Dr. Thomas Renz, D.O.
Dr. Thomas Renz is a board-certified orthopedic surgeon practicing in Lancaster, Pennsylvania. Dr. Renz has performed 95 Medicare-verified knee replacements (#38 in Pennsylvania) and 57 hip replacements, for a combined total of 152 procedures.
In Pennsylvania, Dr. Renz performs well above average in knee (95 vs 45 avg), above average in hip (57 vs 34 avg).
Dr. Renz's reported Medicare volume is split between knee replacements (95 cases) and hip replacements (57 cases).
Lancaster is home to 25 orthopedic surgeons in the current Medicare dataset. Patients in the Lancaster area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Renz extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 84 to 152 in the most recent data, a 81% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Renz's 95 verified procedures is more than 2x 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. Renz Compares
Procedure volume compared to the Pennsylvania state average.
Contact & Location
Lancaster, PA 17602
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Renz's Medicare-recorded procedure volume has trended upward over 11 years, increasing 81% from 84 procedures in 2013 to 152 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 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.
Prehabilitation: Preparing Your Body for SurgeryEvidence-based exercises and lifestyle adjustments that can improve surgical outcomes and speed recovery when started weeks before your procedure.
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 Bundled Payment Programs for Joint ReplacementHow bundled payment models affect your joint replacement costs and care coordination, and what it means for hospital and surgeon selection.
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. Renz
How does Dr. Renz's procedure volume compare to other Pennsylvania surgeons?
Dr. Renz has performed 152 Medicare-verified joint replacement procedures. This is more than 2x the Pennsylvania average of 63 procedures per surgeon. Dr. Renz ranks #38 out of 388 orthopedic surgeons in Pennsylvania.
What types of joint replacement does Dr. Renz perform?
Dr. Renz's Medicare data shows procedures in knee replacement (95 cases) and hip replacement (57 cases).
Are there other orthopedic surgeons near Dr. Renz in Lancaster?
Yes. There are 25 orthopedic surgeons in Lancaster 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. Renz 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. Renz's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 152 procedures shown here.
Has Dr. Renz's procedure volume changed over time?
Yes. Dr. Renz's Medicare-recorded volume has increased from 84 procedures in 2013 to 152 in the most recent data, a 81% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 163 procedures in 2022.
Does Dr. Renz perform more than one type of joint replacement?
Yes. Dr. Renz's Medicare data shows procedures in knee replacement (95 cases), hip replacement (57 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Renz affiliated with?
According to CMS facility affiliation data, Dr. Renz is affiliated with Wellspan Ephrata Community Hospital, Lancaster General Hospital, Penn State Health Lancaster Medical Center.
How does Dr. Renz compare to other orthopedic surgeons in Lancaster?
Among the 25 orthopedic surgeons in Lancaster, Dr. Renz ranks #1 by total Medicare procedure volume. Dr. Renz has the highest verified Medicare volume in the city.
What are the quality ratings for hospitals where Dr. Renz practices?
Wellspan Ephrata Community Hospital (4 out of 5 CMS stars, insufficient case volume for complication rate comparison); Lancaster General Hospital (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Penn State Health Lancaster Medical Center (3 out of 5 CMS stars, insufficient case volume for complication rate comparison). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.
Other Orthopedic Surgeons in Lancaster, Pennsylvania
Dr. Renz's 152 Medicare procedures are above the Lancaster average of 116. The table below compares verified procedure volumes for orthopedic surgeons practicing in Lancaster.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Carl Becker | 118 | Hip, Knee, Shoulder |
| Dr. Gregory Tocks | 115 | Hip, Knee, Shoulder |
| Dr. David Gregory | 115 | Hip, Knee |
| Dr. Gary Zartman | 109 | Hip, Knee |
| Dr. Christopher Cooke | 102 | Hip, Knee |
| Dr. Thomas Westphal | 99 | Hip, Knee |
Patient Reviews & Ratings
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