Dr. Michael Slimack, D.O.

Orthopedic Surgery
120 procedures 2 hospitals Kenosha, WI

Contact & Location

262-764-5595
Phone: 262-764-5595
Practice phone listed in the NPI registry
7401 104th Ave
Kenosha, WI 53142
NPI: 1356558464
Credentials: D.O.
Active Medicare provider (NPI verified)
19 years of practice experience
Licensed D.O.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
National Comparison by Procedure
Hip 58 vs 36 national avg (4,532 surgeons)
Knee 62 vs 45 national avg (6,599 surgeons)

About Dr. Slimack

Dr. Michael Slimack is a board-certified orthopedic surgeon practicing in Kenosha, Wisconsin. A Medicare provider since 2007, Dr. Slimack performed 62 Medicare-verified knee replacements (#19 in Wisconsin) and 58 hip replacements in the latest annual CMS data, for a combined total of 120 procedures.

In Wisconsin, Dr. Slimack performs above the state average in knee (62 vs 36), well above the state average in hip (58 vs 29).

Dr. Slimack's reported Medicare volume is split between knee replacements (62 cases) and hip replacements (58 cases).

Kenosha is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Kenosha area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Slimack extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 101 to 120 in the most recent data, a 19% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,599 knee replacement surgeons tracked nationally, Dr. Slimack's 62 verified procedures is above the national average of 45.

Verified Medicare Cases

Knee Replacement
62 verified cases
#19 in Wisconsin
Hip Replacement
58 verified cases
#6 in Wisconsin
Estimated total: 320 – 360 procedures (all insurers)
Based on Medicare FFS representing 33–37% of national joint replacement volume
How is this estimated?

Medicare Part B fee-for-service claims represent approximately 33–37% of all joint replacements performed nationally (source: CMS data, AJRR). This range estimates the surgeon's total practice volume across all payers. The verified Medicare count above is the definitive, audited figure.

How Dr. Slimack Compares

Procedure volume compared to the Wisconsin state average.

Hip Very High
58 Avg: 29
Knee High
62 Avg: 36
Dr. Slimack Wisconsin Average

Volume Trend Analysis

Dr. Slimack's Medicare-recorded procedure volume has trended upward over 12 years, increasing 19% from 101 procedures in 2013 to 120 in the most recent data.

Years of Data 12
2024 Volume 120
Peak Volume 127 (2023)
Trend Growing

Hospital Affiliations & Quality

H
Froedtert Pleasant Prairie Hospital
1/5
Pleasant Prairie, WI
Low case volume
H
Aurora Medical Ctr Kenosha
4/5
Kenosha, WI
Low case volume

Quality ratings and complication rates are hospital-level metrics from CMS Hospital Compare and do not reflect individual surgeon performance. Star ratings updated quarterly. Complication data covers a rolling 3-year period.

Patient Resources: Preparing for Knee Replacement

If you are considering knee replacement surgery, these evidence-based guides can help you prepare and recover:

Knee Replacement Recovery Overview

Recovery timelines vary by patient, but here is a general overview of what to expect after knee replacement surgery:

Week 1-2 Walking with assistive device. Knee bending exercises begin immediately. Ice therapy and elevation for swelling control.
Week 3-6 Increased range of motion (target 90 degrees). Walking longer distances. Physical therapy intensifies with strengthening exercises.
Week 7-12 Most patients walk without assistive devices. Resume driving and desk work. Continue PT for strength and flexibility.
Month 4-6 Near-full recovery. Resume most recreational activities. Some swelling and stiffness may persist but continues improving.

Individual recovery varies based on overall health, age, and adherence to physical therapy. View full knee replacement recovery guide and product recommendations

Frequently Asked Questions About Dr. Slimack

How does Dr. Slimack's procedure volume compare to other Wisconsin surgeons?

Dr. Slimack has performed 120 Medicare-verified joint replacement procedures. This is more than 2x the Wisconsin average of 51 procedures per surgeon. Dr. Slimack ranks #11 out of 189 orthopedic surgeons in Wisconsin.

What types of joint replacement does Dr. Slimack perform?

Dr. Slimack's Medicare data shows procedures in knee replacement (62 cases) and hip replacement (58 cases).

How experienced is Dr. Slimack with knee replacement surgery?

Dr. Slimack ranks #19 in Wisconsin for knee replacement with 62 Medicare-verified procedures. This high ranking among 189 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Slimack in Kenosha?

Yes. There are 3 orthopedic surgeons in Kenosha in the current Medicare dataset. Patients can compare procedure volumes and specializations to choose the surgeon who best fits their needs. Use the state page to view all Wisconsin surgeons.

What does the Medicare data for Dr. Slimack represent?

The procedure counts shown are based on the most recent Medicare Part B fee-for-service claims data, published by the Centers for Medicare and Medicaid Services (CMS). This captures approximately 33–37% of all joint replacements performed nationally. Dr. Slimack's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 120 procedures shown here.

Has Dr. Slimack's procedure volume changed over time?

Yes. Dr. Slimack's Medicare-recorded volume has increased from 101 procedures in 2013 to 120 in the most recent data, a 19% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 127 procedures in 2023.

Does Dr. Slimack perform more than one type of joint replacement?

Yes. Dr. Slimack's Medicare data shows procedures in knee replacement (62 cases), hip replacement (58 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Slimack affiliated with?

According to CMS facility affiliation data, Dr. Slimack is affiliated with Froedtert Pleasant Prairie Hospital, Aurora Medical Ctr Kenosha.

How does Dr. Slimack compare to other orthopedic surgeons in Kenosha?

Among the 3 orthopedic surgeons in Kenosha, Dr. Slimack ranks #1 by total Medicare procedure volume. Dr. Slimack has the highest verified Medicare volume in the city.

What are the quality ratings for hospitals where Dr. Slimack practices?

Froedtert Pleasant Prairie Hospital (1 out of 5 CMS stars, insufficient case volume for complication rate comparison); Aurora Medical Ctr Kenosha (4 out of 5 CMS stars, insufficient case volume for complication rate comparison). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.

Other Orthopedic Surgeons in Kenosha, Wisconsin

Dr. Slimack's 120 Medicare procedures are above the Kenosha average of 62. The table below compares verified procedure volumes for orthopedic surgeons practicing in Kenosha.

SurgeonProceduresSpecialties
Dr. William Lutes 54 Hip, Knee
Dr. Joshua Gershtenson 12 Shoulder

Patient Resources & Verification

Research reviews, verify credentials, and check official quality data through these trusted sources:

Medicare Care Compare and NPI Registry are official U.S. government sources. Google reviews reflect user-submitted feedback. OrthoProcedures.com does not verify the accuracy of third-party review content.

Cite This Data

APA: OrthoProcedures. (2026). Dr. Michael Slimack, D.O. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/wi/dr-michael-slimack-kenosha.html

Link: https://orthoprocedures.com/surgeons/wi/dr-michael-slimack-kenosha.html

Data source: CMS Medicare Part B Provider Utilization & Payment Data. Full methodology | Open Data API

Important: Rankings are based solely on Medicare procedure volume and do not reflect quality of care, patient outcomes, or procedures covered by private insurance. This data represents approximately one-third to 40% of all joint replacement procedures nationwide. Always consult with healthcare providers to make informed decisions about your care.