Active NPI
California Treatment Collective, LLC.
- Substance Abuse Rehabilitation Facility
- Costa Mesa, CA
National Provider Identifier
1174212591
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Substance Abuse Rehabilitation Facility
- 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
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) | Code | License | State | Primary |
|---|---|---|---|---|
| Mental Health Counselor | 101YM0800X | |||
| Clinical Psychologist | 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 NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
CLIA laboratory certificates
| CLIA number | Laboratory | Certificate | Expires |
|---|---|---|---|
| 05D2289357 | California Treatment Collective LLC | Certificate of waiver | Sep 7, 2027 |
National Provider Directory
National Provider DirectoryLocations
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.