Active NPI
Chelsea Warn
- Marriage & Family Therapist
- Costa Mesa, CA
National Provider Identifier
1306755426
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Marriage & Family Therapist
- License
- 111283
- Practice address
- 1700 Adams Ave Ste 214
Costa Mesa, CA 92626-4865 - Phone
- (714) 957-1973
- NPI assigned
- Sep 3, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Marriage & Family Therapist | 106H00000X | 111283 | CA | Primary |
Addresses
Primary practice location
1700 Adams Ave Ste 214
Costa Mesa, CA 92626-4865
Mailing address
1700 Adams Ave Ste 214
Costa Mesa, CA 92626-4865
Phone (714) 957-1973
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1788393600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788393600000",
"number": "1306755426",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1700 ADAMS AVE STE 214",
"city": "COSTA MESA",
"state": "CA",
"postal_code": "926264865",
"telephone_number": "714-957-1973"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1700 ADAMS AVE STE 214",
"city": "COSTA MESA",
"state": "CA",
"postal_code": "926264865",
"telephone_number": "714-957-1973"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WARN",
"first_name": "CHELSEA",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-09-03",
"last_updated": "2026-09-03",
"certification_date": "2026-09-03",
"status": "A"
},
"taxonomies": [
{
"code": "106H00000X",
"taxonomy_group": "",
"desc": "Marriage & Family Therapist",
"state": "CA",
"license": "111283",
"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 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.