Knee
Dr. Gregory Primus, M.D.
Dr. Gregory Primus is a board-certified orthopedic surgeon practicing in Tinley Park, Illinois. A Medicare provider since 2007, Dr. Primus has performed 12 Medicare-verified knee replacements, ranking #248 in Illinois.
In Illinois, Dr. Primus performs below average in knee (12 vs 51 avg).
Dr. Primus's Medicare data shows a focused knee replacement practice with 12 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.
Tinley Park is home to 5 orthopedic surgeons in the current Medicare dataset. Patients in the Tinley Park area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Primus's Medicare record spans 5 years from 2016 through 2023. Procedure volume has remained consistent during that period, ranging from 12 to 18 procedures per year, reflecting a steady joint replacement practice.
Dr. Primus's 12 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. Primus Compares
Procedure volume compared to the Illinois state average.
Contact & Location
Tinley Park, IL 60477
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Primus's procedure volume has been consistent across 5 years of Medicare data, ranging from 12 to 18 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.
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. Primus
How does Dr. Primus's procedure volume compare to other Illinois surgeons?
Dr. Primus has performed 12 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. Primus ranks #305 out of 323 orthopedic surgeons in Illinois.
What types of joint replacement does Dr. Primus perform?
Dr. Primus's reported Medicare volume is focused on knee replacement, with 12 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Primus in Tinley Park?
Yes. There are 5 orthopedic surgeons in Tinley Park 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. Primus 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. Primus's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 12 procedures shown here.
Has Dr. Primus's procedure volume changed over time?
Dr. Primus's procedure volume has been relatively stable over 5 years of Medicare data, ranging from 12 to 18 procedures per year between 2016 and 2023. Consistent volume over multiple years reflects a steady joint replacement practice.
Which hospitals is Dr. Primus affiliated with?
According to CMS facility affiliation data, Dr. Primus is affiliated with Advocate Christ Hospital & Medical Center, Advocate Trinity Hospital.
How does Dr. Primus compare to other orthopedic surgeons in Tinley Park?
Among the 5 orthopedic surgeons in Tinley Park, Dr. Primus ranks #5 by total Medicare procedure volume. The highest-volume surgeon in Tinley Park has 103 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Primus practices?
Advocate Christ Hospital & Medical Center (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Advocate Trinity Hospital (2 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 Tinley Park, Illinois
Dr. Primus's 12 Medicare procedures are below the Tinley Park average of 39. The table below compares verified procedure volumes for orthopedic surgeons practicing in Tinley Park.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Daniel Weber | 103 | Hip, Knee |
| Dr. Edward Joy | 33 | Shoulder |
| Dr. Paul Danielsky | 30 | Hip, Knee |
| Dr. Phillip Nigro | 19 | Knee |
Patient Reviews & Ratings
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