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

Mark D Harding, MD

Individual provider Emergency Medicine Physician · NPI 1821042466

Mark D Harding, MD is an Emergency Medicine in Ronan, Montana. Graduated from Loma Linda University School of Medicine in 1990, 36 years ago. Practices with St Johns Lutheran Hospital Inc, a 35-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
36
Trained at
Loma Linda University School of Medicine
Licensed in
MT
In the registry since
2006
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

107 6th Ave SW
Ronan, MT 59864-2634
Phone: (406) 676-4441
Fax: (406) 676-0835
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 8030 (MT)

Record details

NPI number1821042466
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 19, 2006
Last updated in NPPESJune 19, 2013
Mailing address107 6th Ave Sw, Ronan, MT 59864-2634

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Group practice St Johns Lutheran Hospital Inc — 35 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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