Dr. Michael Flierl, M.D.
Contact & Location
248-244-9426
Troy, MI 48084
About Dr. Flierl
Dr. Michael Flierl is a board-certified orthopedic surgeon practicing in Troy, Michigan. A Medicare provider since 2010, Dr. Flierl performed 52 Medicare-verified knee replacements (#32 in Michigan) and 19 hip replacements in the latest annual CMS data, for a combined total of 71 procedures.
In Michigan, Dr. Flierl performs above the state average in knee (52 vs 34), below the state average in hip (19 vs 29).
Dr. Flierl's reported Medicare volume is split between knee replacements (52 cases) and hip replacements (19 cases).
Beyond general orthopedic surgery, Dr. Flierl holds additional credentials in Adult Reconstructive Orthopaedic Surgery, reflecting subspecialty training that may benefit patients with complex joint conditions.
Troy is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Troy area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Flierl extend back to 2015, covering 10 years of data. Over that period, recorded procedure volume increased from 16 to 71 in the most recent data, a 344% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Flierl's 52 verified procedures is near the national average of 45.
Verified Case Volume Trends (2013-Current)
| Year | Hip Replacement | Knee Replacement |
|---|---|---|
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 16 |
| 2016 | 13 | 17 |
| 2017 | 22 | 27 |
| 2018 | 31 | 38 |
| 2019 | 23 | 39 |
| 2020 | 29 | 29 |
| 2021 | 22 | 35 |
| 2022 | 21 | 44 |
| 2023 | 40 | 53 |
| 2024 | 19 | 52 |
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. Flierl Compares
Procedure volume compared to the Michigan state average.
Volume Trend Analysis
Dr. Flierl's Medicare-recorded procedure volume has trended upward over 10 years, increasing 344% from 16 procedures in 2015 to 71 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.
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.
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. Flierl
How does Dr. Flierl's procedure volume compare to other Michigan surgeons?
Dr. Flierl has performed 71 Medicare-verified joint replacement procedures. This is in line with the Michigan average of 49 procedures per surgeon. Dr. Flierl ranks #54 out of 256 orthopedic surgeons in Michigan.
What types of joint replacement does Dr. Flierl perform?
Dr. Flierl's Medicare data shows procedures in knee replacement (52 cases) and hip replacement (19 cases).
Are there other orthopedic surgeons near Dr. Flierl in Troy?
Yes. There are 3 orthopedic surgeons in Troy 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. Flierl 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. Flierl's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 71 procedures shown here.
Has Dr. Flierl's procedure volume changed over time?
Yes. Dr. Flierl's Medicare-recorded volume has increased from 16 procedures in 2015 to 71 in the most recent data, a 344% increase over 10 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 93 procedures in 2023.
Does Dr. Flierl perform more than one type of joint replacement?
Yes. Dr. Flierl's Medicare data shows procedures in knee replacement (52 cases), hip replacement (19 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Flierl affiliated with?
According to CMS facility affiliation data, Dr. Flierl is affiliated with Corewell Health William Beaumont University Hospit, Corewell Health Beaumont Troy Hospital.
How does Dr. Flierl compare to other orthopedic surgeons in Troy?
Among the 3 orthopedic surgeons in Troy, Dr. Flierl ranks #2 by total Medicare procedure volume. Dr. Flierl is among the highest-volume surgeons in Troy.
What are the quality ratings for hospitals where Dr. Flierl practices?
Corewell Health William Beaumont University Hospit (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Corewell Health Beaumont Troy Hospital (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 Troy, Michigan
Dr. Flierl's 71 Medicare procedures are below the Troy average of 117. The table below compares verified procedure volumes for orthopedic surgeons practicing in Troy.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Donald Knapke | 222 | Hip, Knee |
| Dr. Craig Roodbeen | 57 | Shoulder |
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.