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

Mark Steven Ostahowski, MD

Individual provider Family Medicine Physician · NPI 1184719601

Mark Steven Ostahowski, MD is a Family Medicine Physician in Midland, Michigan. Licensed in Michigan. Registered with an NPI since 2006.

Licensed in
MI
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

920 W Wackerly St
Midland, MI 48640
Phone: (989) 839-9937
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence MO048872 (MI)

Record details

NPI number1184719601
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 3, 2006
Last updated in NPPESJuly 21, 2022

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