Dr. John Kefalas, M.D.
Dr. John Kefalas is a board-certified orthopedic surgeon practicing in Decatur, Illinois. A Medicare provider since 2007, Dr. Kefalas has performed 48 Medicare-verified knee replacements (#101 in Illinois) and 24 hip replacements, for a combined total of 72 procedures.
In Illinois, Dr. Kefalas performs near average in knee (48 vs 51 avg), below average in hip (24 vs 38 avg).
Dr. Kefalas's reported Medicare volume is split between knee replacements (48 cases) and hip replacements (24 cases).
Beyond general orthopedic surgery, Dr. Kefalas holds additional credentials in Sports Medicine, reflecting subspecialty training that may benefit patients with complex joint conditions.
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. Kefalas's Medicare data spans 11 years, beginning in 2013. Volume peaked at 99 procedures in 2021 before settling at 72 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. Kefalas's 48 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. Kefalas Compares
Procedure volume compared to the Illinois state average.
Contact & Location
Decatur, IL 62526
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Kefalas's recorded volume peaked at 99 procedures in 2021 and stood at 72 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.
Prehabilitation: Preparing Your Body for SurgeryEvidence-based exercises and lifestyle adjustments that can improve surgical outcomes and speed recovery when started weeks before your procedure.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
Medicare Bundled Payment Programs for Joint ReplacementHow bundled payment models affect your joint replacement costs and care coordination, and what it means for hospital and surgeon selection.
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. Kefalas
How does Dr. Kefalas's procedure volume compare to other Illinois surgeons?
Dr. Kefalas has performed 72 Medicare-verified joint replacement procedures. This is in line with the Illinois average of 69 procedures per surgeon. Dr. Kefalas ranks #113 out of 323 orthopedic surgeons in Illinois.
What types of joint replacement does Dr. Kefalas perform?
Dr. Kefalas's Medicare data shows procedures in knee replacement (48 cases) and hip replacement (24 cases).
Are there other orthopedic surgeons near Dr. Kefalas 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. Kefalas 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. Kefalas's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 72 procedures shown here.
Has Dr. Kefalas's procedure volume changed over time?
Dr. Kefalas's Medicare-recorded volume peaked at 99 procedures in 2021 and was 72 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. Kefalas perform more than one type of joint replacement?
Yes. Dr. Kefalas's Medicare data shows procedures in knee replacement (48 cases), hip replacement (24 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Kefalas affiliated with?
According to CMS facility affiliation data, Dr. Kefalas is affiliated with Decatur Memorial Hospital, St Marys Hospital.
How does Dr. Kefalas compare to other orthopedic surgeons in Decatur?
Among the 6 orthopedic surgeons in Decatur, Dr. Kefalas ranks #2 by total Medicare procedure volume. Dr. Kefalas is among the highest-volume surgeons in Decatur.
What are the quality ratings for hospitals where Dr. Kefalas 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. Kefalas's 72 Medicare procedures are above the Decatur average of 45. The table below compares verified procedure volumes for orthopedic surgeons practicing in Decatur.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Edmund Raycraft | 114 | Hip, Knee |
| Dr. Marshall Brustein | 28 | Shoulder |
| Dr. Tyler Jones | 23 | Hip, Knee |
| Dr. Jeffery Smith | 20 | Shoulder |
| Dr. Kenneth Tuan | 13 | Knee |
Patient Reviews & Ratings
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