Dr. Philip Karpos, MD
Contact & Location
Nashville, TN 37209
Dr. Philip Karpos is a board-certified orthopedic surgeon practicing in Nashville, Tennessee. A Medicare provider since 2005, Dr. Karpos has performed 78 Medicare-verified knee replacements (#24 in Tennessee) and 34 hip replacements, for a combined total of 112 procedures.
In Tennessee, Dr. Karpos performs above average in knee (78 vs 46 avg), near average in hip (34 vs 36 avg).
Dr. Karpos's reported Medicare volume is split between knee replacements (78 cases) and hip replacements (34 cases).
Nashville is home to 37 orthopedic surgeons in the current Medicare dataset. Patients in the Nashville area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Karpos's Medicare record spans 12 years from 2013 through 2024. Procedure volume has remained consistent during that period, ranging from 112 to 156 procedures per year, reflecting a steady joint replacement practice.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Karpos's 78 verified procedures is above the national average of 45.
Verified Case Volume Trends (2013-Current)
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. Karpos Compares
Procedure volume compared to the Tennessee state average.
Volume Trend Analysis
Dr. Karpos's procedure volume has been consistent across 12 years of Medicare data, ranging from 112 to 156 procedures per year. This stability suggests a well-established joint replacement practice.
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.
What to Expect on the Day of SurgeryA step-by-step walkthrough of your surgical day, from pre-op preparation through anesthesia, the procedure itself, and the first hours of recovery.
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.
Medicare Coverage for Joint ReplacementWhat Medicare Part A and Part B cover for joint replacement surgery, including hospital stays, surgeon fees, anesthesia, and physical therapy.
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. Karpos
How does Dr. Karpos's procedure volume compare to other Tennessee surgeons?
Dr. Karpos has performed 112 Medicare-verified joint replacement procedures. This is significantly above the Tennessee average of 65 procedures per surgeon. Dr. Karpos ranks #35 out of 219 orthopedic surgeons in Tennessee.
What types of joint replacement does Dr. Karpos perform?
Dr. Karpos's Medicare data shows procedures in knee replacement (78 cases) and hip replacement (34 cases).
Are there other orthopedic surgeons near Dr. Karpos in Nashville?
Yes. There are 37 orthopedic surgeons in Nashville 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. Karpos 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. Karpos's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 112 procedures shown here.
Has Dr. Karpos's procedure volume changed over time?
Dr. Karpos's procedure volume has been relatively stable over 12 years of Medicare data, ranging from 112 to 156 procedures per year between 2013 and 2024. Consistent volume over multiple years reflects a steady joint replacement practice.
Does Dr. Karpos perform more than one type of joint replacement?
Yes. Dr. Karpos's Medicare data shows procedures in knee replacement (78 cases), hip replacement (34 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Karpos affiliated with?
According to CMS facility affiliation data, Dr. Karpos is affiliated with Ascension Saint Thomas Hospital, Saint Thomas Hospital For Specialty Surgery, Ascension Saint Thomas Three Rivers.
How does Dr. Karpos compare to other orthopedic surgeons in Nashville?
Among the 37 orthopedic surgeons in Nashville, Dr. Karpos ranks #8 by total Medicare procedure volume. The highest-volume surgeon in Nashville has 265 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Karpos practices?
Ascension Saint Thomas 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.
Other Orthopedic Surgeons in Nashville, Tennessee
Dr. Karpos's 112 Medicare procedures are below the Nashville average of 152. The table below compares verified procedure volumes for orthopedic surgeons practicing in Nashville.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. David Deboer | 265 | Hip, Knee |
| Dr. Jeffrey Hodrick | 155 | Hip, Knee |
| Dr. Gregory Raab | 151 | Hip, Knee |
| Dr. Jefferson Morrison | 136 | Hip, Knee |
| Dr. Wesley Mayes | 125 | Hip, Knee |
| Dr. William Carpenter | 120 | Hip, Knee |
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.