Dr. Robert Kay, MD
Dr. Robert Kay is a board-certified orthopedic surgeon practicing in Boston, Massachusetts. A Medicare provider since 2018, Dr. Kay has performed 36 Medicare-verified knee replacements (#91 in Massachusetts) and 21 hip replacements, for a combined total of 57 procedures.
In Massachusetts, Dr. Kay performs below average in knee (36 vs 51 avg), below average in hip (21 vs 44 avg).
Dr. Kay's reported Medicare volume is split between knee replacements (36 cases) and hip replacements (21 cases).
Boston is home to 50 orthopedic surgeons in the current Medicare dataset. Patients in the Boston area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Kay first appears in the Medicare dataset in 2023. With 1 year of recorded data, the longitudinal trend is still developing.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Kay's 36 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. Kay Compares
Procedure volume compared to the Massachusetts state average.
Contact & Location
Boston, MA 02114
Verified Case Volume Trends (2013-Current)
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.
Rehabilitation Roadmap: Your Complete Recovery GuideA structured physical therapy progression from the first post-op exercises through full strength and mobility restoration over 3 to 6 months.
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. Kay
How does Dr. Kay's procedure volume compare to other Massachusetts surgeons?
Dr. Kay has performed 57 Medicare-verified joint replacement procedures. The Massachusetts average is 74 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Kay ranks #94 out of 202 orthopedic surgeons in Massachusetts.
What types of joint replacement does Dr. Kay perform?
Dr. Kay's Medicare data shows procedures in knee replacement (36 cases) and hip replacement (21 cases).
Are there other orthopedic surgeons near Dr. Kay in Boston?
Yes. There are 50 orthopedic surgeons in Boston 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 Massachusetts surgeons.
What does the Medicare data for Dr. Kay 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. Kay's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 57 procedures shown here.
Does Dr. Kay perform more than one type of joint replacement?
Yes. Dr. Kay's Medicare data shows procedures in knee replacement (36 cases), hip replacement (21 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
How does Dr. Kay compare to other orthopedic surgeons in Boston?
Among the 50 orthopedic surgeons in Boston, Dr. Kay ranks #28 by total Medicare procedure volume. The highest-volume surgeon in Boston has 312 verified Medicare procedures.
Other Orthopedic Surgeons in Boston, Massachusetts
Dr. Kay's 57 Medicare procedures are below the Boston average of 192. The table below compares verified procedure volumes for orthopedic surgeons practicing in Boston.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Carl Talmo | 312 | Hip, Knee |
| Dr. Young-Min Kwon | 229 | Hip, Knee |
| Dr. James Bono | 214 | Hip, Knee |
| Dr. Dennis Burke | 210 | Hip, Knee |
| Dr. Eric Smith | 164 | Hip, Knee |
| Dr. Wolfgang Fitz | 156 | Knee |
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