Marcus Alexander Thompson, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

10385 Issued in TN

Practice address

409 Montbrook LN
Knoxville, TN 37919-2704

Phone

(865) 297-7099

NPI assigned

Nov 20, 2023

Sex

Male

Sole proprietor

No

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 TN

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Social Worker

Education

University of Tennessee, HSC, College of Medicine, 2021

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

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.

• Ridgeview Psychiatric Hospital and Center, Inc.

  • Psychiatric Hospital
  • Oak Ridge, TN
  • NPI 1184659229
  Medicare reassignment

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

{
    "created_epoch": "1700438400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776297600000",
    "number": "1659146678",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1215 BLACK JACK RD",
            "city": "ROCKWOOD",
            "state": "TN",
            "postal_code": "378545247",
            "telephone_number": "865-297-7099"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "409 MONTBROOK LN",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379192704",
            "telephone_number": "865-297-7099"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THOMPSON",
        "first_name": "MARCUS",
        "middle_name": "ALEXANDER",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-11-20",
        "last_updated": "2026-04-16",
        "certification_date": "2026-04-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MA",
            "license": "230130",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "TN",
            "license": "10385",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Heather L. Thompson, PA-C
• Julie Kay Thompson, M.S., CCC-SLP
• Kelly Marie Thompson, OT
• Lena Oday Thompson, RN
• Mallory Thompson
• Marion Loura Thompson, BS
• Nancy Ann Thompson, MSED
• Rayanna Lee Thompson, CPC-A
• Raymond Thompson I
• Robert G Thompson II, MD

• Clinical Social Worker in Knoxville, TN
• Providers in Knoxville, TN by specialty
• Clinical Social Worker in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 16, 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.

Verify at the official NPI Registry.