Dr. Tad Gerlinger, M.D.
Contact & Location
Chicago, IL 60612
Dr. Tad Gerlinger is a board-certified orthopedic surgeon practicing in Chicago, Illinois. A Medicare provider since 2005, Dr. Gerlinger has performed 105 Medicare-verified knee replacements (#25 in Illinois) and 50 hip replacements, for a combined total of 155 procedures.
In Illinois, Dr. Gerlinger performs well above average in knee (105 vs 50 avg), above average in hip (50 vs 39 avg).
Dr. Gerlinger's reported Medicare volume is split between knee replacements (105 cases) and hip replacements (50 cases).
Chicago is home to 41 orthopedic surgeons in the current Medicare dataset. Patients in the Chicago area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Gerlinger extend back to 2014, covering 11 years of data. Over that period, recorded procedure volume increased from 96 to 155 in the most recent data, a 61% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Gerlinger's 105 verified procedures is more than 2x the national average of 45.
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. Gerlinger Compares
Procedure volume compared to the Illinois state average.
Volume Trend Analysis
Dr. Gerlinger's Medicare-recorded procedure volume has trended upward over 11 years, increasing 61% from 96 procedures in 2014 to 155 in the most recent data.
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.
What to Expect on the Day of SurgeryA step-by-step walkthrough of your surgical day, from pre-op preparation through anesthesia, the procedure itself, and the first hours of recovery.
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.
Medicare Coverage for Joint ReplacementWhat Medicare Part A and Part B cover for joint replacement surgery, including hospital stays, surgeon fees, anesthesia, and physical therapy.
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. Gerlinger
How does Dr. Gerlinger's procedure volume compare to other Illinois surgeons?
Dr. Gerlinger has performed 155 Medicare-verified joint replacement procedures. This is more than 2x the Illinois average of 69 procedures per surgeon. Dr. Gerlinger ranks #34 out of 316 orthopedic surgeons in Illinois.
What types of joint replacement does Dr. Gerlinger perform?
Dr. Gerlinger's Medicare data shows procedures in knee replacement (105 cases) and hip replacement (50 cases).
Are there other orthopedic surgeons near Dr. Gerlinger in Chicago?
Yes. There are 41 orthopedic surgeons in Chicago 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. Gerlinger 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. Gerlinger's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 155 procedures shown here.
Has Dr. Gerlinger's procedure volume changed over time?
Yes. Dr. Gerlinger's Medicare-recorded volume has increased from 96 procedures in 2014 to 155 in the most recent data, a 61% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 247 procedures in 2016.
Does Dr. Gerlinger perform more than one type of joint replacement?
Yes. Dr. Gerlinger's Medicare data shows procedures in knee replacement (105 cases), hip replacement (50 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
How does Dr. Gerlinger compare to other orthopedic surgeons in Chicago?
Among the 41 orthopedic surgeons in Chicago, Dr. Gerlinger ranks #5 by total Medicare procedure volume. The highest-volume surgeon in Chicago has 318 verified Medicare procedures.
Other Orthopedic Surgeons in Chicago, Illinois
Dr. Gerlinger's 155 Medicare procedures are below the Chicago average of 219. The table below compares verified procedure volumes for orthopedic surgeons practicing in Chicago.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Denis Nam | 318 | Hip, Knee |
| Dr. Vasili Karas | 287 | Hip, Knee |
| Dr. Raju Ghate | 257 | Knee |
| Dr. Hany Bedair | 249 | Hip, Knee |
| Dr. Kevin Hardt | 141 | Hip, Knee |
| Dr. Hue Luu | 123 | 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.