Dr. Mark Stewart, M.D.
Dr. Mark Stewart is a board-certified orthopedic surgeon practicing in Moline, Illinois. A Medicare provider since 2006, Dr. Stewart has performed 36 Medicare-verified knee replacements (#133 in Illinois) and 13 hip replacements, for a combined total of 49 procedures.
In Illinois, Dr. Stewart performs below average in knee (36 vs 51 avg), below average in hip (13 vs 38 avg).
Dr. Stewart's reported Medicare volume is split between knee replacements (36 cases) and hip replacements (13 cases).
Moline is home to 6 orthopedic surgeons in the current Medicare dataset. Patients in the Moline area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Stewart's Medicare data spans 11 years, beginning in 2013. Volume peaked at 95 procedures in 2015 before settling at 49 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Stewart's 36 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. Stewart Compares
Procedure volume compared to the Illinois state average.
Contact & Location
Moline, IL 61265
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Stewart's recorded volume peaked at 95 procedures in 2015 and stood at 49 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.
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.
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. Stewart
How does Dr. Stewart's procedure volume compare to other Illinois surgeons?
Dr. Stewart has performed 49 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. Stewart ranks #159 out of 323 orthopedic surgeons in Illinois.
What types of joint replacement does Dr. Stewart perform?
Dr. Stewart's Medicare data shows procedures in knee replacement (36 cases) and hip replacement (13 cases).
Are there other orthopedic surgeons near Dr. Stewart in Moline?
Yes. There are 6 orthopedic surgeons in Moline 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. Stewart 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. Stewart's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 49 procedures shown here.
Has Dr. Stewart's procedure volume changed over time?
Dr. Stewart's Medicare-recorded volume peaked at 95 procedures in 2015 and was 49 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.
Does Dr. Stewart perform more than one type of joint replacement?
Yes. Dr. Stewart's Medicare data shows procedures in knee replacement (36 cases), hip replacement (13 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Stewart affiliated with?
According to CMS facility affiliation data, Dr. Stewart is affiliated with Hammond Henry Hospital, Mercyone Genesis Silvis Medical Center, Trinity Rock Island, Osf Saint Luke Medical Center.
How does Dr. Stewart compare to other orthopedic surgeons in Moline?
Among the 6 orthopedic surgeons in Moline, Dr. Stewart ranks #2 by total Medicare procedure volume. Dr. Stewart is among the highest-volume surgeons in Moline.
What are the quality ratings for hospitals where Dr. Stewart practices?
Hammond Henry Hospital (insufficient case volume for complication rate comparison); Mercyone Genesis Silvis Medical Center (2 out of 5 CMS stars, hip/knee complication rate similar to national average); Trinity Rock Island (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 Moline, Illinois
Dr. Stewart's 49 Medicare procedures are below the Moline average of 54. The table below compares verified procedure volumes for orthopedic surgeons practicing in Moline.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Edward Connolly | 129 | Hip, Knee |
| Dr. Shawn Wynn | 43 | Hip, Knee |
| Dr. Waqas Hussain | 43 | Knee |
| Dr. Steven Boardman | 36 | Hip, Knee |
| Dr. Jason Clark | 23 | Knee |
Patient Reviews & Ratings
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