Active NPI
Brandon Baker-Klein, MD
- Surgery Physician
- Los Angeles, CA
National Provider Identifier
1851033658
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Surgery Physician
- License
- A191448
- Practice address
- 1200 N State St
Los Angeles, CA 90089-0001 - Phone
- (323) 409-6931
- NPI assigned
- Apr 12, 2022
- Last updated
- Aug 22, 2026
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Surgery Physician | 208600000X | A191448 | CA | Primary |
| Student in an Organized Health Care Education/Training Program | 390200000X | |||
| Pediatric Surgery Physician | 2086S0120X | A191448 | CA |
Addresses
Primary practice location
1200 N State St
Los Angeles, CA 90089-0001
Mailing address
1200 N State St
Los Angeles, CA 90089-1001
Phone (323) 409-6931
Other practice location 1
4650 W Sunset Blvd
Los Angeles, CA 90027-6062
Phone (323) 660-2450
Other names 1
- Brandon Klein
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
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20230213001749 | CA | Order and Referring Only - General Surgery | 6507238912 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A191448 | CA | MD | Pediatric Surgery Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1649721600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1787356800000",
"number": "1851033658",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1200 N STATE ST",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900891001",
"telephone_number": "323-409-6931"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1200 N STATE ST",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900890001",
"telephone_number": "323-409-6931"
}
],
"practiceLocations": [
{
"address_1": "4650 W Sunset Blvd",
"address_purpose": "LOCATION",
"city": "Los Angeles",
"state": "CA",
"postal_code": "900276062",
"country_code": "US",
"telephone_number": "323-660-2450",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "BAKER-KLEIN",
"first_name": "BRANDON",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2022-04-12",
"last_updated": "2026-08-22",
"certification_date": "2026-08-22",
"status": "A"
},
"taxonomies": [
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "CA",
"license": "A191448",
"primary": true
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
},
{
"code": "2086S0120X",
"taxonomy_group": "",
"desc": "Surgery, Pediatric Surgery",
"state": "CA",
"license": "A191448",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "BRANDON",
"last_name": "KLEIN",
"credential": "MD",
"code": "1",
"type": "Former Name"
}
]
}
Other providers in Los Angeles, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 22, 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.