Dr. Zachary Sisko, M.D.
Dr. Zachary Sisko is a board-certified orthopedic surgeon practicing in Jefferson Hills, Pennsylvania. Dr. Sisko has performed 21 Medicare-verified hip replacements (#133 in Pennsylvania) and 18 knee replacements, for a combined total of 39 procedures.
In Pennsylvania, Dr. Sisko performs below average in hip (21 vs 34 avg), below average in knee (18 vs 45 avg).
Dr. Sisko's reported Medicare volume is split between hip replacements (21 cases) and knee replacements (18 cases).
Jefferson Hills is home to 2 orthopedic surgeons in the current Medicare dataset. Patients in the Jefferson Hills area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Sisko extend back to 2018, covering 4 years of data. Over that period, recorded procedure volume increased from 13 to 39 in the most recent data, a 200% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Sisko's 21 hip replacement procedures is below the national average of 36 among 4,526 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
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. Sisko Compares
Procedure volume compared to the Pennsylvania state average.
Contact & Location
Jefferson Hills, PA 15025
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Sisko's Medicare-recorded procedure volume has trended upward over 4 years, increasing 200% from 13 procedures in 2018 to 39 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.
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.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
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.
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. Sisko
How does Dr. Sisko's procedure volume compare to other Pennsylvania surgeons?
Dr. Sisko has performed 39 Medicare-verified joint replacement procedures. The Pennsylvania average is 63 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Sisko ranks #216 out of 388 orthopedic surgeons in Pennsylvania.
What types of joint replacement does Dr. Sisko perform?
Dr. Sisko's Medicare data shows procedures in hip replacement (21 cases) and knee replacement (18 cases).
Are there other orthopedic surgeons near Dr. Sisko in Jefferson Hills?
Yes. There are 2 orthopedic surgeons in Jefferson Hills 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 Pennsylvania surgeons.
What does the Medicare data for Dr. Sisko 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. Sisko's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 39 procedures shown here.
Has Dr. Sisko's procedure volume changed over time?
Yes. Dr. Sisko's Medicare-recorded volume has increased from 13 procedures in 2018 to 39 in the most recent data, a 200% increase over 4 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 39 procedures in 2023.
Does Dr. Sisko perform more than one type of joint replacement?
Yes. Dr. Sisko's Medicare data shows procedures in hip replacement (21 cases), knee replacement (18 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Sisko affiliated with?
According to CMS facility affiliation data, Dr. Sisko is affiliated with Jefferson Hospital.
What are the quality ratings for hospitals where Dr. Sisko practices?
Jefferson 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 Jefferson Hills, Pennsylvania
Dr. Sisko's 39 Medicare procedures are above the Jefferson Hills average of 27. The table below compares verified procedure volumes for orthopedic surgeons practicing in Jefferson Hills.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Christopher Radkowski | 14 | Knee |
Patient Reviews & Ratings
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