Active NPI
John Allen Popovich, DO
- Anesthesiology Physician
- Los Angeles, CA
National Provider Identifier
1578293288
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- 125-079660
- Practice address
- 4650 W Sunset Blvd
Los Angeles, CA 90027-6062 - Phone
- (323) 361-2262
- NPI assigned
- Jun 15, 2022
- 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 |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | 125-079660 | IL | Primary |
Addresses
Primary practice location
4650 W Sunset Blvd
Los Angeles, CA 90027-6062
Mailing address
4650 W Sunset Blvd
Los Angeles, CA 90027-6062
Phone (323) 361-2262
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IL
- 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 |
|---|---|---|---|---|
| I20220816002323 | IL | Order and Referring Only - Anesthesiology | 8820471311 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 125-079660 | IL | MD | Anesthesiology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1655251200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1781740800000",
"number": "1578293288",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4650 W SUNSET BLVD",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900276062",
"telephone_number": "323-361-2262"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4650 W SUNSET BLVD",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900276062",
"telephone_number": "323-361-2262"
}
],
"practiceLocations": [],
"basic": {
"last_name": "POPOVICH",
"first_name": "JOHN",
"middle_name": "ALLEN",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2022-06-15",
"last_updated": "2026-06-18",
"certification_date": "2026-06-18",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "IL",
"license": "125-079660",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}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 Jun 18, 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.