Dr. Chad Zehms, MD
Contact & Location
Green Bay, WI 54311
Dr. Chad Zehms is a board-certified orthopedic surgeon practicing in Green Bay, Wisconsin. A Medicare provider since 2006, Dr. Zehms has completed 33 hip replacements (#33 in Wisconsin), 24 shoulder replacements, and 15 knee replacements, totaling 72 Medicare-verified procedures.
In Wisconsin, Dr. Zehms performs near average in hip (33 vs 29 avg), near average in shoulder (24 vs 25 avg), below average in knee (15 vs 36 avg).
Dr. Zehms performs all three major joint replacement procedures — hip, knee, and shoulder — indicating a broad scope of orthopedic practice. The largest share is hip replacements (33 cases), followed by shoulder replacements (24) and knee replacements (15).
Beyond general orthopedic surgery, Dr. Zehms holds additional credentials in Sports Medicine, reflecting subspecialty training that may benefit patients with complex joint conditions.
Green Bay is home to 19 orthopedic surgeons in the current Medicare dataset. Patients in the Green Bay area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Zehms extend back to 2019, covering 6 years of data. Over that period, recorded procedure volume increased from 57 to 72 in the most recent data, a 26% increase. This sustained growth reflects an expanding joint replacement practice.
Among 4,532 hip replacement surgeons tracked nationally, Dr. Zehms's 33 verified procedures is near the national average of 36.
Verified Case Volume Trends (2013-Current)
Verified Medicare Cases
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. Zehms Compares
Procedure volume compared to the Wisconsin state average.
Volume Trend Analysis
Dr. Zehms's Medicare-recorded procedure volume has trended upward over 6 years, increasing 26% from 57 procedures in 2019 to 72 in the most recent data.
Hospital Affiliations & Quality
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 Hip Replacement
If you are considering hip replacement surgery, these evidence-based guides can help you prepare and recover:
Understanding the progression from conservative treatments to surgical intervention, and how to determine when hip replacement becomes the right choice.
Questions to Ask Your Surgeon Before Joint ReplacementA practical checklist of questions covering experience, technique, hospital choice, and recovery expectations to discuss during your surgical consultation.
Rehabilitation Roadmap: Your Complete Recovery GuideA structured physical therapy progression from the first post-op exercises through full strength and mobility restoration over 3 to 6 months.
Outpatient Joint Replacement: A Medicare GuideHow outpatient joint replacement works under Medicare, including eligibility criteria, cost differences, and what to expect with same-day discharge.
Hip Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after hip replacement surgery:
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. Zehms
How does Dr. Zehms's procedure volume compare to other Wisconsin surgeons?
Dr. Zehms has performed 72 Medicare-verified joint replacement procedures. This is in line with the Wisconsin average of 51 procedures per surgeon. Dr. Zehms ranks #41 out of 189 orthopedic surgeons in Wisconsin.
What types of joint replacement does Dr. Zehms perform?
Dr. Zehms performs all three major joint replacement procedures: hip replacement (33 cases), shoulder replacement (24 cases), knee replacement (15 cases). This breadth indicates a comprehensive orthopedic joint replacement practice.
Are there other orthopedic surgeons near Dr. Zehms in Green Bay?
Yes. There are 19 orthopedic surgeons in Green Bay 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. Zehms 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. Zehms's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 72 procedures shown here.
Has Dr. Zehms's procedure volume changed over time?
Yes. Dr. Zehms's Medicare-recorded volume has increased from 57 procedures in 2019 to 72 in the most recent data, a 26% increase over 6 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 72 procedures in 2024.
Does Dr. Zehms perform more than one type of joint replacement?
Yes. Dr. Zehms's Medicare data shows procedures in hip replacement (33 cases), shoulder replacement (24 cases), knee replacement (15 cases). Performing all three major joint replacements places Dr. Zehms among the 5% of orthopedic surgeons nationally who cover hip, knee, and shoulder arthroplasty.
Which hospitals is Dr. Zehms affiliated with?
According to CMS facility affiliation data, Dr. Zehms is affiliated with Aurora Baycare Medical Ctr.
How does Dr. Zehms compare to other orthopedic surgeons in Green Bay?
Among the 19 orthopedic surgeons in Green Bay, Dr. Zehms ranks #4 by total Medicare procedure volume. The highest-volume surgeon in Green Bay has 100 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Zehms practices?
Aurora Baycare Medical Ctr (4 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 Green Bay, Wisconsin
Dr. Zehms's 72 Medicare procedures are below the Green Bay average of 75. The table below compares verified procedure volumes for orthopedic surgeons practicing in Green Bay.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Kirk Dimitris | 100 | Hip, Knee |
| Dr. Michael Schnaubelt | 100 | Hip, Knee |
| Dr. Michael Tressler | 81 | Hip, Knee, Shoulder |
| Dr. Kenneth Kleist | 67 | Hip, Knee |
| Dr. Walker Flannery | 52 | Hip, Knee |
| Dr. Matthew Colligan | 51 | Hip, 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.