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

Mark K Olgaard, DO

Individual provider Family Medicine Physician · NPI 1811985658

Mark K Olgaard, DO is a Family Medicine Physician in Au Gres, Michigan. Licensed in Michigan. Registered with an NPI since 2005.

Licensed in
MI
In the registry since
2005
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

302 S Main St
Au Gres, MI 48703-8700
Phone: (989) 876-7104
Fax: (989) 876-2881
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 5101008757 (MI)

Record details

NPI number1811985658
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedOctober 6, 2005
Last updated in NPPESJuly 13, 2026
Mailing addressPo Box 779, Tawas City, MI 48764-0779

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