Dr. Todd Grebner, D.O.
Contact & Location
423-624-2696
Chattanooga, TN 37404
About Dr. Grebner
Dr. Todd Grebner is a board-certified orthopedic surgeon practicing in Chattanooga, Tennessee. A Medicare provider since 2007, Dr. Grebner performed 31 Medicare-verified knee replacements (#98 in Tennessee) and 23 hip replacements in the latest annual CMS data, for a combined total of 54 procedures.
In Tennessee, Dr. Grebner performs below the state average in knee (31 vs 46), below the state average in hip (23 vs 36).
Dr. Grebner's reported Medicare volume is split between knee replacements (31 cases) and hip replacements (23 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. Grebner extend back to 2016, covering 9 years of data. Over that period, recorded procedure volume increased from 16 to 54 in the most recent data, a 238% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Grebner's 31 knee replacement procedures is below the national average of 45 among 6,599 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
Verified Case Volume Trends (2013-Current)
| Year | Hip Replacement | Knee Replacement |
|---|---|---|
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 16 |
| 2017 | 0 | 17 |
| 2018 | 0 | 27 |
| 2019 | 19 | 27 |
| 2020 | 0 | 34 |
| 2021 | 0 | 36 |
| 2022 | 13 | 41 |
| 2023 | 16 | 31 |
| 2024 | 23 | 31 |
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. Grebner Compares
Procedure volume compared to the Tennessee state average.
Volume Trend Analysis
Dr. Grebner's Medicare-recorded procedure volume has trended upward over 9 years, increasing 238% from 16 procedures in 2016 to 54 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.
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. Grebner
How does Dr. Grebner's procedure volume compare to other Tennessee surgeons?
Dr. Grebner has performed 54 Medicare-verified joint replacement procedures. This is in line with the Tennessee average of 65 procedures per surgeon. Dr. Grebner ranks #101 out of 219 orthopedic surgeons in Tennessee.
What types of joint replacement does Dr. Grebner perform?
Dr. Grebner's Medicare data shows procedures in knee replacement (31 cases) and hip replacement (23 cases).
Are there other orthopedic surgeons near Dr. Grebner 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. Grebner 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. Grebner's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 54 procedures shown here.
Has Dr. Grebner's procedure volume changed over time?
Yes. Dr. Grebner's Medicare-recorded volume has increased from 16 procedures in 2016 to 54 in the most recent data, a 238% increase over 9 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 54 procedures in 2022.
Does Dr. Grebner perform more than one type of joint replacement?
Yes. Dr. Grebner's Medicare data shows procedures in knee replacement (31 cases), hip replacement (23 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Grebner affiliated with?
According to CMS facility affiliation data, Dr. Grebner is affiliated with Bradley Medical Center.
How does Dr. Grebner compare to other orthopedic surgeons in Chattanooga?
Among the 18 orthopedic surgeons in Chattanooga, Dr. Grebner ranks #13 by total Medicare procedure volume. The highest-volume surgeon in Chattanooga has 311 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Grebner practices?
Bradley Medical Center (2 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. Grebner's 54 Medicare procedures are below the Chattanooga average of 153. The table below compares verified procedure volumes for orthopedic surgeons practicing in Chattanooga.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. William Ballard | 311 | Hip, Knee |
| Dr. John Nash | 200 | 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 |
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.