Dr. Evan Zahner is a board-certified orthopedic surgeon practicing in Stoneham, Massachusetts. In 2023, Dr. Zahner performed 39 Medicare-verified hip replacements (#52 in Massachusetts) and 33 knee replacements, for a combined total of 72 procedures.
Dr. Zahner's 72 Medicare procedures are near the Massachusetts median of 54. The state has 202 orthopedic surgeons in the current Medicare dataset. Medicare fee-for-service data captures roughly 33–37% of all joint replacements, so total surgical volume is likely higher.
Dr. Zahner's reported Medicare volume is split between hip replacements (39 cases) and knee replacements (33 cases).
Stoneham is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Stoneham area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Verified Medicare Cases (2023)
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.
Hospital Affiliations
Verified Case Volume Trends (2013-2023)
Frequently Asked Questions About Dr. Zahner
How does Dr. Zahner's procedure volume compare to other Massachusetts surgeons?
In 2023, Dr. Zahner performed 72 Medicare-verified joint replacement procedures. This is in line with the Massachusetts average of 74 procedures per surgeon. Dr. Zahner ranks #82 out of 202 orthopedic surgeons in Massachusetts.
What types of joint replacement does Dr. Zahner perform?
Dr. Zahner's Medicare data shows procedures in hip replacement (39 cases) and knee replacement (33 cases).
Are there other orthopedic surgeons near Dr. Zahner in Stoneham?
Yes. There are 3 orthopedic surgeons in Stoneham 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. Zahner represent?
The procedure counts shown are based on Medicare Part B fee-for-service claims data for 2023, published by the Centers for Medicare and Medicaid Services (CMS). This captures approximately 33–37% of all joint replacements performed nationally. Dr. Zahner's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 72 procedures shown here.
Other Orthopedic Surgeons in Stoneham, Massachusetts
Compare Dr. Zahner's volume with other surgeons practicing in Stoneham.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Abraham Shurland | 44 | Knee |
| Dr. Marie Walcott | 15 | Shoulder |
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Stoneham, MA 02180