last_name": "RAJALINGAM",
        "authorized_official_first_name": "CHI",
        "authorized_official_middle_name": "Y.",
        "authorized_official_title_or_position": "CHIEF COMPLIANCE OFFICER",
        "authorized_official_telephone_number": "714-834-3154",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "PH.D., CHC"
    },
    "taxonomies": [
        {
            "code": "261QM0801X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Mental Health (Including Community Mental Health Center)",
            "state": "NU",
            "license": null,
            "primary": true
        },
        {
            "code": "261QR0405X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Rehabilitation, Substance Use Disorder",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "8082",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "AMHS Intensive Care Management Mission Viejo",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "AMHS Mission Viejo",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Mission Viejo, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 30, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.