#20 in South Dakota
Knee

Dr. Evan Hermanson, M.D.

Orthopedic Surgery
37 procedures 2 hospitals Sioux Falls, SD
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 37 vs 45 avg (6,720 surgeons)

Dr. Evan Hermanson is a board-certified orthopedic surgeon practicing in Sioux Falls, South Dakota. Dr. Hermanson has performed 37 Medicare-verified knee replacements, ranking #20 in South Dakota.

In South Dakota, Dr. Hermanson performs near average in knee (37 vs 45 avg).

Dr. Hermanson's Medicare data shows a focused knee replacement practice with 37 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.

Sioux Falls is home to 20 orthopedic surgeons in the current Medicare dataset. Patients in the Sioux Falls area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs. Dr. Hermanson also maintains hospital privileges in SD and MN, indicating a regional practice that extends beyond South Dakota.

Dr. Hermanson's Medicare record spans 11 years from 2013 through 2023. Procedure volume has remained consistent during that period, ranging from 19 to 37 procedures per year, reflecting a steady joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Hermanson's 37 verified procedures is near the national average of 45.

Verified Medicare Cases

Knee Replacement
37 verified cases
#20 in South Dakota
Estimated total: 100 – 110 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. Hermanson Compares

Procedure volume compared to the South Dakota state average.

Knee Average
37 Avg: 45
Dr. Hermanson South Dakota Average

Contact & Location

810 E 23rd St
Sioux Falls, SD 57105
NPI: 1316039589
Credentials: M.D.
Active Medicare provider
Find Practice on Google Maps

Volume Trend Analysis

Dr. Hermanson's procedure volume has been consistent across 11 years of Medicare data, ranging from 19 to 37 procedures per year. This stability suggests a well-established joint replacement practice.

Years of Data 11
2023 Volume 37
Peak Volume 37 (2023)
Trend Stable

Hospital Affiliations & Quality

H
Sioux Falls Specialty Hospital Llp
Sioux Falls, SD
Similar to national avg
H
Avera Marshall Regional Medical Ctr
Marshall, MN
Similar to national avg

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. Hermanson

How does Dr. Hermanson's procedure volume compare to other South Dakota surgeons?

Dr. Hermanson has performed 37 Medicare-verified joint replacement procedures. The South Dakota average is 72 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Hermanson ranks #37 out of 51 orthopedic surgeons in South Dakota.

What types of joint replacement does Dr. Hermanson perform?

Dr. Hermanson's reported Medicare volume is focused on knee replacement, with 37 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

How experienced is Dr. Hermanson with knee replacement surgery?

Dr. Hermanson ranks #20 in South Dakota for knee replacement with 37 Medicare-verified procedures. This high ranking among 51 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Hermanson in Sioux Falls?

Yes. There are 20 orthopedic surgeons in Sioux Falls 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 South Dakota surgeons.

What does the Medicare data for Dr. Hermanson 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. Hermanson's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 37 procedures shown here.

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

Dr. Hermanson's procedure volume has been relatively stable over 11 years of Medicare data, ranging from 19 to 37 procedures per year between 2013 and 2023. Consistent volume over multiple years reflects a steady joint replacement practice.

Which hospitals is Dr. Hermanson affiliated with?

According to CMS facility affiliation data, Dr. Hermanson is affiliated with Sioux Falls Specialty Hospital Llp, Avera Marshall Regional Medical Ctr. Dr. Hermanson maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.

How does Dr. Hermanson compare to other orthopedic surgeons in Sioux Falls?

Among the 20 orthopedic surgeons in Sioux Falls, Dr. Hermanson ranks #17 by total Medicare procedure volume. The highest-volume surgeon in Sioux Falls has 336 verified Medicare procedures.

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

Sioux Falls Specialty Hospital Llp (hip/knee complication rate similar to national average); Avera Marshall Regional Medical Ctr (hip/knee complication rate similar to national average). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.

Other Orthopedic Surgeons in Sioux Falls, South Dakota

Dr. Hermanson's 37 Medicare procedures are below the Sioux Falls average of 158. The table below compares verified procedure volumes for orthopedic surgeons practicing in Sioux Falls.

SurgeonProceduresSpecialties
Dr. Michael Adler 336 Hip, Knee
Dr. Corey Rothrock 227 Hip, Knee
Dr. Timothy Walker 164 Hip, Knee
Dr. Travis Liddell 126 Hip, Knee, Shoulder
Dr. Joshua Johnson 114 Hip, Knee
Dr. Carl Bechtold 104 Hip, Knee

Patient Reviews & Ratings

OrthoProcedures.com focuses on verified Medicare procedure data. For patient reviews, ratings, and appointment scheduling, visit these trusted platforms:

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. Evan Hermanson, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/sd/dr-evan-hermanson-sioux-falls.html

Link: https://orthoprocedures.com/surgeons/sd/dr-evan-hermanson-sioux-falls.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.