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

Aaron M.k. Butler, MD

Individual provider Orthopaedic Surgery Physician · NPI 1962450775

Aaron M.k. Butler, MD is an Orthopedic Surgery in Tomah, Wisconsin. Graduated from University of Wisconsin School of Medicine in 1997, 29 years ago. Practices with Gundersen Clinic Ltd, a 427-clinician group and accepts Medicare assignment. Licensed in Minnesota and Wisconsin.

Years since qualifying
29
Trained at
University of Wisconsin School of Medicine
Licensed in
MN, WI
In the registry since
2006
Specialties on file
2
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

1330 N Superior Ave
Tomah, WI 54660-1130
Phone: (608) 372-4111
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 45054 (WI)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence 100241 (MN)

Record details

NPI number1962450775
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 4, 2006
Last updated in NPPESFebruary 1, 2017

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 1997 (29 years in practice)
Group practice Gundersen Clinic Ltd — 427 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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