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

Individual provider Optometrist · NPI 1245294784

Dr. Michael Woltman Ohlson, OD is an Optometry in Marshall, Minnesota. Graduated from University of Houston - College of Optometry in 1986, 40 years ago. Practices with Avera Marshall, a 100-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Iowa and Minnesota.

Years since qualifying
40
Trained at
University of Houston - College of Optometry
Licensed in
IA, MN
In the registry since
2006
Specialties on file
2
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

300 S Bruce St
Marshall, MN 56258
Phone: (507) 537-1427
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 104 N Walnut St, West Union, IA 52175-1347 — (563) 422-6085

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 3529 (MN)
Optometrist Taxonomy 152W00000X · Licence 1919 (IA)

Record details

NPI number1245294784
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedApril 13, 2006
Last updated in NPPESNovember 19, 2019

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolUNIVERSITY OF HOUSTON - COLLEGE OF OPTOMETRY
Graduated 1986 (40 years in practice)
Group practice Avera Marshall — 100 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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