Organization Active NPI

California Treatment Collective, LLC.

  • Substance Abuse Rehabilitation Facility
  • Costa Mesa, CA
National Provider Identifier
1174212591
Registry record updated Apr 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Substance Abuse Rehabilitation FacilityTaxonomy code 324500000X
Legal business name
CALIFORNIA TREATMENT COLLECTIVE, LLC.
Practice address
3505 Cadillac Ave BLDG O
Suite 110
Costa Mesa, CA 92626-1429
Phone
(949) 832-6169
NPI assigned
May 2, 2023
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Apr 15, 2026

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

Authorized official

Name
Stephen McNamara
Title
Authorized Official
Phone
(949) 832-6169

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health CounselorGroup: 193200000X MULTI-SPECIALTY GROUP 101YM0800X
Clinical PsychologistGroup: 193200000X MULTI-SPECIALTY GROUP 103TC0700X
Substance Abuse Rehabilitation Facility 324500000X Primary

Addresses

Primary practice location

3505 Cadillac Ave BLDG O
Suite 110
Costa Mesa, CA 92626-1429

Mailing address

3505 Cadillac Ave BLDG O
Suite 110
Costa Mesa, CA 92626-1429
Phone (949) 832-6169

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
05D2289357California Treatment Collective LLC3505 Cadillac Ave BLDG 0 Ste 110, Costa Mesa, CA 92626Certificate of waiverSep 7, 2027

National Provider Directory

National Provider Directory

Locations

3505 Cadillac Ave
Ste O110
Costa Mesa, CA 92626
Phone (714) 755-1160

3400 Irvine Ave
Ste 207
Newport Beach, CA 92660
Phone (201) 306-5670

NPI Registry JSON

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

{
    "created_epoch": "1682985600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1776211200000",
    "number": "1174212591",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3505 CADILLAC AVE BLDG O",
            "address_2": "SUITE 110",
            "city": "COSTA MESA",
            "state": "CA",
            "postal_code": "926261429",
            "telephone_number": "949-832-6169"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3505 CADILLAC AVE BLDG O",
            "address_2": "SUITE 110",
            "city": "COSTA MESA",
            "state": "CA",
            "postal_code": "926261429",
            "telephone_number": "949-832-6169"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CALIFORNIA TREATMENT COLLECTIVE, LLC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2023-05-02",
        "last_updated": "2026-04-15",
        "certification_date": "2026-04-15",
        "status": "A",
        "authorized_official_last_name": "MCNAMARA",
        "authorized_official_first_name": "STEPHEN",
        "authorized_official_title_or_position": "AUTHORIZED OFFICIAL",
        "authorized_official_telephone_number": "949-832-6169"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Clinical",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "324500000X",
            "taxonomy_group": "",
            "desc": "Substance Abuse Rehabilitation Facility",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Costa Mesa, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 15, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.