Active NPI
MHTS Mental Health Treatment Services
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Fountain Valley, CA
National Provider Identifier
1467337261
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Legal business name
- MHTS MENTAL HEALTH TREATMENT SERVICES
- Practice address
- 8780 Warner Ave Ste 11
Fountain Valley, CA 92708-3210 - Phone
- (402) 250-8989
- Fax
- (714) 475-2746
- NPI assigned
- Aug 11, 2025
- 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
- James Sewell
- Title
- RCM
- Phone
- (402) 250-8989
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Mental Health Clinic/Center (Including Community Mental Health Center) | 261QM0801X | Primary |
Addresses
Primary practice location
8780 Warner Ave Ste 11
Fountain Valley, CA 92708-3210
Mailing address
151 Kalmus Dr Ste A203
Costa Mesa, CA 92626-5999
Phone (402) 250-8989
Other names 1
- MHTS
National Provider Directory
National Provider DirectoryNPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1754870400000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1754870400000",
"number": "1467337261",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "151 KALMUS DR STE A203",
"city": "COSTA MESA",
"state": "CA",
"postal_code": "926265999",
"telephone_number": "402-250-8989",
"fax_number": "714-475-2746"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "8780 WARNER AVE STE 11",
"city": "FOUNTAIN VALLEY",
"state": "CA",
"postal_code": "927083210",
"telephone_number": "402-250-8989",
"fax_number": "714-475-2746"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "MHTS MENTAL HEALTH TREATMENT SERVICES",
"organizational_subpart": "NO",
"enumeration_date": "2025-08-11",
"last_updated": "2025-08-11",
"certification_date": "2025-08-10",
"status": "A",
"authorized_official_last_name": "SEWELL",
"authorized_official_first_name": "JAMES",
"authorized_official_title_or_position": "RCM",
"authorized_official_telephone_number": "402-250-8989"
},
"taxonomies": [
{
"code": "261QM0801X",
"taxonomy_group": "",
"desc": "Clinic/Center, Mental Health (Including Community Mental Health Center)",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"organization_name": "MHTS",
"code": "3",
"type": "Doing Business As"
}
]
}
Other providers in Fountain Valley, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.