Mark Yost, D.O.
Family Medicine Physician · Athens, WV
Mark Yost, D.O. is a family medicine physician with a practice address in Athens, West Virginia, and NPI 1265889844, issued on May 24, 2016. Check the license (West Virginia 3329, as entered in NPPES) on the West Virginia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark Yost
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 3329 WV
Self-reported in NPPES; status is on the state search - Practice location
- 401 Vermillion Street, Athens, WV 24712
- Phone
- (304) 384-7325
- Enumerated
- May 24, 2016
- Entity
- Type 1 · individual
Also registered at 401 Vermillion Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Natasha Barker, PACPhysician Assistant1578789731
Verify Mark Yost in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWest Virginia Board of Medicine
Search for license 3329Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
97% fewer Medicare Part D claims than the average family medicine physician in 2024
112 Medicare Part D claims for 65 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
2 family medicine physician records list a Athens practice address
They are 2 of the 46 NPPES records with a Athens practice address, and 1,052 family medicine physician records in West Virginia.
All 2 in Athens → All 1,052 in West Virginia → Every provider in Athens →
Other family medicine physician records in West Virginia
- Muneel Abbas, MDWilliamson, WV1740404375
- Ahmed Abdelgaber, MDHuntington, WV1194742916
- Michelle Abe, D.O.Martinsburg, WV1659690386
- Amir Abouelfetouh Elsehmawy, MDMorgantown, WV1629741673
- Alice Ackerman, DOPhilippi, WV1730151010
- Catherine Adkins, MDVienna, WV1063415859
- Courtney Adkins, DOMadison, WV1174741672
- Zachary Adkins, MDHurricane, WV1245444041
- Ernesto Agbayani, M.D.Martinsburg, WV1497778427
- Quratul Ain, MDHarpers Ferry, WV1952898629
Common questions
What is Mark Yost, D.O.'s NPI number?
Mark Yost, D.O.'s National Provider Identifier (NPI) is 1265889844, issued on May 24, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Mark Yost, D.O. located?
The NPPES record lists a practice address at 401 Vermillion Street, Athens, WV, 24712. Phone: (304) 384-7325. Providers update this record themselves, so call before visiting.
How can I verify Mark Yost, D.O.'s license?
NPPES lists West Virginia license number 3329, as entered by the provider. Search the West Virginia Board of Medicine at https://wvbom.wv.gov/public/search/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Yost, D.O. prescribe under Medicare Part D?
In 2024, Mark Yost, D.O. had 112 Medicare Part D claims for 65 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.