Active NPI
Stillwater Behavioral Health LLC
- Adult Mental Health Clinic/Center
- Costa Mesa, CA
National Provider Identifier
1285542878
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Adult Mental Health Clinic/Center
- Legal business name
- STILLWATER BEHAVIORAL HEALTH LLC
- Practice address
- 657 W 19TH St
Costa Mesa, CA 92627-8600 - Phone
- (949) 233-3983
- NPI assigned
- Sep 1, 2026
- 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
- Mr. John Bennett
- Title
- Coo
- Phone
- (949) 233-3983
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Adult Mental Health Clinic/Center | 261QM0850X | Primary |
Addresses
Primary practice location
657 W 19TH St
Costa Mesa, CA 92627-8600
Mailing address
657 W 19TH St
Costa Mesa, CA 92627-8600
Phone (949) 233-3983
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1788220800000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1788998400000",
"number": "1285542878",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "657 W 19TH ST",
"city": "COSTA MESA",
"state": "CA",
"postal_code": "926278600",
"telephone_number": "949-233-3983",
"fax_number": "949-767-5621"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "657 W 19TH ST",
"city": "COSTA MESA",
"state": "CA",
"postal_code": "926278600",
"telephone_number": "949-233-3983"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "STILLWATER BEHAVIORAL HEALTH LLC",
"organizational_subpart": "NO",
"enumeration_date": "2026-09-01",
"last_updated": "2026-09-10",
"certification_date": "2026-09-10",
"status": "A",
"authorized_official_last_name": "BENNETT",
"authorized_official_first_name": "JOHN",
"authorized_official_title_or_position": "COO",
"authorized_official_telephone_number": "949-233-3983",
"authorized_official_name_prefix": "Mr."
},
"taxonomies": [
{
"code": "261QM0850X",
"taxonomy_group": "",
"desc": "Clinic/Center, Adult Mental Health",
"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 Sep 10, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.