Knee
Dr. William Thomas, M.D.
Dr. William Thomas is a board-certified orthopedic surgeon practicing in Chicago, Illinois. A Medicare provider since 2016, Dr. Thomas has performed 15 Medicare-verified knee replacements, ranking #230 in Illinois.
In Illinois, Dr. Thomas performs below average in knee (15 vs 51 avg).
Dr. Thomas's Medicare data shows a focused knee replacement practice with 15 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.
Beyond general orthopedic surgery, Dr. Thomas holds additional credentials in Adult Reconstructive Orthopaedic Surgery, reflecting subspecialty training that may benefit patients with complex joint conditions.
Chicago is home to 43 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.
Dr. Thomas first appears in the Medicare dataset in 2023. With 1 year of recorded data, the longitudinal trend is still developing.
Dr. Thomas's 15 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. Thomas Compares
Procedure volume compared to the Illinois state average.
Contact & Location
Chicago, IL 60611
Verified Case Volume Trends (2013-Current)
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.
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.
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. Thomas
How does Dr. Thomas's procedure volume compare to other Illinois surgeons?
Dr. Thomas has performed 15 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. Thomas ranks #283 out of 323 orthopedic surgeons in Illinois.
What types of joint replacement does Dr. Thomas perform?
Dr. Thomas's reported Medicare volume is focused on knee replacement, with 15 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Thomas in Chicago?
Yes. There are 43 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. Thomas 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. Thomas's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 15 procedures shown here.
Which hospitals is Dr. Thomas affiliated with?
According to CMS facility affiliation data, Dr. Thomas is affiliated with Northwestern Memorial Hospital, Palos Community Hospital.
How does Dr. Thomas compare to other orthopedic surgeons in Chicago?
Among the 43 orthopedic surgeons in Chicago, Dr. Thomas ranks #36 by total Medicare procedure volume. The highest-volume surgeon in Chicago has 308 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Thomas practices?
Northwestern Memorial Hospital (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Palos Community Hospital (3 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 Chicago, Illinois
Dr. Thomas's 15 Medicare procedures are below the Chicago average of 205. The table below compares verified procedure volumes for orthopedic surgeons practicing in Chicago.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Denis Nam | 308 | Hip, Knee |
| Dr. Vasili Karas | 269 | Hip, Knee |
| Dr. Raju Ghate | 256 | Knee |
| Dr. Hany Bedair | 238 | Hip, Knee |
| Dr. Bryan Haughom | 189 | Hip, Knee |
| Dr. Brett Levine | 160 | Hip, Knee |
Patient Reviews & Ratings
OrthoProcedures.com focuses on verified Medicare procedure data. For patient reviews, ratings, and appointment scheduling, visit these trusted platforms:
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