Dr. Gavan Duffy, M.D.
Contact & Location
Jacksonville, FL 32256
Dr. Gavan Duffy is a board-certified orthopedic surgeon practicing in Jacksonville, Florida. A Medicare provider since 2005, Dr. Duffy has performed 125 Medicare-verified knee replacements (#25 in Florida) and 29 hip replacements, for a combined total of 154 procedures.
In Florida, Dr. Duffy performs well above average in knee (125 vs 48 avg), below average in hip (29 vs 40 avg).
Dr. Duffy's practice is heavily focused on knee replacement surgery, which accounts for 81% of reported Medicare volume.
Jacksonville is home to 23 orthopedic surgeons in the current Medicare dataset. Patients in the Jacksonville area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Duffy's Medicare data spans 12 years, beginning in 2013. Volume peaked at 370 procedures in 2016 before settling at 154 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. Duffy's 125 verified procedures is more than 2x 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. Duffy Compares
Procedure volume compared to the Florida state average.
Volume Trend Analysis
Dr. Duffy's recorded volume peaked at 370 procedures in 2016 and stood at 154 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.
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.
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.
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. Duffy
How does Dr. Duffy's procedure volume compare to other Florida surgeons?
Dr. Duffy has performed 154 Medicare-verified joint replacement procedures. This is more than 2x the Florida average of 72 procedures per surgeon. Dr. Duffy ranks #55 out of 523 orthopedic surgeons in Florida.
What types of joint replacement does Dr. Duffy perform?
Dr. Duffy's Medicare data shows procedures in knee replacement (125 cases) and hip replacement (29 cases).
Are there other orthopedic surgeons near Dr. Duffy in Jacksonville?
Yes. There are 23 orthopedic surgeons in Jacksonville 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 Florida surgeons.
What does the Medicare data for Dr. Duffy 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. Duffy's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 154 procedures shown here.
Has Dr. Duffy's procedure volume changed over time?
Dr. Duffy's Medicare-recorded volume peaked at 370 procedures in 2016 and was 154 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. Duffy perform more than one type of joint replacement?
Yes. Dr. Duffy's Medicare data shows procedures in knee replacement (125 cases), hip replacement (29 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Duffy affiliated with?
According to CMS facility affiliation data, Dr. Duffy is affiliated with Ascension St Vincent'S Southside, Baptist Medical Center Jacksonville.
How does Dr. Duffy compare to other orthopedic surgeons in Jacksonville?
Among the 23 orthopedic surgeons in Jacksonville, Dr. Duffy ranks #5 by total Medicare procedure volume. The highest-volume surgeon in Jacksonville has 266 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Duffy practices?
Ascension St Vincent'S Southside (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Baptist Medical Center Jacksonville (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 Jacksonville, Florida
Dr. Duffy's 154 Medicare procedures are below the Jacksonville average of 172. The table below compares verified procedure volumes for orthopedic surgeons practicing in Jacksonville.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. John Redmond | 266 | Hip, Knee |
| Dr. Brett Frykberg | 194 | Hip, Knee |
| Dr. Phillip Bell | 171 | Hip, Knee |
| Dr. Cedric Ortiguera | 164 | Knee, Shoulder |
| Dr. William Pujadas | 133 | Hip, Knee, Shoulder |
| Dr. Luke Spencer-Gardner | 122 | Hip |
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.