Dr. Robert Williamson, M.D.
Dr. Robert Williamson is a board-certified orthopedic surgeon practicing in Mount Airy, North Carolina. A Medicare provider since 2005, Dr. Williamson has completed 63 knee replacements (#49 in North Carolina), 15 hip replacements, and 12 shoulder replacements, totaling 90 Medicare-verified procedures.
In North Carolina, Dr. Williamson performs above average in knee (63 vs 44 avg), below average in hip (15 vs 33 avg), below average in shoulder (12 vs 26 avg).
Dr. Williamson performs all three major joint replacement procedures — hip, knee, and shoulder — indicating a broad scope of orthopedic practice. The largest share is knee replacements (63 cases), followed by hip replacements (15) and shoulder replacements (12).
Dr. Williamson is the only orthopedic surgeon in Mount Airy represented in the current Medicare dataset, serving as the primary local option for patients considering joint replacement surgery in the area.
Medicare records for Dr. Williamson extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 19 to 90 in the most recent data, a 374% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Williamson's 63 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. Williamson Compares
Procedure volume compared to the North Carolina state average.
Contact & Location
Mount Airy, NC 27030
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Williamson's Medicare-recorded procedure volume has trended upward over 11 years, increasing 374% from 19 procedures in 2013 to 90 in the most recent data.
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.
What to Expect on the Day of SurgeryA step-by-step walkthrough of your surgical day, from pre-op preparation through anesthesia, the procedure itself, and the first hours of recovery.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
Medicare Coverage for Joint ReplacementWhat Medicare Part A and Part B cover for joint replacement surgery, including hospital stays, surgeon fees, anesthesia, and physical therapy.
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. Williamson
How does Dr. Williamson's procedure volume compare to other North Carolina surgeons?
Dr. Williamson has performed 90 Medicare-verified joint replacement procedures. This is in line with the North Carolina average of 63 procedures per surgeon. Dr. Williamson ranks #59 out of 294 orthopedic surgeons in North Carolina.
What types of joint replacement does Dr. Williamson perform?
Dr. Williamson performs all three major joint replacement procedures: knee replacement (63 cases), hip replacement (15 cases), shoulder replacement (12 cases). This breadth indicates a comprehensive orthopedic joint replacement practice.
Where is Dr. Williamson's practice located?
Dr. Williamson practices in Mount Airy, North Carolina. The office is located at 314 S South St Ste 100, Mount Airy, NC 27030. Patients in the surrounding area can consult Dr. Williamson for joint replacement evaluation.
What does the Medicare data for Dr. Williamson 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. Williamson's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 90 procedures shown here.
Has Dr. Williamson's procedure volume changed over time?
Yes. Dr. Williamson's Medicare-recorded volume has increased from 19 procedures in 2013 to 90 in the most recent data, a 374% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 90 procedures in 2023.
Does Dr. Williamson perform more than one type of joint replacement?
Yes. Dr. Williamson's Medicare data shows procedures in knee replacement (63 cases), hip replacement (15 cases), shoulder replacement (12 cases). Performing all three major joint replacements places Dr. Williamson among the 5% of orthopedic surgeons nationally who cover hip, knee, and shoulder arthroplasty.
Which hospitals is Dr. Williamson affiliated with?
According to CMS facility affiliation data, Dr. Williamson is affiliated with Northern Regional Hospital.
What are the quality ratings for hospitals where Dr. Williamson practices?
Northern Regional Hospital (4 out of 5 CMS stars, insufficient case volume for complication rate comparison). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.
Patient Reviews & Ratings
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