Organization Active NPI

County of Orange

Doing business as CYS CEGU Probation (Clinical Evaluation and Guidance Unit)

  • Adolescent and Children Mental Health Clinic/Center
  • Orange, CA
National Provider Identifier
1497887384
Registry record updated Jun 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Adolescent and Children Mental Health Clinic/CenterTaxonomy code 261QM0855X
Legal business name
COUNTY OF ORANGE
Doing business as
CYS CEGU Probation (Clinical Evaluation and Guidance Unit)
Cys Clinical Evaluation and Guidance Unit-Probation
Practice address
331 The City Dr S Ste 2000
Orange, CA 92868-3205
Phone
(714) 935-6363
NPI assigned
Mar 9, 2007
Last updated
Jun 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 Jun 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
Adolescent and Children Mental Health Clinic/Center 261QM0855X Primary

Addresses

Primary practice location

331 The City Dr S Ste 2000
Orange, CA 92868-3205

Mailing address

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

Other practice location 1

3155 W Steiner Way
Orange, CA 92868-3306
Phone (714) 935-6363

Other practice location 2

3030 N Hesperian St
Santa Ana, CA 92706-1151
Phone (714) 935-6363

Other identifiers 1

IdentifierTypeStateIssuer
30BSMedicaidCA

Other names 2

  • CYS CEGU Probation (Clinical Evaluation and Guidance Unit) Doing business as
  • CYS CLINICAL EVALUATION AND GUIDANCE UNIT-PROBATION 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
Part of
County of Orange

Locations

2035 E Ball Rd
Ste 200
Anaheim, CA 92806
Phone (714) 517-6300

331 The City Dr S
Ste 2000
Orange, CA 92868

Practitioners & affiliated clinicians

Practitioners 23

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 23

NPI Registry JSON

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

{
    "created_epoch": "1173398400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1782345600000",
    "number": "1497887384",
    "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": "331 THE CITY DR S STE 2000",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683205",
            "telephone_number": "714-935-6363"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3155 W Steiner Way",
            "address_purpose": "LOCATION",
            "city": "Orange",
            "state": "CA",
            "postal_code": "928683306",
            "country_code": "US",
            "telephone_number": "714-935-6363",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3030 N Hesperian St",
            "address_purpose": "LOCATION",
            "city": "Santa Ana",
            "state": "CA",
            "postal_code": "927061151",
            "country_code": "US",
            "telephone_number": "714-935-6363",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "COUNTY OF ORANGE",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "COUNTY OF ORANGE",
        "enumeration_date": "2007-03-09",
        "last_updated": "2026-06-25",
        "certification_date": "2026-06-25",
        "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": "261QM0855X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Adolescent and Children Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "30BS",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "CYS CEGU Probation (Clinical Evaluation and Guidance Unit)",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "CYS CLINICAL EVALUATION AND GUIDANCE UNIT-PROBATION",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Orange, CA

Sources for this page

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