Mackenzie James Clarkson, MD - Medicare Internal Medicine in Fairmont, WV

Mackenzie James Clarkson, MD is a medicare enrolled "Internal Medicine" physician in Fairmont, West Virginia. He went to West Virginia University School Of Medicine and graduated in 2015 and has 11 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice West Virginia University Medical Corporation and his current practice location is 1377 Locust Ave, Fairmont, West Virginia. You can reach out to his office (for appointments etc.) via phone at (304) 363-3500.

Mackenzie James Clarkson is licensed to practice in West Virginia (license number 27820) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1073908034.

Contact Information

Mackenzie James Clarkson, MD
1377 Locust Ave,
Fairmont, WV 26554-1791
(304) 363-3500
(304) 366-4073

Map and Direction




Physician's Profile

Full NameMackenzie James Clarkson
GenderMale
SpecialityInternal Medicine
Experience11 Years
Location1377 Locust Ave, Fairmont, West Virginia
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mackenzie James Clarkson attended and graduated from West Virginia University School Of Medicine in 2015
  NPI Data:
  • NPI Number: 1073908034
  • Provider Enumeration Date: 04/06/2015
  • Last Update Date: 05/12/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 4789987322
  • Enrollment ID: I20190903001384

Medical Identifiers

Medical identifiers for Mackenzie James Clarkson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1073908034NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics 27820 (West Virginia)Secondary
207R00000XInternal Medicine 27820 (West Virginia)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
West Virginia University HospitalsMorgantown, WVHospital
United Hospital CenterBridgeport, WVHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
West Virginia University Medical Corporation10522245651722

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mackenzie James Clarkson allows following entities to bill medicare on his behalf.
Entity NameWest Virginia University Medical Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1275504508
PECOS PAC ID: 1052224565
Enrollment ID: O20031111000207

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mackenzie James Clarkson is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mackenzie James Clarkson, MD
Po Box 9186,
Morgantown, WV 26506-9186

Ph: (304) 293-1224
Mackenzie James Clarkson, MD
1377 Locust Ave,
Fairmont, WV 26554-1791

Ph: (304) 363-3500

Reviews and Comments


Internal Medicine Doctors in Fairmont, WV

Dr. Mohammad Roidad, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1614 Locust Ave, Fairmont, WV 26554
Phone: 304-363-6659    Fax: 304-366-3464
Eugenio Aldea Menez, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1714 Locust Ave, Fairmont, WV 26554
Phone: 304-363-3714    Fax: 304-363-6850
Bonnie Diep, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1377 Locust Ave, Fairmont, WV 26554
Phone: 304-363-3500    
Spencer Ollayos,
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1325 Locust Ave, Fairmont, WV 26554
Phone: 045-347-8103    
Dr. Ryan Christopher Hall, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1322 Locust Ave, Fairmont, WV 26554
Phone: 304-366-0700    Fax: 304-366-9529
Dr. Cory Andrew Smith, D.O.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 700 Village Dr, Fairmont, WV 26554
Phone: 304-366-2600    Fax: 304-366-2080
Ms. Ojaswi Singh Tomar, M.D
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 31 Landing Ln, Fairmont, WV 26554
Phone: 304-598-4855    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.