Organization Active NPI

County of Orange

Doing business as AMHS Anaheim

  • Adult Mental Health Clinic/Center
  • Anaheim, CA
National Provider Identifier
1245377423
Registry record updated Feb 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Adult Mental Health Clinic/CenterTaxonomy code 261QM0850X
Legal business name
COUNTY OF ORANGE
Doing business as
AMHS Anaheim
Practice address
222 S Harbor Blvd Ste 400
Anaheim, CA 92805-3743
Phone
(714) 517-6300
NPI assigned
Jan 30, 2007
Last updated
Feb 25, 2026By the provider in NPPES
Organization subpart
Yes
Parent organization
COUNTY OF ORANGEAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Feb 25, 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 1

Specialty (taxonomy)CodeLicenseStatePrimary
Adult Mental Health Clinic/Center 261QM0850X Primary

Addresses

Primary practice location

222 S Harbor Blvd Ste 400
Anaheim, CA 92805-3743

Mailing address

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

Other names 1

  • AMHS Anaheim 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
Orange Co Mental HLTH SVCS42 organizations share this tax ID, including this one
Part of
Orange Co Mental HLTH SVCS

Other organizations with this tax ID 41

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

View all 41

Locations

2035 E Ball Rd
Ste 100
Anaheim, CA 92806
Phone (714) 517-6100

222 S Harbor Blvd
Ste 400
Anaheim, CA 92805
Phone (714) 517-6300

Practitioners & affiliated clinicians

Practitioners 35

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 35

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": "1771977600000",
    "number": "1245377423",
    "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": "222 S HARBOR BLVD STE 400",
            "city": "ANAHEIM",
            "state": "CA",
            "postal_code": "928053743",
            "telephone_number": "714-517-6300"
        }
    ],
    "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": "2026-02-25",
        "certification_date": "2026-02-25",
        "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": "261QM0850X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Adult Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "AMHS Anaheim",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "AMHS Anaheim",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Anaheim, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 25, 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.