Dr. Robert Ellis, MD
Contact & Location
Oxford, MS 38655
Dr. Robert Ellis is a board-certified orthopedic surgeon practicing in Oxford, Mississippi. A Medicare provider since 2017, Dr. Ellis has performed 36 Medicare-verified knee replacements (#31 in Mississippi) and 21 hip replacements, for a combined total of 57 procedures.
In Mississippi, Dr. Ellis performs below average in knee (36 vs 59 avg), below average in hip (21 vs 35 avg).
Dr. Ellis's reported Medicare volume is split between knee replacements (36 cases) and hip replacements (21 cases).
Oxford is home to 6 orthopedic surgeons in the current Medicare dataset. Patients in the Oxford area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Ellis's Medicare data spans 3 years, beginning in 2022. Volume peaked at 143 procedures in 2023 before settling at 57 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Ellis's 36 verified procedures is near 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. Ellis Compares
Procedure volume compared to the Mississippi state average.
Volume Trend Analysis
Dr. Ellis's recorded volume peaked at 143 procedures in 2023 and stood at 57 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.
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.
Home Safety: Creating Your Recovery SanctuaryRoom-by-room modifications, equipment recommendations, and fall-prevention strategies to prepare your home for a safe post-surgical recovery.
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. Ellis
How does Dr. Ellis's procedure volume compare to other Mississippi surgeons?
Dr. Ellis has performed 57 Medicare-verified joint replacement procedures. This is in line with the Mississippi average of 69 procedures per surgeon. Dr. Ellis ranks #32 out of 78 orthopedic surgeons in Mississippi.
What types of joint replacement does Dr. Ellis perform?
Dr. Ellis's Medicare data shows procedures in knee replacement (36 cases) and hip replacement (21 cases).
Are there other orthopedic surgeons near Dr. Ellis in Oxford?
Yes. There are 6 orthopedic surgeons in Oxford 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 Mississippi surgeons.
What does the Medicare data for Dr. Ellis 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. Ellis's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 57 procedures shown here.
Has Dr. Ellis's procedure volume changed over time?
Dr. Ellis's Medicare-recorded volume peaked at 143 procedures in 2023 and was 57 in the most recent data. Volume fluctuations can reflect changes in payer mix, practice focus, or Medicare reporting rather than a change in overall surgical activity.
Does Dr. Ellis perform more than one type of joint replacement?
Yes. Dr. Ellis's Medicare data shows procedures in knee replacement (36 cases), hip replacement (21 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Ellis affiliated with?
According to CMS facility affiliation data, Dr. Ellis is affiliated with Baptist Memorial Hospital North Ms, University Of Mississippi Medical Center- Grenada, North Mississippi Medical Center.
How does Dr. Ellis compare to other orthopedic surgeons in Oxford?
Among the 6 orthopedic surgeons in Oxford, Dr. Ellis ranks #4 by total Medicare procedure volume. The highest-volume surgeon in Oxford has 140 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Ellis practices?
Baptist Memorial Hospital North Ms (3 out of 5 CMS stars, hip/knee complication rate similar to national average); University Of Mississippi Medical Center- Grenada (2 out of 5 CMS stars, insufficient case volume for complication rate comparison); North Mississippi 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 Oxford, Mississippi
Dr. Ellis's 57 Medicare procedures are below the Oxford average of 68. The table below compares verified procedure volumes for orthopedic surgeons practicing in Oxford.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Phillip Sandifer | 140 | Hip, Knee |
| Dr. Kurre Luber | 96 | Knee, Shoulder |
| Dr. Daniel Boyd | 86 | Hip, Knee |
| Dr. Allen Moore | 17 | Shoulder |
| Dr. Cooper Terry | 14 | 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.