Dr. John Masonis, MD
Dr. John Masonis is a board-certified orthopedic surgeon practicing in Charlotte, North Carolina. A Medicare provider since 2005, Dr. Masonis has performed 70 Medicare-verified hip replacements (#18 in North Carolina) and 61 knee replacements, for a combined total of 131 procedures.
In North Carolina, Dr. Masonis performs well above average in hip (70 vs 33 avg), above average in knee (61 vs 44 avg).
Dr. Masonis's reported Medicare volume is split between hip replacements (70 cases) and knee replacements (61 cases).
Beyond general orthopedic surgery, Dr. Masonis holds additional credentials in Adult Reconstructive Orthopaedic Surgery, reflecting subspecialty training that may benefit patients with complex joint conditions.
Charlotte is home to 34 orthopedic surgeons in the current Medicare dataset. Patients in the Charlotte area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Masonis extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 112 to 131 in the most recent data, a 17% increase. This sustained growth reflects an expanding joint replacement practice.
Among 4,526 hip replacement surgeons tracked nationally, Dr. Masonis's 70 verified procedures is above the national average of 36.
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. Masonis Compares
Procedure volume compared to the North Carolina state average.
Contact & Location
Charlotte, NC 28207
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Masonis's Medicare-recorded procedure volume has trended upward over 11 years, increasing 17% from 112 procedures in 2013 to 131 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 Hip Replacement
If you are considering hip replacement surgery, these evidence-based guides can help you prepare and recover:
Understanding the progression from conservative treatments to surgical intervention, and how to determine when hip replacement becomes the right choice.
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.
Hip Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after hip replacement surgery:
Individual recovery varies based on overall health, age, and adherence to physical therapy. View full hip replacement recovery guide and product recommendations
Frequently Asked Questions About Dr. Masonis
How does Dr. Masonis's procedure volume compare to other North Carolina surgeons?
Dr. Masonis has performed 131 Medicare-verified joint replacement procedures. This is more than 2x the North Carolina average of 63 procedures per surgeon. Dr. Masonis ranks #34 out of 294 orthopedic surgeons in North Carolina.
What types of joint replacement does Dr. Masonis perform?
Dr. Masonis's Medicare data shows procedures in hip replacement (70 cases) and knee replacement (61 cases).
How experienced is Dr. Masonis with hip replacement surgery?
Dr. Masonis ranks #18 in North Carolina for hip replacement with 70 Medicare-verified procedures. This high ranking among 294 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Masonis in Charlotte?
Yes. There are 34 orthopedic surgeons in Charlotte 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 North Carolina surgeons.
What does the Medicare data for Dr. Masonis 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. Masonis's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 131 procedures shown here.
Has Dr. Masonis's procedure volume changed over time?
Yes. Dr. Masonis's Medicare-recorded volume has increased from 112 procedures in 2013 to 131 in the most recent data, a 17% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 150 procedures in 2022.
Does Dr. Masonis perform more than one type of joint replacement?
Yes. Dr. Masonis's Medicare data shows procedures in hip replacement (70 cases), knee replacement (61 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Masonis affiliated with?
According to CMS facility affiliation data, Dr. Masonis is affiliated with Carolinas Medical Center/Behav Health, Novant Health Huntersville Medical Center.
How does Dr. Masonis compare to other orthopedic surgeons in Charlotte?
Among the 34 orthopedic surgeons in Charlotte, Dr. Masonis ranks #6 by total Medicare procedure volume. The highest-volume surgeon in Charlotte has 274 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Masonis practices?
Carolinas Medical Center/Behav Health (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Novant Health Huntersville Medical Center (4 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 Charlotte, North Carolina
Dr. Masonis's 131 Medicare procedures are below the Charlotte average of 180. The table below compares verified procedure volumes for orthopedic surgeons practicing in Charlotte.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Howard Homesley | 274 | Hip, Knee |
| Dr. Ronald Singer | 238 | Hip, Knee |
| Dr. John Mason | 180 | Hip, Knee |
| Dr. Omar Behery | 159 | Hip, Knee |
| Dr. Eric Lee | 150 | Hip, Knee |
| Dr. Jesse Otero | 128 | Hip, Knee |
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