Active NPI
Ruth F Cousineau, M.D.
- Specialist
- Beverly Hills, CA
National Provider Identifier
1386699726
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Specialist
- License
- G50994
- Practice address
- 8920 Wilshire Blvd
Beverly Hills, CA 90211-2007 - Phone
- (310) 657-1600
- Fax
- (310) 659-3299
- NPI assigned
- May 24, 2006
- 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 |
|---|---|---|---|---|
| Specialist | 174400000X | G50994 | CA | Primary |
Addresses
Primary practice location
8920 Wilshire Blvd
Beverly Hills, CA 90211-2007
Mailing address
8920 Wilshire Blvd
Beverly Hills, CA 90211-1949
Phone (310) 657-1600
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| G50994 | Other | CA | STATE LICENSE |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| G50994 | CA | MD | Specialist |
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.
-
- Specialist
- Beverly Hills, CA
- NPI 1720028392
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1148428800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1386699726",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "8920 WILSHIRE BLVD",
"city": "BEVERLY HILLS",
"state": "CA",
"postal_code": "902111949",
"telephone_number": "310-657-1600",
"fax_number": "310-659-3299"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "8920 WILSHIRE BLVD",
"city": "BEVERLY HILLS",
"state": "CA",
"postal_code": "902112007",
"telephone_number": "310-657-1600",
"fax_number": "310-659-3299"
}
],
"practiceLocations": [],
"basic": {
"last_name": "COUSINEAU",
"first_name": "RUTH",
"middle_name": "F",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-05-24",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "174400000X",
"taxonomy_group": "",
"desc": "Specialist",
"state": "CA",
"license": "G50994",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "STATE LICENSE",
"identifier": "G50994",
"state": "CA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Beverly Hills, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.