Dr. Derek Semaan, M.D
Dr. Derek Semaan is a board-certified orthopedic surgeon practicing in Ann Arbor, Michigan. A Medicare provider since 2016, Dr. Semaan has performed 24 Medicare-verified hip replacements (#70 in Michigan) and 23 knee replacements, for a combined total of 47 procedures.
In Michigan, Dr. Semaan performs near average in hip (24 vs 29 avg), below average in knee (23 vs 33 avg).
Dr. Semaan's reported Medicare volume is split between hip replacements (24 cases) and knee replacements (23 cases).
Ann Arbor is home to 11 orthopedic surgeons in the current Medicare dataset. Patients in the Ann Arbor area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Semaan's Medicare data spans 3 years, beginning in 2021. Volume peaked at 95 procedures in 2022 before settling at 47 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Dr. Semaan's 24 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. Semaan Compares
Procedure volume compared to the Michigan state average.
Contact & Location
Ann Arbor, MI 48109
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Semaan's recorded volume peaked at 95 procedures in 2022 and stood at 47 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.
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.
Rehabilitation Roadmap: Your Complete Recovery GuideA structured physical therapy progression from the first post-op exercises through full strength and mobility restoration over 3 to 6 months.
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. Semaan
How does Dr. Semaan's procedure volume compare to other Michigan surgeons?
Dr. Semaan has performed 47 Medicare-verified joint replacement procedures. This is in line with the Michigan average of 48 procedures per surgeon. Dr. Semaan ranks #103 out of 272 orthopedic surgeons in Michigan.
What types of joint replacement does Dr. Semaan perform?
Dr. Semaan's Medicare data shows procedures in hip replacement (24 cases) and knee replacement (23 cases).
Are there other orthopedic surgeons near Dr. Semaan in Ann Arbor?
Yes. There are 11 orthopedic surgeons in Ann Arbor 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 Michigan surgeons.
What does the Medicare data for Dr. Semaan 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. Semaan's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 47 procedures shown here.
Has Dr. Semaan's procedure volume changed over time?
Dr. Semaan's Medicare-recorded volume peaked at 95 procedures in 2022 and was 47 in the most recent data. Volume fluctuations can reflect changes in payer mix, practice focus, or Medicare reporting rather than a change in overall surgical activity.
Does Dr. Semaan perform more than one type of joint replacement?
Yes. Dr. Semaan's Medicare data shows procedures in hip replacement (24 cases), knee replacement (23 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Semaan affiliated with?
According to CMS facility affiliation data, Dr. Semaan is affiliated with Henry Ford Health Jackson Hospital.
How does Dr. Semaan compare to other orthopedic surgeons in Ann Arbor?
Among the 11 orthopedic surgeons in Ann Arbor, Dr. Semaan ranks #5 by total Medicare procedure volume. The highest-volume surgeon in Ann Arbor has 135 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Semaan practices?
Henry Ford Health Jackson Hospital (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 Ann Arbor, Michigan
Dr. Semaan's 47 Medicare procedures are below the Ann Arbor average of 61. The table below compares verified procedure volumes for orthopedic surgeons practicing in Ann Arbor.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Andrew Urquhart | 135 | Hip, Knee |
| Dr. Elizabeth Dailey | 64 | Hip, Knee |
| Dr. Brian Hallstrom | 59 | Hip, Knee |
| Dr. Peter Schilling | 52 | Hip, Knee |
| Dr. Elizabeth Klag | 45 | Hip, Knee |
| Dr. William Aibinder | 24 | Shoulder |
Patient Reviews & Ratings
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