Active NPI
Jefferson Ang, PA
- Physician Assistant
- West Covina, CA
National Provider Identifier
1437047651
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- PA67303
- Practice address
- PO Box 5442
West Covina, CA 91791-5442 - Phone
- (626) 201-0858
- NPI assigned
- Jun 26, 2025
- Last updated
- Feb 9, 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | PA67303 | CA | Primary |
Addresses
Primary practice location
PO Box 5442
West Covina, CA 91791-5442
Mailing address
PO Box 5442
West Covina, CA 91791-5442
Phone (626) 201-0858
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: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2025
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1115 S Sunset Ave
West Covina, CA 91790-3940
Phone (626) 962-4011
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| PA67303 | CA | MD | Physician Assistant |
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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1750896000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1770595200000",
"number": "1437047651",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 5442",
"city": "WEST COVINA",
"state": "CA",
"postal_code": "917915442",
"telephone_number": "626-201-0858"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "PO BOX 5442",
"city": "WEST COVINA",
"state": "CA",
"postal_code": "917915442",
"telephone_number": "626-201-0858"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ANG",
"first_name": "JEFFERSON",
"credential": "PA",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2025-06-26",
"last_updated": "2026-02-09",
"certification_date": "2026-02-09",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "CA",
"license": "PA67303",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in West Covina, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 9, 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.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.