#6 Knee
#9 Hip

Dr. Michael Lamson, M.D.

Orthopedic Surgery
168 procedures 5 hospitals Prairie Du Sac, WI
Latest available Medicare data — updated April 2026
Rising Star Top 10% Nationally
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Hip 60 vs 36 avg (4,526 surgeons)
Knee 108 vs 45 avg (6,720 surgeons)

Dr. Michael Lamson is a board-certified orthopedic surgeon practicing in Prairie Du Sac, Wisconsin. Dr. Lamson has performed 108 Medicare-verified knee replacements (#6 in Wisconsin) and 60 hip replacements, for a combined total of 168 procedures.

In Wisconsin, Dr. Lamson performs well above average in knee (108 vs 37 avg), well above average in hip (60 vs 29 avg).

Dr. Lamson's reported Medicare volume is split between knee replacements (108 cases) and hip replacements (60 cases).

Prairie Du Sac is home to 4 orthopedic surgeons in the current Medicare dataset. Patients in the Prairie Du Sac area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Lamson extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 130 to 168 in the most recent data, a 29% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Lamson's 108 verified procedures is more than 2x the national average of 45.

Verified Medicare Cases

Knee Replacement
108 verified cases
#6 in Wisconsin
Hip Replacement
60 verified cases
#9 in Wisconsin
Estimated total: 450 – 510 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. Lamson Compares

Procedure volume compared to the Wisconsin state average.

Hip Very High
60 Avg: 29
Knee Very High
108 Avg: 37
Dr. Lamson Wisconsin Average

Contact & Location

260 26th St
Prairie Du Sac, WI 53578
NPI: 1265418115
Credentials: M.D.
Active Medicare provider
Find Practice on Google Maps

Volume Trend Analysis

Dr. Lamson's Medicare-recorded procedure volume has trended upward over 11 years, increasing 29% from 130 procedures in 2013 to 168 in the most recent data.

Years of Data 11
2023 Volume 168
Peak Volume 168 (2023)
Trend Growing

Hospital Affiliations & Quality

H
Sauk Prairie Hospital
★★★★★
Prairie Du Sac, WI
Similar to national avg
H
Ssm Health St Clare Hospital - Baraboo
★★★★☆
Baraboo, WI
Low case volume
H
Unitypoint Health - Meriter
★★★★☆
Madison, WI
Low case volume
H
Aspirus Divine Savior Hospital
★★★☆☆
Portage, WI
Low case volume
H
Richland Hospital
★★★★☆
Richland Center, 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.

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. Lamson

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

Dr. Lamson has performed 168 Medicare-verified joint replacement procedures. This is more than 3x the Wisconsin average of 52 procedures per surgeon. Dr. Lamson ranks #5 out of 185 orthopedic surgeons in Wisconsin.

What types of joint replacement does Dr. Lamson perform?

Dr. Lamson's Medicare data shows procedures in knee replacement (108 cases) and hip replacement (60 cases).

How experienced is Dr. Lamson with knee replacement surgery?

Dr. Lamson ranks #6 in Wisconsin for knee replacement with 108 Medicare-verified procedures. This high ranking among 185 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Lamson in Prairie Du Sac?

Yes. There are 4 orthopedic surgeons in Prairie Du Sac 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. Lamson 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. Lamson's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 168 procedures shown here.

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

Yes. Dr. Lamson's Medicare-recorded volume has increased from 130 procedures in 2013 to 168 in the most recent data, a 29% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 168 procedures in 2023.

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

Yes. Dr. Lamson's Medicare data shows procedures in knee replacement (108 cases), hip replacement (60 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Lamson affiliated with?

According to CMS facility affiliation data, Dr. Lamson is affiliated with Sauk Prairie Hospital, Ssm Health St Clare Hospital - Baraboo, Unitypoint Health - Meriter, Aspirus Divine Savior Hospital, Richland Hospital.

How does Dr. Lamson compare to other orthopedic surgeons in Prairie Du Sac?

Among the 4 orthopedic surgeons in Prairie Du Sac, Dr. Lamson ranks #1 by total Medicare procedure volume. Dr. Lamson has the highest verified Medicare volume in the city.

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

Sauk Prairie Hospital (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Ssm Health St Clare Hospital - Baraboo (4 out of 5 CMS stars, insufficient case volume for complication rate comparison); Unitypoint Health - Meriter (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 Prairie Du Sac, Wisconsin

Dr. Lamson's 168 Medicare procedures are above the Prairie Du Sac average of 110. The table below compares verified procedure volumes for orthopedic surgeons practicing in Prairie Du Sac.

SurgeonProceduresSpecialties
Dr. David Marcu 109 Hip, Knee, Shoulder
Dr. Matthew Hebert 102 Hip, Knee
Dr. Andrew Ertl 60 Knee

Patient Reviews & Ratings

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These links lead to third-party websites. OrthoProcedures.com is not affiliated with these platforms and cannot verify the accuracy of reviews.

Cite This Data

APA: OrthoProcedures. (2026). Dr. Michael Lamson, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/wi/dr-michael-lamson-prairie-du-sac.html

Link: https://orthoprocedures.com/surgeons/wi/dr-michael-lamson-prairie-du-sac.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.