Dr. Michael Brennan, MD PC
Contact & Location
602-667-6640
Phoenix, AZ 85016
About Dr. Brennan
Dr. Michael Brennan is a board-certified orthopedic surgeon practicing in Phoenix, Arizona. A Medicare provider since 2006, Dr. Brennan performed 36 Medicare-verified knee replacements (#73 in Arizona) and 16 hip replacements in the latest annual CMS data, for a combined total of 52 procedures.
In Arizona, Dr. Brennan performs below the state average in knee (36 vs 49), below the state average in hip (16 vs 40).
Dr. Brennan's reported Medicare volume is split between knee replacements (36 cases) and hip replacements (16 cases).
Phoenix is home to 51 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 12 years from 2013 through 2024. Procedure volume has remained consistent during that period, ranging from 42 to 70 procedures per year, reflecting a steady joint replacement practice.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Brennan's 36 verified procedures is near the national average of 45.
Verified Case Volume Trends (2013-Current)
| Year | Hip Replacement | Knee Replacement |
|---|---|---|
| 2013 | 13 | 41 |
| 2014 | 14 | 28 |
| 2015 | 21 | 38 |
| 2016 | 16 | 39 |
| 2017 | 20 | 42 |
| 2018 | 16 | 54 |
| 2019 | 19 | 34 |
| 2020 | 12 | 41 |
| 2021 | 18 | 28 |
| 2022 | 23 | 34 |
| 2023 | 15 | 43 |
| 2024 | 16 | 36 |
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.
Volume Trend Analysis
Dr. Brennan's procedure volume has been consistent across 12 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 52 Medicare-verified joint replacement procedures. The Arizona average is 72 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Brennan ranks #104 out of 191 orthopedic surgeons in Arizona.
What types of joint replacement does Dr. Brennan perform?
Dr. Brennan's Medicare data shows procedures in knee replacement (36 cases) and hip replacement (16 cases).
Are there other orthopedic surgeons near Dr. Brennan in Phoenix?
Yes. There are 51 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 52 procedures shown here.
Has Dr. Brennan's procedure volume changed over time?
Dr. Brennan's procedure volume has been relatively stable over 12 years of Medicare data, ranging from 42 to 70 procedures per year between 2013 and 2024. 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 (36 cases), hip replacement (16 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 51 orthopedic surgeons in Phoenix, Dr. Brennan ranks #28 by total Medicare procedure volume. The highest-volume surgeon in Phoenix has 234 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 52 Medicare procedures are below the Phoenix average of 142. The table below compares verified procedure volumes for orthopedic surgeons practicing in Phoenix.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Steven Werner | 234 | Hip, Knee |
| Dr. Christina Khoury | 152 | Hip, Knee |
| Dr. Steven Hattrup | 147 | Shoulder |
| Dr. Michael Wilmink | 144 | Hip, Knee |
| Dr. Kenneth Schmidt | 135 | Hip, Knee |
| Dr. Lige Kaplan | 128 | Hip, Knee |
Patient Resources & Verification
Research reviews, verify credentials, and check official quality data through these trusted sources:
Medicare Care Compare and NPI Registry are official U.S. government sources. Google reviews reflect user-submitted feedback. OrthoProcedures.com does not verify the accuracy of third-party review content.