Dr. Gregory Roberts, MD
Contact & Location
Cookeville, TN 38501
Dr. Gregory Roberts is a board-certified orthopedic surgeon practicing in Cookeville, Tennessee. A Medicare provider since 2005, Dr. Roberts has performed 71 Medicare-verified knee replacements (#27 in Tennessee) and 46 hip replacements, for a combined total of 117 procedures.
In Tennessee, Dr. Roberts performs above average in knee (71 vs 46 avg), above average in hip (46 vs 36 avg).
Dr. Roberts's reported Medicare volume is split between knee replacements (71 cases) and hip replacements (46 cases).
Cookeville is home to 5 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.
Medicare records for Dr. Roberts extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 66 to 117 in the most recent data, a 77% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Roberts's 71 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. Roberts Compares
Procedure volume compared to the Tennessee state average.
Volume Trend Analysis
Dr. Roberts's Medicare-recorded procedure volume has trended upward over 12 years, increasing 77% from 66 procedures in 2013 to 117 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.
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.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
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. Roberts
How does Dr. Roberts's procedure volume compare to other Tennessee surgeons?
Dr. Roberts has performed 117 Medicare-verified joint replacement procedures. This is significantly above the Tennessee average of 65 procedures per surgeon. Dr. Roberts ranks #32 out of 219 orthopedic surgeons in Tennessee.
What types of joint replacement does Dr. Roberts perform?
Dr. Roberts's Medicare data shows procedures in knee replacement (71 cases) and hip replacement (46 cases).
Are there other orthopedic surgeons near Dr. Roberts in Cookeville?
Yes. There are 5 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. Roberts 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. Roberts's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 117 procedures shown here.
Has Dr. Roberts's procedure volume changed over time?
Yes. Dr. Roberts's Medicare-recorded volume has increased from 66 procedures in 2013 to 117 in the most recent data, a 77% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 117 procedures in 2024.
Does Dr. Roberts perform more than one type of joint replacement?
Yes. Dr. Roberts's Medicare data shows procedures in knee replacement (71 cases), hip replacement (46 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Roberts affiliated with?
According to CMS facility affiliation data, Dr. Roberts is affiliated with Cookeville Regional Medical Center, Ascension Saint Thomas River Park Hospital, Cumberland Medical Center, Livingston Regional Hospital.
How does Dr. Roberts compare to other orthopedic surgeons in Cookeville?
Among the 5 orthopedic surgeons in Cookeville, Dr. Roberts ranks #2 by total Medicare procedure volume. Dr. Roberts is among the highest-volume surgeons in Cookeville.
What are the quality ratings for hospitals where Dr. Roberts practices?
Cookeville Regional Medical Center (2 out of 5 CMS stars, hip/knee complication rate similar to national average); Ascension Saint Thomas River Park Hospital (4 out of 5 CMS stars, insufficient case volume for complication rate comparison); 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. Roberts's 117 Medicare procedures are above the Cookeville average of 79. The table below compares verified procedure volumes for orthopedic surgeons practicing in Cookeville.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Taylor Dennison | 159 | Hip, Knee |
| Dr. John Turnbull | 71 | Hip, Knee |
| Dr. Michael Pahl | 32 | Shoulder |
| Dr. Kenneth Grinspun | 16 | 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.