Dr. Matthew Lorei, M.D.
Dr. Matthew Lorei is a board-certified orthopedic surgeon practicing in Philadelphia, Pennsylvania. Dr. Lorei has performed 45 Medicare-verified knee replacements (#106 in Pennsylvania) and 20 hip replacements, for a combined total of 65 procedures.
In Pennsylvania, Dr. Lorei performs near average in knee (45 vs 45 avg), below average in hip (20 vs 34 avg).
Dr. Lorei's reported Medicare volume is split between knee replacements (45 cases) and hip replacements (20 cases).
Philadelphia is home to 33 orthopedic surgeons in the current Medicare dataset. Patients in the Philadelphia area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Lorei extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 32 to 65 in the most recent data, a 103% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Lorei'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. Lorei Compares
Procedure volume compared to the Pennsylvania state average.
Contact & Location
Philadelphia, PA 19140
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Lorei's Medicare-recorded procedure volume has trended upward over 11 years, increasing 103% from 32 procedures in 2013 to 65 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.
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.
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. Lorei
How does Dr. Lorei's procedure volume compare to other Pennsylvania surgeons?
Dr. Lorei has performed 65 Medicare-verified joint replacement procedures. This is in line with the Pennsylvania average of 63 procedures per surgeon. Dr. Lorei ranks #128 out of 388 orthopedic surgeons in Pennsylvania.
What types of joint replacement does Dr. Lorei perform?
Dr. Lorei's Medicare data shows procedures in knee replacement (45 cases) and hip replacement (20 cases).
Are there other orthopedic surgeons near Dr. Lorei in Philadelphia?
Yes. There are 33 orthopedic surgeons in Philadelphia 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. Lorei 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. Lorei's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 65 procedures shown here.
Has Dr. Lorei's procedure volume changed over time?
Yes. Dr. Lorei's Medicare-recorded volume has increased from 32 procedures in 2013 to 65 in the most recent data, a 103% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 69 procedures in 2021.
Does Dr. Lorei perform more than one type of joint replacement?
Yes. Dr. Lorei's Medicare data shows procedures in knee replacement (45 cases), hip replacement (20 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Lorei affiliated with?
According to CMS facility affiliation data, Dr. Lorei is affiliated with Temple University Hospital, Temple Health - Chestnut Hill Hospital.
How does Dr. Lorei compare to other orthopedic surgeons in Philadelphia?
Among the 33 orthopedic surgeons in Philadelphia, Dr. Lorei ranks #14 by total Medicare procedure volume. The highest-volume surgeon in Philadelphia has 200 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Lorei practices?
Temple University Hospital (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Temple Health - Chestnut Hill Hospital (2 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 Philadelphia, Pennsylvania
Dr. Lorei's 65 Medicare procedures are below the Philadelphia average of 151. The table below compares verified procedure volumes for orthopedic surgeons practicing in Philadelphia.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. James Purtill | 200 | Hip, Knee |
| Dr. Christopher Melnic | 181 | Hip, Knee |
| Dr. Craig Israelite | 181 | Hip, Knee |
| Dr. Stephen Sizer | 161 | Hip, Knee |
| Dr. Charles Nelson | 137 | Hip, Knee |
| Dr. Paul Courtney | 129 | Hip, Knee |
Patient Reviews & Ratings
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