Knee
Dr. Aran O'malley, MD
Dr. Aran O'malley is a board-certified orthopedic surgeon practicing in Lancaster, South Carolina. Dr. O'malley has performed 12 Medicare-verified knee replacements, ranking #121 in South Carolina.
In South Carolina, Dr. O'malley performs below average in knee (12 vs 57 avg).
Dr. O'malley's Medicare data shows a focused knee replacement practice with 12 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.
Dr. O'malley is the only orthopedic surgeon in Lancaster represented in the current Medicare dataset, serving as the primary local option for patients considering joint replacement surgery in the area.
Dr. O'malley first appears in the Medicare dataset in 2023. With 1 year of recorded data, the longitudinal trend is still developing.
Dr. O'malley's 12 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. O'malley Compares
Procedure volume compared to the South Carolina state average.
Contact & Location
Lancaster, SC 29720
Verified Case Volume Trends (2013-Current)
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. O'malley
How does Dr. O'malley's procedure volume compare to other South Carolina surgeons?
Dr. O'malley has performed 12 Medicare-verified joint replacement procedures. The South Carolina average is 78 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. O'malley ranks #146 out of 151 orthopedic surgeons in South Carolina.
What types of joint replacement does Dr. O'malley perform?
Dr. O'malley's reported Medicare volume is focused on knee replacement, with 12 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Where is Dr. O'malley's practice located?
Dr. O'malley practices in Lancaster, South Carolina. The office is located at 901 West Meeting St, Lancaster, SC 29720. Patients in the surrounding area can consult Dr. O'malley for joint replacement evaluation.
What does the Medicare data for Dr. O'malley 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. O'malley's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 12 procedures shown here.
Which hospitals is Dr. O'malley affiliated with?
According to CMS facility affiliation data, Dr. O'malley is affiliated with Musc Health Lancaster Medical Center, Musc Medical Center.
What are the quality ratings for hospitals where Dr. O'malley practices?
Musc Health Lancaster Medical Center (2 out of 5 CMS stars, insufficient case volume for complication rate comparison); Musc Medical Center (3 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.
Patient Reviews & Ratings
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