Active NPI
Gwendolyn Kate Watson, LMFT
- Marriage & Family Therapist
- Petaluma, CA
National Provider Identifier
1962232173
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Marriage & Family Therapist
- License
- 147312
- Practice address
- 7 4TH St Ste 41
Petaluma, CA 94952-7402 - Phone
- (707) 234-7066
- NPI assigned
- Aug 2, 2024
- 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 | 147312 | CA | Primary |
Addresses
Primary practice location
7 4TH St Ste 41
Petaluma, CA 94952-7402
Mailing address
109 Round CT
Petaluma, CA 94952-4719
Phone (617) 688-2452
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Opted out of Medicare
- Previously, effective Aug 23, 2024 through Aug 23, 2026
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 147312 | CA | MD | Marriage & Family Therapist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Windows Health Corporation | Marriage & Family Therapist | Past | Accepting new patients |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
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Marriage & Family Therapist
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1722556800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1746489600000",
"number": "1962232173",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "109 ROUND CT",
"city": "PETALUMA",
"state": "CA",
"postal_code": "949524719",
"telephone_number": "617-688-2452"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "7 4TH ST STE 41",
"city": "PETALUMA",
"state": "CA",
"postal_code": "949527402",
"telephone_number": "707-234-7066"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WATSON",
"first_name": "GWENDOLYN",
"middle_name": "KATE",
"name_prefix": "Ms.",
"credential": "LMFT",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2024-08-02",
"last_updated": "2025-05-06",
"certification_date": "2025-05-06",
"status": "A"
},
"taxonomies": [
{
"code": "106H00000X",
"taxonomy_group": "",
"desc": "Marriage & Family Therapist",
"state": "CA",
"license": "147312",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Petaluma, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 6, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.