Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. David Andrew Mark, MD

Individual provider Family Medicine Physician · NPI 1023166840

Dr. David Andrew Mark, MD is a Family Medicine Physician in Hardin, Montana. Works from 2 locations. Licensed in Montana.

Licensed in
MT
In the registry since
2007
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

402 N Center Ave
Hardin, MT 59034-1808
Phone: (406) 655-4103
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 10 West 4th Street, Hardin, MT 59034-1804 — (406) 623-9330

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MED-PHYS-LIC-12540 (MT)
Family Medicine Physician Taxonomy 207Q00000X · Licence MED-PHYS-LIC-12540 (MT)
Pediatrics Physician Taxonomy 208000000X · Licence MED-PHYS-LIC-12540 (MT)

Record details

NPI number1023166840
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 8, 2007
Last updated in NPPESJuly 27, 2026
Certification dateJuly 27, 2026
Mailing address402 N Center Ave, Hardin, MT 59034-1808

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