Dr. John Nash, MD
Contact & Location
Chattanooga, TN 37404
Dr. John Nash is a board-certified orthopedic surgeon practicing in Chattanooga, Tennessee. A Medicare provider since 2005, Dr. Nash has performed 145 Medicare-verified knee replacements (#5 in Tennessee) and 55 hip replacements, for a combined total of 200 procedures.
In Tennessee, Dr. Nash performs well above average in knee (145 vs 46 avg), above average in hip (55 vs 36 avg).
Dr. Nash's reported Medicare volume is split between knee replacements (145 cases) and hip replacements (55 cases).
Chattanooga is home to 18 orthopedic surgeons in the current Medicare dataset. Patients in the Chattanooga area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Nash extend back to 2020, covering 5 years of data. Over that period, recorded procedure volume increased from 149 to 200 in the most recent data, a 34% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Nash's 145 verified procedures is more than 3x the national average of 45, ranking #196 nationally.
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. Nash Compares
Procedure volume compared to the Tennessee state average.
Volume Trend Analysis
Dr. Nash's Medicare-recorded procedure volume has trended upward over 5 years, increasing 34% from 149 procedures in 2020 to 200 in the most recent data.
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.
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 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. Nash
How does Dr. Nash's procedure volume compare to other Tennessee surgeons?
Dr. Nash has performed 200 Medicare-verified joint replacement procedures. This is more than 3x the Tennessee average of 65 procedures per surgeon. Dr. Nash ranks #6 out of 219 orthopedic surgeons in Tennessee.
What types of joint replacement does Dr. Nash perform?
Dr. Nash's Medicare data shows procedures in knee replacement (145 cases) and hip replacement (55 cases).
How experienced is Dr. Nash with knee replacement surgery?
Dr. Nash ranks #5 in Tennessee for knee replacement with 145 Medicare-verified procedures. This high ranking among 219 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Nash in Chattanooga?
Yes. There are 18 orthopedic surgeons in Chattanooga 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. Nash 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. Nash's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 200 procedures shown here.
Has Dr. Nash's procedure volume changed over time?
Yes. Dr. Nash's Medicare-recorded volume has increased from 149 procedures in 2020 to 200 in the most recent data, a 34% increase over 5 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 207 procedures in 2023.
Does Dr. Nash perform more than one type of joint replacement?
Yes. Dr. Nash's Medicare data shows procedures in knee replacement (145 cases), hip replacement (55 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Nash affiliated with?
According to CMS facility affiliation data, Dr. Nash is affiliated with Memorial Healthcare System, Inc.
How does Dr. Nash compare to other orthopedic surgeons in Chattanooga?
Among the 18 orthopedic surgeons in Chattanooga, Dr. Nash ranks #2 by total Medicare procedure volume. Dr. Nash is among the highest-volume surgeons in Chattanooga.
What are the quality ratings for hospitals where Dr. Nash practices?
Memorial Healthcare System, Inc (4 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 Chattanooga, Tennessee
Dr. Nash's 200 Medicare procedures are above the Chattanooga average of 157. The table below compares verified procedure volumes for orthopedic surgeons practicing in Chattanooga.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. William Ballard | 311 | Hip, Knee |
| Dr. Matthew Higgins | 171 | Hip, Knee |
| Dr. Kristopher Sanders | 135 | Hip, Knee |
| Dr. Jason Rogers | 105 | Hip, Knee |
| Dr. Mark Freeman | 96 | Hip, Knee |
| Dr. Matthew Bernard | 84 | 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.