Dr. Matthew Duffin, MD
Dr. Matthew Duffin is a board-certified orthopedic surgeon practicing in Rock Hill, South Carolina. Dr. Duffin has performed 38 Medicare-verified knee replacements (#65 in South Carolina) and 37 hip replacements, for a combined total of 75 procedures.
In South Carolina, Dr. Duffin performs below average in knee (38 vs 57 avg), below average in hip (37 vs 47 avg).
Dr. Duffin's reported Medicare volume is split between knee replacements (38 cases) and hip replacements (37 cases).
Rock Hill is home to 5 orthopedic surgeons in the current Medicare dataset. Patients in the Rock Hill area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs. Dr. Duffin also maintains hospital privileges in NC and SC, indicating a regional practice that extends beyond South Carolina.
Dr. Duffin first appears in the Medicare dataset in 2022. With 2 years of recorded data, the longitudinal trend is still developing.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Duffin's 38 verified procedures is near 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. Duffin Compares
Procedure volume compared to the South Carolina state average.
Contact & Location
Rock Hill, SC 29732
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Duffin has 2 years of Medicare procedure data beginning in 2022. Additional years of data will provide a clearer picture of volume trends.
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.
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.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
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. Duffin
How does Dr. Duffin's procedure volume compare to other South Carolina surgeons?
Dr. Duffin has performed 75 Medicare-verified joint replacement procedures. This is in line with the South Carolina average of 78 procedures per surgeon. Dr. Duffin ranks #61 out of 151 orthopedic surgeons in South Carolina.
What types of joint replacement does Dr. Duffin perform?
Dr. Duffin's Medicare data shows procedures in knee replacement (38 cases) and hip replacement (37 cases).
Are there other orthopedic surgeons near Dr. Duffin in Rock Hill?
Yes. There are 5 orthopedic surgeons in Rock Hill 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 South Carolina surgeons.
What does the Medicare data for Dr. Duffin 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. Duffin's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 75 procedures shown here.
Does Dr. Duffin perform more than one type of joint replacement?
Yes. Dr. Duffin's Medicare data shows procedures in knee replacement (38 cases), hip replacement (37 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Duffin affiliated with?
According to CMS facility affiliation data, Dr. Duffin is affiliated with Atrium Health Pineville, Carolinas Medical Center/Behav Health, Piedmont Medical Center. Dr. Duffin maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.
How does Dr. Duffin compare to other orthopedic surgeons in Rock Hill?
Among the 5 orthopedic surgeons in Rock Hill, Dr. Duffin ranks #2 by total Medicare procedure volume. Dr. Duffin is among the highest-volume surgeons in Rock Hill.
What are the quality ratings for hospitals where Dr. Duffin practices?
Atrium Health Pineville (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Carolinas Medical Center/Behav Health (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Piedmont 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 Rock Hill, South Carolina
Dr. Duffin's 75 Medicare procedures are above the Rock Hill average of 48. The table below compares verified procedure volumes for orthopedic surgeons practicing in Rock Hill.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Kevin Weiss | 93 | Hip, Knee |
| Dr. Matthew Schwartz | 38 | Shoulder |
| Dr. James Rentz | 19 | Knee |
| Dr. Eugene Powell | 13 | Knee |
Patient Reviews & Ratings
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