Dr. Robert Hay, M.D.
Dr. Robert Hay is a board-certified orthopedic surgeon practicing in Mount Pleasant, South Carolina. Dr. Hay has performed 74 Medicare-verified knee replacements (#34 in South Carolina) and 31 hip replacements, for a combined total of 105 procedures.
In South Carolina, Dr. Hay performs above average in knee (74 vs 57 avg), below average in hip (31 vs 47 avg).
Dr. Hay's reported Medicare volume is split between knee replacements (74 cases) and hip replacements (31 cases).
Mount Pleasant is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Mount Pleasant area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Hay extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 53 to 105 in the most recent data, a 98% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Hay's 74 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. Hay Compares
Procedure volume compared to the South Carolina state average.
Contact & Location
Mount Pleasant, SC 29464
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Hay's Medicare-recorded procedure volume has trended upward over 11 years, increasing 98% from 53 procedures in 2013 to 105 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. Hay
How does Dr. Hay's procedure volume compare to other South Carolina surgeons?
Dr. Hay has performed 105 Medicare-verified joint replacement procedures. This is in line with the South Carolina average of 78 procedures per surgeon. Dr. Hay ranks #40 out of 151 orthopedic surgeons in South Carolina.
What types of joint replacement does Dr. Hay perform?
Dr. Hay's Medicare data shows procedures in knee replacement (74 cases) and hip replacement (31 cases).
Are there other orthopedic surgeons near Dr. Hay in Mount Pleasant?
Yes. There are 3 orthopedic surgeons in Mount Pleasant 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. Hay 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. Hay's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 105 procedures shown here.
Has Dr. Hay's procedure volume changed over time?
Yes. Dr. Hay's Medicare-recorded volume has increased from 53 procedures in 2013 to 105 in the most recent data, a 98% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 105 procedures in 2023.
Does Dr. Hay perform more than one type of joint replacement?
Yes. Dr. Hay's Medicare data shows procedures in knee replacement (74 cases), hip replacement (31 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Hay affiliated with?
According to CMS facility affiliation data, Dr. Hay is affiliated with Roper Hospital, Mount Pleasant Hospital, Bon Secours-St Francis Xavier Hospital, Roper St Francis Hospital-Berkely Inc.
How does Dr. Hay compare to other orthopedic surgeons in Mount Pleasant?
Among the 3 orthopedic surgeons in Mount Pleasant, Dr. Hay ranks #1 by total Medicare procedure volume. Dr. Hay has the highest verified Medicare volume in the city.
What are the quality ratings for hospitals where Dr. Hay practices?
Roper Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Mount Pleasant Hospital (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Bon Secours-St Francis Xavier Hospital (4 out of 5 CMS stars). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.
Other Orthopedic Surgeons in Mount Pleasant, South Carolina
Dr. Hay's 105 Medicare procedures are above the Mount Pleasant average of 46. The table below compares verified procedure volumes for orthopedic surgeons practicing in Mount Pleasant.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. James Demarco | 19 | Shoulder |
| Dr. William Estes | 13 | Knee |
Patient Reviews & Ratings
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