David Mark, M.D.
Family Medicine Physician · Hardin, MT
David Mark, M.D. is a family medicine physician with a practice address in Hardin, Montana, and NPI 1023166840, issued on Jan 8, 2007. Check the license (Montana MED-PHYS-LIC-12540, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- David Mark
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MED-PHYS-LIC-12540 MT
Self-reported in NPPES; status is on the state search - Practice location
- 402 N Center Ave, Hardin, MT 59034
- Phone
- (406) 655-4103
- Enumerated
- Jan 8, 2007
- Entity
- Type 1 · individual
Verify David Mark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license MED-PHYS-LIC-12540Check 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
111 Medicare Part D claims for 86 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 87% of claims.
Most prescribed
- Arexvy66 claims
- Shingrix22 claims
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.
6 family medicine physician records list a Hardin practice address
They are 6 of the 60 NPPES records with a Hardin practice address, and 766 family medicine physician records in Montana.
All 6 in Hardin → All 766 in Montana → Every provider in Hardin →
Other family medicine physician records in Montana
- Marc Adams, MDShelby, MT1265449482
- Dale Agner, M.D.Billings, MT1861486490
- Cynthia Alarcon, PA-CHelena, MT1386981686
- Brandon Allen, MDEnnis, MT1215499421
- Hans Amen, D.O.Malmstrom Afb, MT1538426507
- Beth Ammons, MDMissoula, MT1780623926
- Robert Amrine, MDMissoula, MT1366640484
- Bjorn Anderson, DOStevensville, MT1770146037
- Jonathan Anderson, MDKalispell, MT1356397533
- Leah Anderson, M.D.Bozeman, MT1851504195
Common questions
What is David Mark, M.D.'s NPI number?
David Mark, M.D.'s National Provider Identifier (NPI) is 1023166840, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is David Mark, M.D. located?
The NPPES record lists a practice address at 402 N Center Ave, Hardin, MT, 59034. Phone: (406) 655-4103. Providers update this record themselves, so call before visiting.
How can I verify David Mark, M.D.'s license?
NPPES lists Montana license number MED-PHYS-LIC-12540, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David Mark, M.D. prescribe under Medicare Part D?
In 2024, David Mark, M.D. had 111 Medicare Part D claims for 86 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.