Knee
Dr. Gregory Difelice, M.D.
Dr. Gregory Difelice is a board-certified orthopedic surgeon practicing in New York, New York. A Medicare provider since 2006, Dr. Difelice has performed 24 Medicare-verified knee replacements, ranking #161 in New York.
In New York, Dr. Difelice performs below average in knee (24 vs 45 avg).
Dr. Difelice's Medicare data shows a focused knee replacement practice with 24 verified procedures. Surgeons who concentrate on a single procedure type often develop deep procedural expertise, though total practice volume may include additional procedures not captured in Medicare fee-for-service data.
Beyond general orthopedic surgery, Dr. Difelice holds additional credentials in Adult Reconstructive Orthopaedic Surgery and Sports Medicine, reflecting subspecialty training that may benefit patients with complex joint conditions.
New York is home to 84 orthopedic surgeons in the current Medicare dataset. Patients in the New York area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Difelice's Medicare data spans 8 years, beginning in 2014. Volume peaked at 41 procedures in 2016 before settling at 24 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Dr. Difelice's 24 knee replacement procedures is below the national average of 45 among 6,720 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
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. Difelice Compares
Procedure volume compared to the New York state average.
Contact & Location
New York, NY 10021
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Difelice's recorded volume peaked at 41 procedures in 2016 and stood at 24 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.
Recovery Timeline: Week-by-Week ExpectationsA detailed week-by-week guide covering pain levels, mobility milestones, physical therapy progression, and when to expect a return to daily activities.
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. Difelice
How does Dr. Difelice's procedure volume compare to other New York surgeons?
Dr. Difelice has performed 24 Medicare-verified joint replacement procedures. The New York average is 67 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Difelice ranks #235 out of 338 orthopedic surgeons in New York.
What types of joint replacement does Dr. Difelice perform?
Dr. Difelice's reported Medicare volume is focused on knee replacement, with 24 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Difelice in New York?
Yes. There are 84 orthopedic surgeons in New York 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 New York surgeons.
What does the Medicare data for Dr. Difelice 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. Difelice's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 24 procedures shown here.
Has Dr. Difelice's procedure volume changed over time?
Dr. Difelice's Medicare-recorded volume peaked at 41 procedures in 2016 and was 24 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.
Which hospitals is Dr. Difelice affiliated with?
According to CMS facility affiliation data, Dr. Difelice is affiliated with Hospital For Special Surgery.
How does Dr. Difelice compare to other orthopedic surgeons in New York?
Among the 84 orthopedic surgeons in New York, Dr. Difelice ranks #64 by total Medicare procedure volume. The highest-volume surgeon in New York has 320 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Difelice practices?
Hospital For Special Surgery (5 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 New York, New York
Dr. Difelice's 24 Medicare procedures are below the New York average of 220. The table below compares verified procedure volumes for orthopedic surgeons practicing in New York.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Amar Ranawat | 320 | Hip, Knee |
| Dr. Brian Chalmers | 255 | Hip, Knee |
| Dr. Jason Blevins | 239 | Hip, Knee |
| Dr. Alexander McLawhorn | 238 | Hip, Knee |
| Dr. Alberto Carli | 235 | Hip, Knee |
| Dr. Matthew Austin | 231 | Hip, Knee |
Patient Reviews & Ratings
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