AARON M.K. BUTLER M.D.
NPI 1962450775
Orthopaedic Surgery in Tomah, WI

Active since May 04, 2006PECOS EnrolledAccepts Medicare Assignment
1330 N SUPERIOR AVE, TOMAH, WI 54660(608) 372-4111 Get Directions Write a Review

NPPES record last updated: February 1, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Aaron M.k. Butler M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

AARON M.K. BUTLER M.D. (NPI 1962450775) is an individual orthopaedic surgery provider in Tomah, Wisconsin, licensed in Wisconsin (45054) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Gundersen Lutheran Medical Center, and is a graduate of University Of Wisconsin School Of Medicine (1997).

NPPES Registry Identity

NPI1962450775
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameAARON M.K. BUTLERCredential: M.D.
Location Address1330 N SUPERIOR AVETomah, WI 54660-1130
Mailing Address1836 South AveLa Crosse, WI 54601-5429 · (608) 782-7300
Sole ProprietorNo
Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 1997
Enumeration DateMay 4, 2006
Last NPPES UpdateFebruary 1, 2017
✔ NPI 1962450775 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
Licenses✔ Licensed in WI · 45054✔ Licensed in MN · 100241
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
1330 N SUPERIOR AVE, Tomah, WI 54660

Other Identifiers 3

Medicaid097704700MN
Medicare UPINH64659MN
Medicare ID-Type Unspecified20001929MN

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Aaron M.k. Butler M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4385543149
PECOS Enrollment IDI20040214000173
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

6

Medicare enrollment records show Aaron Butler reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Critical Access
501 GOPHER DR
Tomah, WI 54660
  • Reassigned Medicare billing, Wisconsin enrollment
  • 249 clinicians in this Medicare group
Clinic/Center
505 GOPHER DR
Tomah, WI 54660
  • Reassigned Medicare billing, Wisconsin enrollment
  • 928 clinicians in this Medicare group
Clinic/Center
1705 OMAHA ST
Elroy, WI 53929
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: St Josephs Health Services Inc
  • 282 clinicians in this Medicare group
Critical Access
402 W LAKE ST
Friendship, WI 53934
  • Reassigned Medicare billing, Wisconsin enrollment
  • 280 clinicians in this Medicare group
Clinic/Center
3111 GUNDERSEN DR
Onalaska, WI 54650
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,457 clinicians in this Medicare group
Rural Health
420 S PETERSON AVE
Blair, WI 54616
  • Reassigned Medicare billing, Wisconsin enrollment
  • Also billed through NPI 1124063573 (Wisconsin)
  • 293 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
140 services98 patients
X-ray of knee, 3 views 73562
An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.
93 services71 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
60 services56 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
52 services30 patients
X-ray of knee, 4 or more views 73564
An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.
49 services33 patients
Replacement of knee joint, both sides of knee 27447
A bilateral knee joint replacement is a procedure where the damaged parts of both your knee joints are replaced with artificial parts. It aims to relieve pain and improve mobility. The process involves a surgical operation under anesthesia.
34 services32 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Gundersen Lutheran Medical Center

Acute Care Hospitals · La Crosse, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520087
Location1910 South AveLa Crosse, WI 54601 · La Crosse County
Emergency services Birthing friendly

Gundersen Tri-County Hospital & Clinics

Critical Access Hospitals · Whitehall, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521316
Location18601 Lincoln StWhitehall, WI 54773 · Trempealeau County
Emergency services

Tomah Memorial Hospital

Critical Access Hospitals · Tomah, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521320
Location501 Gopher DrTomah, WI 54660 · Monroe County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54660 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant (Medical)
1330 N SUPERIOR AVE
TOMAH, WI 54660
Advanced Practice Midwife
1330 N SUPERIOR AVE
TOMAH, WI 54660
Family Medicine
1330 N SUPERIOR AVE
TOMAH, WI 54660
Dietitian, Registered
1330 N SUPERIOR AVE
TOMAH, WI 54660
Family Medicine
1330 N SUPERIOR AVE
TOMAH, WI 54660
Optometrist
1330 N SUPERIOR AVE
TOMAH, WI 54660
Obstetrics & Gynecology
1330 N SUPERIOR AVE
TOMAH, WI 54660
Nurse Practitioner (Family)
1330 N SUPERIOR AVE
TOMAH, WI 54660

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Aaron Butler's NPI number?

The NPI number for Aaron Butler is 1962450775. It was assigned to this individual provider in the NPPES registry on May 4, 2006.

Where is Aaron Butler located?

Aaron Butler practices at 1330 N Superior Ave, Tomah, WI 54660. The listed phone number is (608) 372-4111.

What is Aaron Butler's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Aaron Butler enrolled in Medicare?

Yes. Aaron Butler is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Aaron Butler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Butler reassigns Medicare benefits to 6 organizations: Tomah Memorial Hospital Inc (Tomah, WI), Gundersen Clinic, Ltd. (Tomah, WI), St. Joseph's Health Services, Inc. (Elroy, WI), Moundview Memorial Hospital & Clinics, Inc (Friendship, WI), Gundersen Lutheran Medical Center, Inc (Onalaska, WI) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Aaron Butler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Aaron Butler accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, HealthPartners and Quartz list Aaron Butler as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Aaron Butler affiliated with any hospitals?

According to CMS data, Aaron Butler is affiliated with Gundersen Lutheran Medical Center, Gundersen Tri-County Hospital & Clinics and Tomah Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Aaron Butler was last updated on February 1, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.