#240 in Illinois
Knee

Dr. Kenneth Tuan, M.D.

Orthopedic Surgery
13 procedures 2 hospitals Decatur, IL
Latest available Medicare data — updated April 2026
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Knee 13 vs 45 avg (6,720 surgeons)

Dr. Kenneth Tuan is a board-certified orthopedic surgeon practicing in Decatur, Illinois. A Medicare provider since 2006, Dr. Tuan has performed 13 Medicare-verified knee replacements, ranking #240 in Illinois.

In Illinois, Dr. Tuan performs below average in knee (13 vs 51 avg).

Dr. Tuan's Medicare data shows a focused knee replacement practice with 13 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.

Decatur is home to 6 orthopedic surgeons in the current Medicare dataset. Patients in the Decatur area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Tuan's Medicare record spans 4 years from 2014 through 2023. Procedure volume has remained consistent during that period, ranging from 13 to 15 procedures per year, reflecting a steady joint replacement practice.

Dr. Tuan's 13 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

Knee Replacement
13 verified cases
#240 in Illinois
Estimated total: 40 – 40 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. Tuan Compares

Procedure volume compared to the Illinois state average.

Knee Below Avg
13 Avg: 51
Dr. Tuan Illinois Average

Contact & Location

Phone: 217-528-7541
304 W Hay St
Decatur, IL 62526
NPI: 1477520955
Credentials: M.D.
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Sports medicine specialist
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Tuan's procedure volume has been consistent across 4 years of Medicare data, ranging from 13 to 15 procedures per year. This stability suggests a well-established joint replacement practice.

Years of Data 4
2023 Volume 13
Peak Volume 15 (2019)
Trend Stable

Hospital Affiliations & Quality

H
Decatur Memorial Hospital
★★★☆☆
Decatur, IL
Low case volume
H
St Marys Hospital
★☆☆☆☆
Decatur, IL
Low case volume

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.

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. Tuan

How does Dr. Tuan's procedure volume compare to other Illinois surgeons?

Dr. Tuan has performed 13 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. Tuan ranks #294 out of 323 orthopedic surgeons in Illinois.

What types of joint replacement does Dr. Tuan perform?

Dr. Tuan's reported Medicare volume is focused on knee replacement, with 13 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Tuan in Decatur?

Yes. There are 6 orthopedic surgeons in Decatur 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. Tuan 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. Tuan's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 13 procedures shown here.

Has Dr. Tuan's procedure volume changed over time?

Dr. Tuan's procedure volume has been relatively stable over 4 years of Medicare data, ranging from 13 to 15 procedures per year between 2014 and 2023. Consistent volume over multiple years reflects a steady joint replacement practice.

Which hospitals is Dr. Tuan affiliated with?

According to CMS facility affiliation data, Dr. Tuan is affiliated with Decatur Memorial Hospital, St Marys Hospital.

How does Dr. Tuan compare to other orthopedic surgeons in Decatur?

Among the 6 orthopedic surgeons in Decatur, Dr. Tuan ranks #6 by total Medicare procedure volume. The highest-volume surgeon in Decatur has 114 verified Medicare procedures.

What are the quality ratings for hospitals where Dr. Tuan practices?

Decatur Memorial Hospital (3 out of 5 CMS stars, insufficient case volume for complication rate comparison); St Marys Hospital (1 out of 5 CMS stars, insufficient case volume for complication rate comparison). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.

Other Orthopedic Surgeons in Decatur, Illinois

Dr. Tuan's 13 Medicare procedures are below the Decatur average of 45. The table below compares verified procedure volumes for orthopedic surgeons practicing in Decatur.

SurgeonProceduresSpecialties
Dr. Edmund Raycraft 114 Hip, Knee
Dr. John Kefalas 72 Hip, Knee
Dr. Marshall Brustein 28 Shoulder
Dr. Tyler Jones 23 Hip, Knee
Dr. Jeffery Smith 20 Shoulder

Patient Reviews & Ratings

OrthoProcedures.com focuses on verified Medicare procedure data. For patient reviews, ratings, and appointment scheduling, visit these trusted platforms:

These links lead to third-party websites. OrthoProcedures.com is not affiliated with these platforms and cannot verify the accuracy of reviews.

Cite This Data

APA: OrthoProcedures. (2026). Dr. Kenneth Tuan, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/il/dr-kenneth-tuan-decatur.html

Link: https://orthoprocedures.com/surgeons/il/dr-kenneth-tuan-decatur.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.