#64 in Iowa
Knee

Dr. Kevin Liudahl, MD

Orthopedic Surgery
32 procedures Sioux City, IA
Latest available Medicare data — updated April 2026
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Knee 32 vs 45 avg (6,720 surgeons)

Dr. Kevin Liudahl is a board-certified orthopedic surgeon practicing in Sioux City, Iowa. A Medicare provider since 2006, Dr. Liudahl has performed 32 Medicare-verified knee replacements, ranking #64 in Iowa.

In Iowa, Dr. Liudahl performs below average in knee (32 vs 50 avg).

Dr. Liudahl's Medicare data shows a focused knee replacement practice with 32 verified procedures. Surgeons who concentrate on a single procedure type often develop deep procedural expertise, though total practice volume may include additional procedures not captured in Medicare fee-for-service data.

Dr. Liudahl is the only orthopedic surgeon in Sioux City represented in the current Medicare dataset, serving as the primary local option for patients considering joint replacement surgery in the area.

Dr. Liudahl's Medicare data spans 11 years, beginning in 2013. Volume peaked at 80 procedures in 2013 before settling at 32 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Dr. Liudahl's 32 knee replacement procedures is below the national average of 45 among 6,720 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Knee Replacement
32 verified cases
#64 in Iowa
Estimated total: 90 – 100 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. Liudahl Compares

Procedure volume compared to the Iowa state average.

Knee Below Avg
32 Avg: 50
Dr. Liudahl Iowa Average

Contact & Location

Phone: 712-224-8677
2800 Pierce St
Sioux City, IA 51104
NPI: 1336243542
Credentials: MD
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed MD
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Liudahl's recorded volume peaked at 80 procedures in 2013 and stood at 32 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 11
2023 Volume 32
Peak Volume 80 (2013)
Trend Declining

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. Liudahl

How does Dr. Liudahl's procedure volume compare to other Iowa surgeons?

Dr. Liudahl has performed 32 Medicare-verified joint replacement procedures. The Iowa average is 73 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Liudahl ranks #88 out of 114 orthopedic surgeons in Iowa.

What types of joint replacement does Dr. Liudahl perform?

Dr. Liudahl's reported Medicare volume is focused on knee replacement, with 32 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Where is Dr. Liudahl's practice located?

Dr. Liudahl practices in Sioux City, Iowa. The office is located at 2800 Pierce St, Sioux City, IA 51104. Patients in the surrounding area can consult Dr. Liudahl for joint replacement evaluation.

What does the Medicare data for Dr. Liudahl 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. Liudahl's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 32 procedures shown here.

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

Dr. Liudahl's Medicare-recorded volume peaked at 80 procedures in 2013 and was 32 in the most recent data. Volume fluctuations can reflect changes in payer mix, practice focus, or Medicare reporting rather than a change in overall surgical activity.

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. Kevin Liudahl, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ia/dr-kevin-liudahl-sioux-city.html

Link: https://orthoprocedures.com/surgeons/ia/dr-kevin-liudahl-sioux-city.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.