Active NPI
Robert Boostanfar, M.D.
- Reproductive Endocrinology Physician
- Westlake Village, CA
National Provider Identifier
1336119353
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Reproductive Endocrinology Physician
- License
- A61347
- Practice address
- 1220 La Venta Rd
Westlake Village, CA 91361-3748 - Phone
- (805) 374-1737
- Fax
- (805) 374-1736
- NPI assigned
- Jan 23, 2006
- Sex
- Male
- 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 |
|---|---|---|---|---|
| Reproductive Endocrinology Physician | 207VE0102X | A61347 | CA | Primary |
Addresses
Primary practice location
1220 La Venta Rd
Westlake Village, CA 91361-3748
Mailing address
333 S Arroyo Pkwy
Pasadena, CA 91105-2515
Phone (626) 440-9161
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| A61347 | Other | CA | MEDICAL LICENSE |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A61347 | CA | MD | Reproductive Endocrinology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Tarzana Medical Center LLC | Past | Accepting new patients | |
| West Hills Hospital | Past | Accepting new patients | |
| Lima Memorial Joint Operating Company | Past | Accepting new patients | |
| Huntington Reproductive Center Medical Group | Past | Accepting new patients | |
| Los Robles Regional Medical Center | Past | Accepting new patients |
Networks
- BSC 65 PLUS INDIVIDUAL MAPD
Organizations & group practices 5
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
- Pasadena, CA
- NPI 1912084377
-
- General Acute Care Hospital
- Thousand Oaks, CA
- NPI 1033163019
-
- General Acute Care Hospital
- Tarzana, CA
- NPI 1821250762
-
- General Acute Care Hospital
- West Hills, CA
- NPI 1023065729
-
- General Acute Care Hospital
- Lima, OH
- NPI 1336144732
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1137974400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1336119353",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "333 S ARROYO PKWY",
"city": "PASADENA",
"state": "CA",
"postal_code": "911052515",
"telephone_number": "626-440-9161",
"fax_number": "626-585-1603"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1220 LA VENTA RD",
"city": "WESTLAKE VILLAGE",
"state": "CA",
"postal_code": "913613748",
"telephone_number": "805-374-1737",
"fax_number": "805-374-1736"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BOOSTANFAR",
"first_name": "ROBERT",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-01-23",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207VE0102X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology, Reproductive Endocrinology",
"state": "CA",
"license": "A61347",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MEDICAL LICENSE",
"identifier": "A61347",
"state": "CA"
}
],
"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 Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.