Dr. John Tilzey, MD
Dr. John Tilzey is a board-certified orthopedic surgeon practicing in Burlington, Massachusetts. A Medicare provider since 2006, Dr. Tilzey has performed 45 Medicare-verified knee replacements (#69 in Massachusetts) and 42 hip replacements, for a combined total of 87 procedures.
In Massachusetts, Dr. Tilzey performs near average in knee (45 vs 51 avg), near average in hip (42 vs 44 avg).
Dr. Tilzey's reported Medicare volume is split between knee replacements (45 cases) and hip replacements (42 cases).
Beyond general orthopedic surgery, Dr. Tilzey holds additional credentials in Adult Reconstructive Orthopaedic Surgery, reflecting subspecialty training that may benefit patients with complex joint conditions.
Burlington is home to 7 orthopedic surgeons in the current Medicare dataset. Patients in the Burlington area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Tilzey's Medicare data spans 11 years, beginning in 2013. Volume peaked at 134 procedures in 2019 before settling at 87 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Tilzey's 45 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. Tilzey Compares
Procedure volume compared to the Massachusetts state average.
Contact & Location
Burlington, MA 01805
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Tilzey's recorded volume peaked at 134 procedures in 2019 and stood at 87 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.
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.
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.
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. Tilzey
How does Dr. Tilzey's procedure volume compare to other Massachusetts surgeons?
Dr. Tilzey has performed 87 Medicare-verified joint replacement procedures. This is in line with the Massachusetts average of 74 procedures per surgeon. Dr. Tilzey ranks #65 out of 202 orthopedic surgeons in Massachusetts.
What types of joint replacement does Dr. Tilzey perform?
Dr. Tilzey's Medicare data shows procedures in knee replacement (45 cases) and hip replacement (42 cases).
Are there other orthopedic surgeons near Dr. Tilzey in Burlington?
Yes. There are 7 orthopedic surgeons in Burlington 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. Tilzey 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. Tilzey's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 87 procedures shown here.
Has Dr. Tilzey's procedure volume changed over time?
Dr. Tilzey's Medicare-recorded volume peaked at 134 procedures in 2019 and was 87 in the most recent data. Volume fluctuations can reflect changes in payer mix, practice focus, or Medicare reporting rather than a change in overall surgical activity.
Does Dr. Tilzey perform more than one type of joint replacement?
Yes. Dr. Tilzey's Medicare data shows procedures in knee replacement (45 cases), hip replacement (42 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Tilzey affiliated with?
According to CMS facility affiliation data, Dr. Tilzey is affiliated with Lahey Hospital & Medical Center, Burlington, Beverly Hospital Corporation, Winchester Hospital.
How does Dr. Tilzey compare to other orthopedic surgeons in Burlington?
Among the 7 orthopedic surgeons in Burlington, Dr. Tilzey ranks #1 by total Medicare procedure volume. Dr. Tilzey has the highest verified Medicare volume in the city.
What are the quality ratings for hospitals where Dr. Tilzey practices?
Lahey Hospital & Medical Center, Burlington (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Beverly Hospital Corporation (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Winchester Hospital (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.
Other Orthopedic Surgeons in Burlington, Massachusetts
Dr. Tilzey's 87 Medicare procedures are above the Burlington average of 42. The table below compares verified procedure volumes for orthopedic surgeons practicing in Burlington.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Lawrence Specht | 83 | Hip, Knee |
| Dr. Richard Iorio | 47 | Hip, Knee |
| Dr. Mark Lemos | 28 | Knee, Shoulder |
| Dr. Brian Jolley | 26 | Knee |
| Dr. Brian Samuelsen | 13 | Knee |
| Dr. Paul Smiley | 13 | Shoulder |
Patient Reviews & Ratings
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