Active NPI
Hannah Chamberlin
- Marriage & Family Therapist
- Westlake Village, CA
National Provider Identifier
1598525420
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Marriage & Family Therapist
- License
- 145887
- Practice address
- 2659 Townsgate Rd Ste 218
Westlake Village, CA 91361-2711 - Phone
- (818) 620-3271
- NPI assigned
- Mar 19, 2024
- 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 | 145887 | CA | Primary |
Addresses
Primary practice location
2659 Townsgate Rd Ste 218
Westlake Village, CA 91361-2711
Mailing address
73 College Dr
Ventura, CA 93003-3405
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 Jul 8, 2025 through Jul 8, 2027
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1710806400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1770336000000",
"number": "1598525420",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "73 COLLEGE DR",
"city": "VENTURA",
"state": "CA",
"postal_code": "930033405"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2659 TOWNSGATE RD STE 218",
"city": "WESTLAKE VILLAGE",
"state": "CA",
"postal_code": "913612711",
"telephone_number": "818-620-3271"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CHAMBERLIN",
"first_name": "HANNAH",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2024-03-19",
"last_updated": "2026-02-06",
"certification_date": "2026-02-06",
"status": "A"
},
"taxonomies": [
{
"code": "106H00000X",
"taxonomy_group": "",
"desc": "Marriage & Family Therapist",
"state": "CA",
"license": "145887",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Westlake Village, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 6, 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.