Mackenzie James Clarkson, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

27820 Issued in WV

Practice address

1377 Locust Ave
Fairmont, WV 26554-1791

Phone

(304) 363-3500

Fax

(304) 366-4073

NPI assigned

Apr 6, 2015

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 WV

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

Specialty

Internal MedicineAlso: Pediatric Medicine

Education

West Virginia University School of Medicine, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

West Virginia University Medical CorporationGroup PAC ID 1052224565, 1,974 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Wvuhs Home Care Home health agency, Clarksburg, WV, CCN 517053
• West Virginia University Hospitals, Inc Hospital, Morgantown, WV, CCN 510001
• United Hospital Center, Inc Hospital, Bridgeport, WV, CCN 510006

Merit-based Incentive Payment System (MIPS)

Final score

95.34 of 100Reported as apm

Quality

79.86

Promoting interoperability

100

Improvement activities

40

Merit-based Incentive Payment System (MIPS)

Final score

0 of 100Reported as group

Quality

0

Promoting interoperability

0

Improvement activities

0

Cost

0

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mclarkson25842@direct.wvuhsdirect.com

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.

• West Virginia University Medical Corporation

  • Family Medicine Physician
  • Morgantown, WV
  • NPI 1275504508

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• West Virginia University Medical Corporation

  • Community/Behavioral Health Agency
  • Martinsburg, WV
  • NPI 1174233530
  NPD
• Wvu Med Corp Cheat Lake Physicians

  • Clinical Medical Laboratory
  • Morgantown, WV
  • NPI 1568661148
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• United Hospital Center, Inc

  • General Acute Care Hospital
  • Bridgeport, WV
  • NPI 1184606600
  Care Compare affiliation
• West Virginia University Hospitals, Inc

  • General Acute Care Hospital
  • Morgantown, WV
  • NPI 1841271459
  Care Compare affiliation

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

{
    "created_epoch": "1428278400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747008000000",
    "number": "1073908034",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 9186",
            "city": "MORGANTOWN",
            "state": "WV",
            "postal_code": "265069186",
            "telephone_number": "304-293-1224"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1377 LOCUST AVE",
            "city": "FAIRMONT",
            "state": "WV",
            "postal_code": "265541791",
            "telephone_number": "304-363-3500",
            "fax_number": "304-366-4073"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CLARKSON",
        "first_name": "MACKENZIE",
        "middle_name": "JAMES",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-04-06",
        "last_updated": "2025-05-12",
        "certification_date": "2025-05-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "WV",
            "license": "27820",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WV",
            "license": "27820",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sharon R Clagett, M.A. CCC-SLP
• Jessica Jo Clark
• Nancy Clark
• Kevin M Clarke, MD
• Nicholas Clarke
• Kentrell Keyon Allan Clay-Jones
• Kiryanna Jean Clay-Williams
• Gaynell Clay
• Vanquisha Clay
• Linda Clayton

• Internal Medicine Physician in Fairmont, WV
• Providers in Fairmont, WV by specialty
• Internal Medicine Physician in West Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 12, 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.
• 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.