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

Mark S Ibsen, MD

Individual provider Emergency Medical Services (Emergency Medicine) Physician · NPI 1255378824

Mark S Ibsen, MD is an Emergency Medical Services (Emergency Medicine) Physician in Helena, Montana. Practices as a sole proprietor. Licensed in Montana.

Licensed in
MT
In the registry since
2006
Specialties on file
2
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

39 Neill Ave
Helena, MT 59601-3330
Phone: (406) 513-1052
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medical Services (Emergency Medicine) Physician (primary) Taxonomy 207PE0004X · Licence 7378 (MT)
Family Medicine Physician Taxonomy 207Q00000X · Licence 7378 (MT)

Record details

NPI number1255378824
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 1, 2006
Last updated in NPPESOctober 3, 2012
Mailing address39 Neill Avenue, Helena, MT 59601

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