Knee
Dr. Michael Hejna, M.D., PHD.
Dr. Michael Hejna is a board-certified orthopedic surgeon practicing in Riverside, Illinois. A Medicare provider since 2005, Dr. Hejna has performed 37 Medicare-verified knee replacements, ranking #128 in Illinois.
In Illinois, Dr. Hejna performs below average in knee (37 vs 51 avg).
Dr. Hejna'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.
Riverside is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Riverside area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Hejna's Medicare record spans 11 years from 2013 through 2023. Procedure volume has remained consistent during that period, ranging from 29 to 49 procedures per year, reflecting a steady joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Hejna's 37 verified procedures is near the national average of 45.
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. Hejna Compares
Procedure volume compared to the Illinois state average.
Contact & Location
Riverside, IL 60546
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Hejna's procedure volume has been consistent across 11 years of Medicare data, ranging from 29 to 49 procedures per year. This stability suggests a well-established joint replacement practice.
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 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.
Recovery Timeline: Week-by-Week ExpectationsA detailed week-by-week guide covering pain levels, mobility milestones, physical therapy progression, and when to expect a return to daily activities.
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. Hejna
How does Dr. Hejna's procedure volume compare to other Illinois surgeons?
Dr. Hejna has performed 37 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. Hejna ranks #189 out of 323 orthopedic surgeons in Illinois.
What types of joint replacement does Dr. Hejna perform?
Dr. Hejna'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.
Are there other orthopedic surgeons near Dr. Hejna in Riverside?
Yes. There are 3 orthopedic surgeons in Riverside 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. Hejna 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. Hejna's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 37 procedures shown here.
Has Dr. Hejna's procedure volume changed over time?
Dr. Hejna's procedure volume has been relatively stable over 11 years of Medicare data, ranging from 29 to 49 procedures per year between 2013 and 2023. Consistent volume over multiple years reflects a steady joint replacement practice.
Which hospitals is Dr. Hejna affiliated with?
According to CMS facility affiliation data, Dr. Hejna is affiliated with Macneal Hospital.
How does Dr. Hejna compare to other orthopedic surgeons in Riverside?
Among the 3 orthopedic surgeons in Riverside, Dr. Hejna ranks #1 by total Medicare procedure volume. Dr. Hejna has the highest verified Medicare volume in the city.
What are the quality ratings for hospitals where Dr. Hejna practices?
Macneal Hospital (3 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 Riverside, Illinois
Dr. Hejna's 37 Medicare procedures are above the Riverside average of 30. The table below compares verified procedure volumes for orthopedic surgeons practicing in Riverside.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Scott Seymour | 37 | Knee |
| Dr. Erling Ho | 15 | Shoulder |
Patient Reviews & Ratings
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