Knee
Dr. Keith Zeliger, DO
Dr. Keith Zeliger is a board-certified orthopedic surgeon practicing in Saint Marys, Pennsylvania. Dr. Zeliger has performed 20 Medicare-verified knee replacements, ranking #230 in Pennsylvania.
In Pennsylvania, Dr. Zeliger performs below average in knee (20 vs 45 avg).
Dr. Zeliger's Medicare data shows a focused knee replacement practice with 20 verified procedures. Surgeons who concentrate on a single procedure type often develop deep procedural expertise, though total practice volume may include additional procedures not captured in Medicare fee-for-service data.
Dr. Zeliger is the only orthopedic surgeon in Saint Marys represented in the current Medicare dataset, serving as the primary local option for patients considering joint replacement surgery in the area.
Medicare records for Dr. Zeliger extend back to 2016, covering 8 years of data. Over that period, recorded procedure volume increased from 17 to 20 in the most recent data, a 18% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Zeliger's 20 knee replacement procedures is below the national average of 45 among 6,720 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. Zeliger Compares
Procedure volume compared to the Pennsylvania state average.
Contact & Location
Saint Marys, PA 15857
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Zeliger's Medicare-recorded procedure volume has trended upward over 8 years, increasing 18% from 17 procedures in 2016 to 20 in the most recent data.
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.
Recovery Timeline: Week-by-Week ExpectationsA detailed week-by-week guide covering pain levels, mobility milestones, physical therapy progression, and when to expect a return to daily activities.
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. Zeliger
How does Dr. Zeliger's procedure volume compare to other Pennsylvania surgeons?
Dr. Zeliger has performed 20 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. Zeliger ranks #307 out of 388 orthopedic surgeons in Pennsylvania.
What types of joint replacement does Dr. Zeliger perform?
Dr. Zeliger's reported Medicare volume is focused on knee replacement, with 20 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Where is Dr. Zeliger's practice located?
Dr. Zeliger practices in Saint Marys, Pennsylvania. The office is located at 761 Johnsonburg Rd Ste 310, Saint Marys, PA 15857. Patients in the surrounding area can consult Dr. Zeliger for joint replacement evaluation.
What does the Medicare data for Dr. Zeliger 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. Zeliger's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 20 procedures shown here.
Has Dr. Zeliger's procedure volume changed over time?
Yes. Dr. Zeliger's Medicare-recorded volume has increased from 17 procedures in 2016 to 20 in the most recent data, a 18% increase over 8 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 30 procedures in 2019.
Patient Reviews & Ratings
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