Knee
Dr. John Mayer, MD
Dr. John Mayer is a board-certified orthopedic surgeon practicing in Gurnee, Illinois. A Medicare provider since 2005, Dr. Mayer has performed 11 Medicare-verified knee replacements, ranking #255 in Illinois.
In Illinois, Dr. Mayer performs below average in knee (11 vs 51 avg).
Dr. Mayer's Medicare data shows a focused knee replacement practice with 11 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.
Gurnee is home to 6 orthopedic surgeons in the current Medicare dataset. Patients in the Gurnee area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Mayer's Medicare data spans 8 years, beginning in 2013. Volume peaked at 106 procedures in 2013 before settling at 11 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Dr. Mayer's 11 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
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. Mayer Compares
Procedure volume compared to the Illinois state average.
Contact & Location
Gurnee, IL 60031
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Mayer's recorded volume peaked at 106 procedures in 2013 and stood at 11 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.
Patient Resources: Preparing for Knee Replacement
If you are considering knee replacement surgery, these evidence-based guides can help you prepare and recover:
An overview of current surgical approaches including robotic-assisted and minimally invasive techniques, implant options, and expected outcomes.
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.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
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.
Knee Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after knee replacement surgery:
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. Mayer
How does Dr. Mayer's procedure volume compare to other Illinois surgeons?
Dr. Mayer has performed 11 Medicare-verified joint replacement procedures. The Illinois average is 69 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Mayer ranks #318 out of 323 orthopedic surgeons in Illinois.
What types of joint replacement does Dr. Mayer perform?
Dr. Mayer's reported Medicare volume is focused on knee replacement, with 11 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Mayer in Gurnee?
Yes. There are 6 orthopedic surgeons in Gurnee 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 Illinois surgeons.
What does the Medicare data for Dr. Mayer 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. Mayer's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 11 procedures shown here.
Has Dr. Mayer's procedure volume changed over time?
Dr. Mayer's Medicare-recorded volume peaked at 106 procedures in 2013 and was 11 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.
How does Dr. Mayer compare to other orthopedic surgeons in Gurnee?
Among the 6 orthopedic surgeons in Gurnee, Dr. Mayer ranks #6 by total Medicare procedure volume. The highest-volume surgeon in Gurnee has 58 verified Medicare procedures.
Other Orthopedic Surgeons in Gurnee, Illinois
Dr. Mayer's 11 Medicare procedures are below the Gurnee average of 33. The table below compares verified procedure volumes for orthopedic surgeons practicing in Gurnee.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. David Hamming | 58 | Hip, Knee |
| Dr. Mark Hamming | 56 | Hip, Knee |
| Dr. Tomas Nemickas | 36 | Hip, Knee |
| Dr. Edward Logue | 24 | Knee |
| Dr. Bruce Summerville | 14 | Knee |
Patient Reviews & Ratings
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