Individual provider Active NPI

Michael Thaddeaus Rayfield, B.S. PA-C

  • Physician Assistant
  • Los Angeles, CA
National Provider Identifier
1871633826
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
13178 Issued in CA
Practice address
12021 S. Wilmington Ave
Los Angeles, CA 90059
Phone
(951) 847-0356
NPI assigned
Feb 7, 2007
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 13178 CA Primary
Surgical Physician Assistant 363AS0400X 13178 CA

Addresses

Primary practice location

12021 S. Wilmington Ave
Los Angeles, CA 90059

Mailing address

1820 E 215TH St
Carson, CA 90745-1814
Phone (951) 847-0356

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)
Enrolled
Credentials
Bachelor of Science, Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
County of Los Angeles Past Accepting new patients

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.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1170806400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1871633826",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1820 E 215TH ST",
            "city": "CARSON",
            "state": "CA",
            "postal_code": "907451814",
            "telephone_number": "951-847-0356"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12021 S. WILMINGTON AVE",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "90059",
            "telephone_number": "951-847-0356"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RAYFIELD",
        "first_name": "MICHAEL",
        "middle_name": "THADDEAUS",
        "credential": "B.S. PA-C",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-02-07",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "13178",
            "primary": true
        },
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "CA",
            "license": "13178",
            "primary": false
        }
    ],
    "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 Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.