#5 Knee
#19 Hip

Dr. John Nash, MD

Orthopedic Surgery
207 procedures 1 hospital Chattanooga, TN
Latest available Medicare data — updated April 2026
Rising Star Top 10% Nationally
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Hip 55 vs 36 avg (4,526 surgeons)
Knee 152 vs 45 avg (6,720 surgeons)

Dr. John Nash is a board-certified orthopedic surgeon practicing in Chattanooga, Tennessee. Dr. Nash has performed 152 Medicare-verified knee replacements (#5 in Tennessee) and 55 hip replacements, for a combined total of 207 procedures.

In Tennessee, Dr. Nash performs well above average in knee (152 vs 45 avg), above average in hip (55 vs 36 avg).

Dr. Nash's reported Medicare volume is split between knee replacements (152 cases) and hip replacements (55 cases).

Chattanooga is home to 17 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 4 years of data. Over that period, recorded procedure volume increased from 149 to 207 in the most recent data, a 39% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Nash's 152 verified procedures is more than 3x the national average of 45, ranking #154 nationally.

Verified Medicare Cases

Knee Replacement
152 verified cases
#5 in Tennessee
Hip Replacement
55 verified cases
#19 in Tennessee
Estimated total: 560 – 630 procedures (all insurers)
Based on Medicare FFS representing 33–37% of national joint replacement volume
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.

Hip High
55 Avg: 36
Knee Very High
152 Avg: 45
Dr. Nash Tennessee Average

Contact & Location

2415 Mccallie Ave
Chattanooga, TN 37404
NPI: 1821086281
Credentials: MD
Active Medicare provider
Find Practice on Google Maps

Volume Trend Analysis

Dr. Nash's Medicare-recorded procedure volume has trended upward over 4 years, increasing 39% from 149 procedures in 2020 to 207 in the most recent data.

Years of Data 4
2023 Volume 207
Peak Volume 207 (2023)
Trend Growing

Hospital Affiliations & Quality

H
Memorial Healthcare System, Inc
★★★★☆
Chattanooga, TN
Similar to national avg

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.

Knee Replacement Recovery Overview

Recovery timelines vary by patient, but here is a general overview of what to expect after knee replacement surgery:

Week 1-2 Walking with assistive device. Knee bending exercises begin immediately. Ice therapy and elevation for swelling control.
Week 3-6 Increased range of motion (target 90 degrees). Walking longer distances. Physical therapy intensifies with strengthening exercises.
Week 7-12 Most patients walk without assistive devices. Resume driving and desk work. Continue PT for strength and flexibility.
Month 4-6 Near-full recovery. Resume most recreational activities. Some swelling and stiffness may persist but continues improving.

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 207 Medicare-verified joint replacement procedures. This is more than 3x the Tennessee average of 64 procedures per surgeon. Dr. Nash ranks #4 out of 214 orthopedic surgeons in Tennessee.

What types of joint replacement does Dr. Nash perform?

Dr. Nash's Medicare data shows procedures in knee replacement (152 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 152 Medicare-verified procedures. This high ranking among 214 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Nash in Chattanooga?

Yes. There are 17 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 207 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 207 in the most recent data, a 39% increase over 4 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 (152 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 17 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 207 Medicare procedures are above the Chattanooga average of 171. The table below compares verified procedure volumes for orthopedic surgeons practicing in Chattanooga.

SurgeonProceduresSpecialties
Dr. William Ballard 345 Hip, Knee
Dr. Matthew Higgins 173 Hip, Knee
Dr. Jason Rogers 136 Hip, Knee
Dr. Mark Freeman 122 Hip, Knee
Dr. Kristopher Sanders 115 Hip, Knee
Dr. Matthew Bernard 97 Hip, Knee

Patient Reviews & Ratings

OrthoProcedures.com focuses on verified Medicare procedure data. For patient reviews, ratings, and appointment scheduling, visit these trusted platforms:

These links lead to third-party websites. OrthoProcedures.com is not affiliated with these platforms and cannot verify the accuracy of reviews.

Cite This Data

APA: OrthoProcedures. (2026). Dr. John Nash, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/tn/dr-john-nash-chattanooga.html

Link: https://orthoprocedures.com/surgeons/tn/dr-john-nash-chattanooga.html

Data source: CMS Medicare Part B Provider Utilization & Payment Data. Full methodology | Open Data API

Important: Rankings are based solely on Medicare procedure volume and do not reflect quality of care, patient outcomes, or procedures covered by private insurance. This data represents approximately one-third to 40% of all joint replacement procedures nationwide. Always consult with healthcare providers to make informed decisions about your care.