Knee
Dr. Marc Aiken, MD
Dr. Marc Aiken is a board-certified orthopedic surgeon practicing in Johnson City, Tennessee. Dr. Aiken has performed 28 Medicare-verified knee replacements, ranking #99 in Tennessee.
In Tennessee, Dr. Aiken performs below average in knee (28 vs 45 avg).
Dr. Aiken's Medicare data shows a focused knee replacement practice with 28 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.
Johnson City is home to 12 orthopedic surgeons in the current Medicare dataset. Patients in the Johnson City area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Aiken extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 16 to 28 in the most recent data, a 75% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Aiken's 28 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. Aiken Compares
Procedure volume compared to the Tennessee state average.
Contact & Location
Johnson City, TN 37601
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Aiken's Medicare-recorded procedure volume has trended upward over 11 years, increasing 75% from 16 procedures in 2013 to 28 in the most recent data.
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.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
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. Aiken
How does Dr. Aiken's procedure volume compare to other Tennessee surgeons?
Dr. Aiken has performed 28 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. Aiken ranks #153 out of 214 orthopedic surgeons in Tennessee.
What types of joint replacement does Dr. Aiken perform?
Dr. Aiken's reported Medicare volume is focused on knee replacement, with 28 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Aiken in Johnson City?
Yes. There are 12 orthopedic surgeons in Johnson City 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 Tennessee surgeons.
What does the Medicare data for Dr. Aiken 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. Aiken's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 28 procedures shown here.
Has Dr. Aiken's procedure volume changed over time?
Yes. Dr. Aiken's Medicare-recorded volume has increased from 16 procedures in 2013 to 28 in the most recent data, a 75% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 34 procedures in 2019.
How does Dr. Aiken compare to other orthopedic surgeons in Johnson City?
Among the 12 orthopedic surgeons in Johnson City, Dr. Aiken ranks #8 by total Medicare procedure volume. The highest-volume surgeon in Johnson City has 80 verified Medicare procedures.
Other Orthopedic Surgeons in Johnson City, Tennessee
Dr. Aiken's 28 Medicare procedures are below the Johnson City average of 45. The table below compares verified procedure volumes for orthopedic surgeons practicing in Johnson City.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Jason Brashear | 80 | Hip, Knee |
| Dr. Gregory Stewart | 61 | Hip, Knee |
| Dr. James Goss | 41 | Hip, Knee |
| Dr. Thomas Gill | 40 | Hip, Knee |
| Dr. Joseph Hurst | 36 | Hip, Knee |
| Dr. Dustin Price | 31 | Knee |
Patient Reviews & Ratings
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