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

Mark Kenton Buck, MD

Individual provider Family Medicine Physician · NPI 1801887815

Mark Kenton Buck, MD is a Family Practice in Helena, Montana. Qualified in 1989, 37 years ago. Practices with Benefis Hospitals Inc, a 398-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
37
Licensed in
MT
In the registry since
2005
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

2960 N Washington St
Helena, MT 59602-1210
Phone: (406) 389-2555
Fax: (406) 443-2261
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 2720 Evergreen Dr, Great Falls, MT 59404-3636 — (406) 899-6589
  • 1401 25th St S, Great Falls, MT 59405-5183 — (406) 731-8888

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 8420 (MT)

Record details

NPI number1801887815
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 31, 2005
Last updated in NPPESOctober 7, 2021
Certification dateOctober 7, 2021
Mailing address1401 25th St S, Bmg Admin, Great Falls, MT 59405-5183

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Group practice Benefis Hospitals Inc — 398 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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