#80 in Wisconsin
Hip

Dr. John Nettrour, M.D.

Orthopedic Surgery
18 procedures 2 hospitals Milwaukee, WI
Latest available Medicare data — updated April 2026
Hip replacement recovery kit Essentials every patient wishes they bought first
National Comparison by Procedure
Hip 18 vs 36 avg (4,526 surgeons)

Dr. John Nettrour is a board-certified orthopedic surgeon practicing in Milwaukee, Wisconsin. Dr. Nettrour has performed 18 Medicare-verified hip replacements, ranking #80 in Wisconsin.

In Wisconsin, Dr. Nettrour performs below average in hip (18 vs 29 avg).

Dr. Nettrour's Medicare data shows a focused hip replacement practice with 18 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.

Milwaukee is home to 18 orthopedic surgeons in the current Medicare dataset. Patients in the Milwaukee area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Nettrour's Medicare data spans 7 years, beginning in 2013. Volume peaked at 100 procedures in 2014 before settling at 18 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Dr. Nettrour's 18 hip replacement procedures is below the national average of 36 among 4,526 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Hip Replacement
18 verified cases
#80 in Wisconsin
Estimated total: 50 – 50 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. Nettrour Compares

Procedure volume compared to the Wisconsin state average.

Hip Below Avg
18 Avg: 29
Dr. Nettrour Wisconsin Average

Contact & Location

9200 W Wisconsin Ave
Milwaukee, WI 53226
NPI: 1457355810
Credentials: M.D.
Active Medicare provider
Find Practice on Google Maps

Volume Trend Analysis

Dr. Nettrour's recorded volume peaked at 100 procedures in 2014 and stood at 18 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 7
2023 Volume 18
Peak Volume 100 (2014)
Trend Declining

Hospital Affiliations & Quality

H
Froedtert Memorial Lutheran Hospital
★★★★☆
Milwaukee, WI
Low case volume
H
Froedtert Menomonee Falls Hospital
★★★☆☆
Menomonee Falls, WI
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.

Hip Replacement Recovery Overview

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

Week 1-2 Walking with assistive device (walker or cane). Gentle range-of-motion exercises begin. Most patients can manage basic self-care.
Week 3-6 Transition to walking independently. Resume driving short distances. Physical therapy focuses on strength and balance.
Week 7-12 Return to most daily activities and light exercise. Stair climbing improves. Many patients return to desk work.
Month 4-6 Full recovery for most patients. Resume recreational activities, golf, swimming, and low-impact exercise.

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

Frequently Asked Questions About Dr. Nettrour

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

Dr. Nettrour has performed 18 Medicare-verified joint replacement procedures. The Wisconsin average is 52 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Nettrour ranks #147 out of 185 orthopedic surgeons in Wisconsin.

What types of joint replacement does Dr. Nettrour perform?

Dr. Nettrour's reported Medicare volume is focused on hip replacement, with 18 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Nettrour in Milwaukee?

Yes. There are 18 orthopedic surgeons in Milwaukee 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. Nettrour 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. Nettrour's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 18 procedures shown here.

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

Dr. Nettrour's Medicare-recorded volume peaked at 100 procedures in 2014 and was 18 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.

Which hospitals is Dr. Nettrour affiliated with?

According to CMS facility affiliation data, Dr. Nettrour is affiliated with Froedtert Memorial Lutheran Hospital, Froedtert Menomonee Falls Hospital.

How does Dr. Nettrour compare to other orthopedic surgeons in Milwaukee?

Among the 18 orthopedic surgeons in Milwaukee, Dr. Nettrour ranks #16 by total Medicare procedure volume. The highest-volume surgeon in Milwaukee has 191 verified Medicare procedures.

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

Froedtert Memorial Lutheran Hospital (4 out of 5 CMS stars, insufficient case volume for complication rate comparison); Froedtert Menomonee Falls Hospital (3 out of 5 CMS stars, 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 Milwaukee, Wisconsin

Dr. Nettrour's 18 Medicare procedures are below the Milwaukee average of 79. The table below compares verified procedure volumes for orthopedic surgeons practicing in Milwaukee.

SurgeonProceduresSpecialties
Dr. Christopher Evanich 191 Hip, Knee
Dr. Nicholas Webber 141 Hip, Knee
Dr. Navjot Kohli 64 Knee, Shoulder
Dr. Edward Nelsen-Freund 55 Hip, Knee
Dr. Patrick Jost 47 Hip, Knee
Dr. Brent Witten 38 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. John Nettrour, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/wi/dr-john-nettrour-milwaukee.html

Link: https://orthoprocedures.com/surgeons/wi/dr-john-nettrour-milwaukee.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.