Knee
Dr. Derek Riley, D.O.
Dr. Derek Riley is a board-certified orthopedic surgeon practicing in Pulaski, Tennessee. Dr. Riley has performed 13 Medicare-verified knee replacements, ranking #158 in Tennessee.
In Tennessee, Dr. Riley performs below average in knee (13 vs 45 avg).
Dr. Riley'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.
Dr. Riley is the only orthopedic surgeon in Pulaski represented in the current Medicare dataset, serving as the primary local option for patients considering joint replacement surgery in the area.
Dr. Riley's Medicare data spans 5 years, beginning in 2019. Volume peaked at 24 procedures in 2019 before settling at 13 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Dr. Riley'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
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. Riley Compares
Procedure volume compared to the Tennessee state average.
Contact & Location
Pulaski, TN 38478
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Riley's recorded volume peaked at 24 procedures in 2019 and stood at 13 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.
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. Riley
How does Dr. Riley's procedure volume compare to other Tennessee surgeons?
Dr. Riley has performed 13 Medicare-verified joint replacement procedures. The Tennessee average is 64 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Riley ranks #201 out of 214 orthopedic surgeons in Tennessee.
What types of joint replacement does Dr. Riley perform?
Dr. Riley'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.
Where is Dr. Riley's practice located?
Dr. Riley practices in Pulaski, Tennessee. The office is located at 204 Hillside Dr, Pulaski, TN 38478. Patients in the surrounding area can consult Dr. Riley for joint replacement evaluation.
What does the Medicare data for Dr. Riley 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. Riley's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 13 procedures shown here.
Has Dr. Riley's procedure volume changed over time?
Dr. Riley's Medicare-recorded volume peaked at 24 procedures in 2019 and was 13 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.
Which hospitals is Dr. Riley affiliated with?
According to CMS facility affiliation data, Dr. Riley is affiliated with Santiam Hospital & Clinics, Salem Hospital. Dr. Riley maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.
What are the quality ratings for hospitals where Dr. Riley practices?
Santiam Hospital & Clinics (2 out of 5 CMS stars, insufficient case volume for complication rate comparison); Salem 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.
Patient Reviews & Ratings
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