Dr. Nathan Kopydlowski, M.D.

Orthopedic Surgery
17 procedures 2 hospitals Grafton, WI
Latest available Medicare data — updated April 2026

Contact & Location

975 Port Washington Rd
Grafton, WI 53024
NPI: 1255712741
Credentials: M.D.
Active Medicare provider
Find Practice on Google Maps
Shoulder replacement recovery kit Slings, cold therapy, and adaptive clothing for recovery
National Comparison by Procedure
Shoulder 17 vs 29 avg (2,213 surgeons)

Dr. Nathan Kopydlowski is a board-certified orthopedic surgeon practicing in Grafton, Wisconsin. Dr. Kopydlowski has performed 17 Medicare-verified shoulder replacements, ranking #23 in Wisconsin.

In Wisconsin, Dr. Kopydlowski performs below average in shoulder (17 vs 25 avg).

Dr. Kopydlowski's Medicare data shows a focused shoulder replacement practice with 17 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.

Grafton is home to 6 orthopedic surgeons in the current Medicare dataset. Patients in the Grafton area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Kopydlowski first appears in the Medicare dataset in 2021. With 2 years of recorded data, the longitudinal trend is still developing.

Dr. Kopydlowski's 17 shoulder replacement procedures is below the national average of 29 among 2,213 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Shoulder Replacement
17 verified cases
#23 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. Kopydlowski Compares

Procedure volume compared to the Wisconsin state average.

Shoulder Below Avg
17 Avg: 25
Dr. Kopydlowski Wisconsin Average

Volume Trend Analysis

Dr. Kopydlowski has 2 years of Medicare procedure data beginning in 2021. Additional years of data will provide a clearer picture of volume trends.

Years of Data 2
2024 Volume 17
Peak Volume 17 (2024)
Trend Developing

Hospital Affiliations & Quality

H
Aurora Medical Center
5/5
Grafton, WI
Similar to national avg
H
Aurora Medical Ctr Washington County
4/5
Hartford, 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 Shoulder Replacement

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

Shoulder Replacement Recovery Overview

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

Week 1-3 Arm in a sling for protection. Gentle pendulum exercises under therapist guidance. Focus on pain management and wound care.
Week 4-6 Gradual sling weaning. Begin passive and active-assisted range-of-motion exercises. Light daily activities resume.
Week 7-12 Active range-of-motion exercises. Light strengthening begins. Most patients can drive and perform desk work.
Month 4-6 Progressive strengthening continues. Return to most activities. Full recovery may take 6-12 months for complete shoulder strength.

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

Frequently Asked Questions About Dr. Kopydlowski

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

Dr. Kopydlowski has performed 17 Medicare-verified joint replacement procedures. The Wisconsin average is 51 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Kopydlowski ranks #149 out of 189 orthopedic surgeons in Wisconsin.

What types of joint replacement does Dr. Kopydlowski perform?

Dr. Kopydlowski's reported Medicare volume is focused on shoulder replacement, with 17 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Kopydlowski in Grafton?

Yes. There are 6 orthopedic surgeons in Grafton 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. Kopydlowski 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. Kopydlowski's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 17 procedures shown here.

Which hospitals is Dr. Kopydlowski affiliated with?

According to CMS facility affiliation data, Dr. Kopydlowski is affiliated with Aurora Medical Center, Aurora Medical Ctr Washington County.

How does Dr. Kopydlowski compare to other orthopedic surgeons in Grafton?

Among the 6 orthopedic surgeons in Grafton, Dr. Kopydlowski ranks #4 by total Medicare procedure volume. The highest-volume surgeon in Grafton has 79 verified Medicare procedures.

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

Aurora Medical Center (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Aurora Medical Ctr Washington County (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 Grafton, Wisconsin

Dr. Kopydlowski's 17 Medicare procedures are below the Grafton average of 31. The table below compares verified procedure volumes for orthopedic surgeons practicing in Grafton.

SurgeonProceduresSpecialties
Dr. Stephen Kurtin 79 Hip, Knee
Dr. Michael Anderson 44 Hip, Knee
Dr. Rafael Walker -Santiago 20 Hip
Dr. Matthew Wichman 12 Hip
Dr. Omar Darr 11 Knee

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. Nathan Kopydlowski, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/wi/dr-nathan-kopydlowski-grafton.html

Link: https://orthoprocedures.com/surgeons/wi/dr-nathan-kopydlowski-grafton.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.