Alyssa Jean Thomas, MD

Primary specialty

Addiction Medicine (Family Medicine) PhysicianTaxonomy code 207QA0401X

License

194531 Issued in CA

Practice address

442 Crocker St
Los Angeles, CA 90013-2115

Phone

(213) 727-6717

Fax

(323) 693-0016

NPI assigned

Apr 14, 2021

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

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

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: alyssa.thomasmd.p1@direct.jwch.nextgenshare.com
• Direct secure messaging: athomas479380@direct.peacehealth.org
• Direct secure messaging: athomas1191994@direct.llu.edu

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.

• JWCH Institute Inc

  • Federally Qualified Health Center (FQHC)
  • Los Angeles, CA
  • NPI 1407808058
  Medicare reassignment NPD
• JWCH Institute Inc

  • Federally Qualified Health Center (FQHC)
  • Lancaster, CA
  • NPI 1073209177
  NPD
• JWCH Institute, Inc.

  • Federally Qualified Health Center (FQHC)
  • Lynwood, CA
  • NPI 1124182977
  NPD

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

{
    "created_epoch": "1618358400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766016000000",
    "number": "1518548346",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7121 147TH ST SW",
            "city": "EDMONDS",
            "state": "WA",
            "postal_code": "980263533"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "442 CROCKER ST",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900132115",
            "telephone_number": "213-727-6717",
            "fax_number": "323-693-0016"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "11332 Mountain View Ave",
            "address_2": "Westerly Bldg. Suite C",
            "address_purpose": "LOCATION",
            "city": "Loma Linda",
            "state": "CA",
            "postal_code": "923543854",
            "country_code": "US",
            "telephone_number": "909-558-7622",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "THOMAS",
        "first_name": "ALYSSA",
        "middle_name": "JEAN",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-04-14",
        "last_updated": "2025-12-18",
        "certification_date": "2025-12-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207QA0401X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Addiction Medicine",
            "state": "CA",
            "license": "194531",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nikki Thomas-Rhoden, LCSW
• Adrienne Veronique Thomas
• Ahmad Thomas Jr.
• Alysha Thomas, DMFT, LMFT
• Alyssa Ashley Thomas
• Amy Thomas, RCP
• Ardrena Rene' Thomas, B.S.
• Bert J. Thomas, M.D.
• Bobbie S Thomas, MFTI
• Brittaney K Thomas

• Addiction Medicine (Family Medicine) Physician in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Addiction Medicine (Family Medicine) Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 18, 2025; 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.

Verify at the official NPI Registry.