Dr. Mark Stewart, M.D.

Orthopedic Surgery
57 procedures 4 hospitals Moline, IL
Latest available Medicare data — updated April 2026

Contact & Location

Phone: 309-762-3621
Practice phone listed in the NPI registry
520 Valley View Dr
Moline, IL 61265
NPI: 1265410856
Credentials: M.D.
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety, all under $50
National Comparison by Procedure
Hip 12 vs 36 avg (4,532 surgeons)
Knee 45 vs 45 avg (6,599 surgeons)

Dr. Mark Stewart is a board-certified orthopedic surgeon practicing in Moline, Illinois. A Medicare provider since 2006, Dr. Stewart has performed 45 Medicare-verified knee replacements (#108 in Illinois) and 12 hip replacements, for a combined total of 57 procedures.

In Illinois, Dr. Stewart performs near average in knee (45 vs 50 avg), below average in hip (12 vs 39 avg).

Dr. Stewart's practice is heavily focused on knee replacement surgery, which accounts for 79% of reported Medicare volume.

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 12 years, beginning in 2013. Volume peaked at 95 procedures in 2015 before settling at 57 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Among 6,599 knee replacement surgeons tracked nationally, Dr. Stewart's 45 verified procedures is near the national average of 45.

Verified Medicare Cases

Knee Replacement
45 verified cases
#108 in Illinois
Hip Replacement
12 verified cases
#175 in Illinois
Estimated total: 150 – 170 procedures (all insurers)
Based on Medicare FFS representing 33–37% of national joint replacement volume
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.

Hip Below Avg
12 Avg: 39
Knee Average
45 Avg: 50
Dr. Stewart Illinois Average

Volume Trend Analysis

Dr. Stewart's recorded volume peaked at 95 procedures in 2015 and stood at 57 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 12
2024 Volume 57
Peak Volume 95 (2015)
Trend Declining

Hospital Affiliations & Quality

H
Hammond Henry Hospital
Geneseo, IL
Low case volume
H
Mercyone Genesis Silvis Medical Center
2/5
Silvis, IL
Similar to national avg
H
Trinity Rock Island
2/5
Rock Island, IL
Similar to national avg
H
Osf Saint Luke Medical Center
5/5
Kewanee, IL

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:

Knee Replacement Recovery Overview

Recovery timelines vary by patient, but here is a general overview of what to expect after knee replacement surgery:

Week 1-2 Walking with assistive device. Knee bending exercises begin immediately. Ice therapy and elevation for swelling control.
Week 3-6 Increased range of motion (target 90 degrees). Walking longer distances. Physical therapy intensifies with strengthening exercises.
Week 7-12 Most patients walk without assistive devices. Resume driving and desk work. Continue PT for strength and flexibility.
Month 4-6 Near-full recovery. Resume most recreational activities. Some swelling and stiffness may persist but continues improving.

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 57 Medicare-verified joint replacement procedures. This is in line with the Illinois average of 69 procedures per surgeon. Dr. Stewart ranks #140 out of 316 orthopedic surgeons in Illinois.

What types of joint replacement does Dr. Stewart perform?

Dr. Stewart's Medicare data shows procedures in knee replacement (45 cases) and hip replacement (12 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 57 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 57 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 (45 cases), hip replacement (12 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 57 Medicare procedures are above the Moline average of 52. The table below compares verified procedure volumes for orthopedic surgeons practicing in Moline.

SurgeonProceduresSpecialties
Dr. Edward Connolly 130 Hip, Knee
Dr. Steven Boardman 38 Hip, Knee
Dr. Waqas Hussain 37 Knee
Dr. Shawn Wynn 26 Knee
Dr. Jason Clark 24 Knee, Shoulder

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.

Cite This Data

APA: OrthoProcedures. (2026). Dr. Mark Stewart, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/il/dr-mark-stewart-moline.html

Link: https://orthoprocedures.com/surgeons/il/dr-mark-stewart-moline.html

Data source: CMS Medicare Part B Provider Utilization & Payment Data. Full methodology | Open Data API

Important: Rankings are based solely on Medicare procedure volume and do not reflect quality of care, patient outcomes, or procedures covered by private insurance. This data represents approximately one-third to 40% of all joint replacement procedures nationwide. Always consult with healthcare providers to make informed decisions about your care.