Dr. John Turnbull, MD
Dr. John Turnbull is a board-certified orthopedic surgeon practicing in Cookeville, Tennessee. Dr. Turnbull has performed 28 Medicare-verified hip replacements (#53 in Tennessee) and 21 knee replacements, for a combined total of 49 procedures.
In Tennessee, Dr. Turnbull performs below average in hip (28 vs 36 avg), below average in knee (21 vs 45 avg).
Dr. Turnbull's reported Medicare volume is split between hip replacements (28 cases) and knee replacements (21 cases).
Cookeville is home to 4 orthopedic surgeons in the current Medicare dataset. Patients in the Cookeville area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Turnbull's Medicare record spans 11 years from 2013 through 2023. Procedure volume has remained consistent during that period, ranging from 27 to 69 procedures per year, reflecting a steady joint replacement practice.
Dr. Turnbull's 28 hip replacement procedures is below the national average of 36 among 4,526 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. Turnbull Compares
Procedure volume compared to the Tennessee state average.
Contact & Location
Cookeville, TN 38501
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Turnbull's procedure volume has been consistent across 11 years of Medicare data, ranging from 27 to 69 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 Hip Replacement
If you are considering hip replacement surgery, these evidence-based guides can help you prepare and recover:
Understanding the progression from conservative treatments to surgical intervention, and how to determine when hip replacement becomes the right choice.
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.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
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.
Hip Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after hip replacement surgery:
Individual recovery varies based on overall health, age, and adherence to physical therapy. View full hip replacement recovery guide and product recommendations
Frequently Asked Questions About Dr. Turnbull
How does Dr. Turnbull's procedure volume compare to other Tennessee surgeons?
Dr. Turnbull has performed 49 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. Turnbull ranks #104 out of 214 orthopedic surgeons in Tennessee.
What types of joint replacement does Dr. Turnbull perform?
Dr. Turnbull's Medicare data shows procedures in hip replacement (28 cases) and knee replacement (21 cases).
Are there other orthopedic surgeons near Dr. Turnbull in Cookeville?
Yes. There are 4 orthopedic surgeons in Cookeville 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. Turnbull 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. Turnbull's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 49 procedures shown here.
Has Dr. Turnbull's procedure volume changed over time?
Dr. Turnbull's procedure volume has been relatively stable over 11 years of Medicare data, ranging from 27 to 69 procedures per year between 2013 and 2023. Consistent volume over multiple years reflects a steady joint replacement practice.
Does Dr. Turnbull perform more than one type of joint replacement?
Yes. Dr. Turnbull's Medicare data shows procedures in hip replacement (28 cases), knee replacement (21 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Turnbull affiliated with?
According to CMS facility affiliation data, Dr. Turnbull is affiliated with Cookeville Regional Medical Center, Cumberland Medical Center.
How does Dr. Turnbull compare to other orthopedic surgeons in Cookeville?
Among the 4 orthopedic surgeons in Cookeville, Dr. Turnbull ranks #2 by total Medicare procedure volume. Dr. Turnbull is among the highest-volume surgeons in Cookeville.
What are the quality ratings for hospitals where Dr. Turnbull practices?
Cookeville Regional Medical Center (2 out of 5 CMS stars, hip/knee complication rate similar to national average); Cumberland Medical Center (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 Cookeville, Tennessee
Dr. Turnbull's 49 Medicare procedures are below the Cookeville average of 55. The table below compares verified procedure volumes for orthopedic surgeons practicing in Cookeville.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Gregory Roberts | 110 | Hip, Knee |
| Dr. Michael Pahl | 45 | Knee, Shoulder |
| Dr. Kenneth Grinspun | 15 | Knee |
Patient Reviews & Ratings
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