Dr. Michael Brennan, MD PC
Dr. Michael Brennan is a board-certified orthopedic surgeon practicing in Phoenix, Arizona. A Medicare provider since 2006, Dr. Brennan has performed 43 Medicare-verified knee replacements (#62 in Arizona) and 15 hip replacements, for a combined total of 58 procedures.
In Arizona, Dr. Brennan performs near average in knee (43 vs 49 avg), below average in hip (15 vs 37 avg).
Dr. Brennan's reported Medicare volume is split between knee replacements (43 cases) and hip replacements (15 cases).
Phoenix is home to 53 orthopedic surgeons in the current Medicare dataset. Patients in the Phoenix area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Brennan's Medicare record spans 11 years from 2013 through 2023. Procedure volume has remained consistent during that period, ranging from 42 to 70 procedures per year, reflecting a steady joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Brennan's 43 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. Brennan Compares
Procedure volume compared to the Arizona state average.
Contact & Location
Phoenix, AZ 85016
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Brennan's procedure volume has been consistent across 11 years of Medicare data, ranging from 42 to 70 procedures per year. This stability suggests a well-established joint replacement practice.
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. Brennan
How does Dr. Brennan's procedure volume compare to other Arizona surgeons?
Dr. Brennan has performed 58 Medicare-verified joint replacement procedures. This is in line with the Arizona average of 68 procedures per surgeon. Dr. Brennan ranks #78 out of 193 orthopedic surgeons in Arizona.
What types of joint replacement does Dr. Brennan perform?
Dr. Brennan's Medicare data shows procedures in knee replacement (43 cases) and hip replacement (15 cases).
Are there other orthopedic surgeons near Dr. Brennan in Phoenix?
Yes. There are 53 orthopedic surgeons in Phoenix 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 Arizona surgeons.
What does the Medicare data for Dr. Brennan 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. Brennan's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 58 procedures shown here.
Has Dr. Brennan's procedure volume changed over time?
Dr. Brennan's procedure volume has been relatively stable over 11 years of Medicare data, ranging from 42 to 70 procedures per year between 2013 and 2023. Consistent volume over multiple years reflects a steady joint replacement practice.
Does Dr. Brennan perform more than one type of joint replacement?
Yes. Dr. Brennan's Medicare data shows procedures in knee replacement (43 cases), hip replacement (15 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Brennan affiliated with?
According to CMS facility affiliation data, Dr. Brennan is affiliated with Honorhealth Scottsdale Thompson Peak Med Ctr, Honorhealth Scottsdale Osborn Medical Center.
How does Dr. Brennan compare to other orthopedic surgeons in Phoenix?
Among the 53 orthopedic surgeons in Phoenix, Dr. Brennan ranks #20 by total Medicare procedure volume. The highest-volume surgeon in Phoenix has 227 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Brennan practices?
Honorhealth Scottsdale Thompson Peak Med Ctr (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Honorhealth Scottsdale Osborn Medical Center (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 Phoenix, Arizona
Dr. Brennan's 58 Medicare procedures are below the Phoenix average of 143. The table below compares verified procedure volumes for orthopedic surgeons practicing in Phoenix.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Steven Werner | 227 | Hip, Knee |
| Dr. Steven Hattrup | 157 | Shoulder |
| Dr. Lige Kaplan | 142 | Hip, Knee |
| Dr. Michael Wilmink | 140 | Hip, Knee |
| Dr. Mark Spangehl | 138 | Hip, Knee |
| Dr. Christina Khoury | 137 | Hip, Knee |
Patient Reviews & Ratings
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