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

Aaron T. Olson, MD

Individual provider Family Medicine Physician · NPI 1316156227

Aaron T. Olson, MD is a Family Practice in Onalaska, Wisconsin. Graduated from Medical College of Wisconsin in 2005, 21 years ago. Practices with Mayo Clinic Health System-Southwest Wisconsin Region Inc, a 552-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Iowa and Wisconsin.

Years since qualifying
21
Trained at
Medical College of Wisconsin
Licensed in
IA, WI
In the registry since
2007
Specialties on file
3
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

3111 Gundersen Dr
Onalaska, WI 54650
Phone: (608) 775-8100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 420 Dewey St, Wisconsin Rapids, WI 54494-4714 — (715) 421-7474

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 54782 (WI)
Family Medicine Physician Taxonomy 207Q00000X · Licence R-7919 (IA)
Family Medicine Physician Taxonomy 207Q00000X · Licence 37836 (IA)

Record details

NPI number1316156227
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 21, 2007
Last updated in NPPESDecember 4, 2020
Certification dateDecember 4, 2020
Mailing address1836 South Ave, La Crosse, WI 54601-5429

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 2005 (21 years in practice)
Group practice Mayo Clinic Health System-Southwest Wisconsin Region Inc — 552 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Onalaska