Dr. Francis Ennis, MD
Dr. Francis Ennis is a board-certified orthopedic surgeon practicing in Greenwich, Connecticut. A Medicare provider since 2006, Dr. Ennis has performed 80 Medicare-verified knee replacements (#3 in Connecticut) and 20 hip replacements, for a combined total of 100 procedures.
In Connecticut, Dr. Ennis performs well above average in knee (80 vs 34 avg), below average in hip (20 vs 31 avg).
Dr. Ennis's practice is heavily focused on knee replacement surgery, which accounts for 80% of reported Medicare volume.
Greenwich is home to 7 orthopedic surgeons in the current Medicare dataset. Patients in the Greenwich area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Ennis's Medicare record spans 11 years from 2013 through 2023. Procedure volume has remained consistent during that period, ranging from 88 to 129 procedures per year, reflecting a steady joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Ennis's 80 verified procedures is above the national average of 45.
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. Ennis Compares
Procedure volume compared to the Connecticut state average.
Contact & Location
Greenwich, CT 06831
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Ennis's procedure volume has been consistent across 11 years of Medicare data, ranging from 88 to 129 procedures per year. This stability suggests a well-established joint replacement practice.
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.
Prehabilitation: Preparing Your Body for SurgeryEvidence-based exercises and lifestyle adjustments that can improve surgical outcomes and speed recovery when started weeks before your procedure.
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 Bundled Payment Programs for Joint ReplacementHow bundled payment models affect your joint replacement costs and care coordination, and what it means for hospital and surgeon selection.
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. Ennis
How does Dr. Ennis's procedure volume compare to other Connecticut surgeons?
Dr. Ennis has performed 100 Medicare-verified joint replacement procedures. This is more than 2x the Connecticut average of 47 procedures per surgeon. Dr. Ennis ranks #12 out of 101 orthopedic surgeons in Connecticut.
What types of joint replacement does Dr. Ennis perform?
Dr. Ennis's Medicare data shows procedures in knee replacement (80 cases) and hip replacement (20 cases).
How experienced is Dr. Ennis with knee replacement surgery?
Dr. Ennis ranks #3 in Connecticut for knee replacement with 80 Medicare-verified procedures. This high ranking among 101 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Ennis in Greenwich?
Yes. There are 7 orthopedic surgeons in Greenwich 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 Connecticut surgeons.
What does the Medicare data for Dr. Ennis 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. Ennis's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 100 procedures shown here.
Has Dr. Ennis's procedure volume changed over time?
Dr. Ennis's procedure volume has been relatively stable over 11 years of Medicare data, ranging from 88 to 129 procedures per year between 2013 and 2023. Consistent volume over multiple years reflects a steady joint replacement practice.
Does Dr. Ennis perform more than one type of joint replacement?
Yes. Dr. Ennis's Medicare data shows procedures in knee replacement (80 cases), hip replacement (20 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
How does Dr. Ennis compare to other orthopedic surgeons in Greenwich?
Among the 7 orthopedic surgeons in Greenwich, Dr. Ennis ranks #1 by total Medicare procedure volume. Dr. Ennis has the highest verified Medicare volume in the city.
Other Orthopedic Surgeons in Greenwich, Connecticut
Dr. Ennis's 100 Medicare procedures are above the Greenwich average of 65. The table below compares verified procedure volumes for orthopedic surgeons practicing in Greenwich.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Jonathan Berliner | 93 | Hip, Knee |
| Dr. Brian Kavanagh | 70 | Hip, Knee |
| Dr. Seth Miller | 67 | Shoulder |
| Dr. Paul Sethi | 52 | Shoulder |
| Dr. Kevin Choo | 39 | Hip, Knee |
| Dr. Michael Held | 33 | Knee |
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