Active NPI
Diana Northness, LMFT
- Marriage & Family Therapist
- Windsor, CA
National Provider Identifier
1902464209
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Marriage & Family Therapist
- License
- 110394
- Practice address
- 8911 Lakewood Dr
Windsor, CA 95492-7856 - Phone
- (805) 232-4161
- NPI assigned
- May 31, 2019
- Sex
- Female
- Sole proprietor
- Yes
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 | 110394 | CA | Primary |
Addresses
Primary practice location
8911 Lakewood Dr
Windsor, CA 95492-7856
Mailing address
8911 Lakewood Dr Ste 24C
Windsor, CA 95492-7856
Phone (805) 232-4161
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
- Opted out of Medicare
- Yes, effective Jan 1, 2024 through Jan 1, 2028
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 110394 | CA | MD | Clinical Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1559260800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1776038400000",
"number": "1902464209",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "8911 LAKEWOOD DR STE 24C",
"city": "WINDSOR",
"state": "CA",
"postal_code": "954927856",
"telephone_number": "805-232-4161"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "8911 LAKEWOOD DR",
"city": "WINDSOR",
"state": "CA",
"postal_code": "954927856",
"telephone_number": "805-232-4161"
}
],
"practiceLocations": [],
"basic": {
"last_name": "NORTHNESS",
"first_name": "DIANA",
"credential": "LMFT",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2019-05-31",
"last_updated": "2026-04-13",
"certification_date": "2026-04-13",
"status": "A"
},
"taxonomies": [
{
"code": "106H00000X",
"taxonomy_group": "",
"desc": "Marriage & Family Therapist",
"state": "CA",
"license": "110394",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Windsor, CA
- Shannon Rene Nelson, LPCC, PPSC
- Nor Cal Healthcare, LLC.
- Julia Norman
- North Bay Youth and Family Counseling, Inc. (Sonoma County Counseling)
- North Sonoma County Healthcare District (North Sonoma County Healthcare Services)
- Tysen N Norton, PA
- Mary Margaret Orosco- Dumont
- Ligaya Santos Ortega
- Priya Mohan Patel
- Pediatric Dental Initiative of the North Coast, Inc. (PDI Surgery Center)
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.