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

Mark Alan Midthun, MD

Individual provider Psychiatry Physician · NPI 1487721791

Mark Alan Midthun, MD is a Psychiatry in LA Crosse, Wisconsin. Graduated from University of Iowa, Rj & L Carver College of Medicine in 1989, 37 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Minnesota, South Dakota and Wisconsin.

Years since qualifying
37
Trained at
University of Iowa, Rj & L Carver College of Medicine
Licensed in
MN, SD, WI
In the registry since
2006
Specialties on file
3
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

3626 E Ave S Ste 2A
LA Crosse, WI 54601-7221
Phone: (608) 787-6411
Fax: (608) 787-6414
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 50549-020 (WI)
Psychiatry Physician Taxonomy 2084P0800X · Licence 49571 (MN)
Psychiatry Physician Taxonomy 2084P0800X · Licence 3717 (SD)

Record details

NPI number1487721791
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 29, 2006
Last updated in NPPESMarch 30, 2020
Certification dateMarch 30, 2020
Mailing addressW6602 Schilling Rd, Unit C, Onalaska, WI 54650-9341

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolUNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated 1989 (37 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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