Dr. Robert Malinzak, MD
Contact & Location
Carmel, IN 46032
Dr. Robert Malinzak is a board-certified orthopedic surgeon practicing in Carmel, Indiana. A Medicare provider since 2005, Dr. Malinzak has performed 47 Medicare-verified knee replacements (#54 in Indiana) and 31 hip replacements, for a combined total of 78 procedures.
In Indiana, Dr. Malinzak performs near average in knee (47 vs 41 avg), near average in hip (31 vs 31 avg).
Dr. Malinzak's reported Medicare volume is split between knee replacements (47 cases) and hip replacements (31 cases).
Carmel is home to 13 orthopedic surgeons in the current Medicare dataset. Patients in the Carmel area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Malinzak's Medicare data spans 12 years, beginning in 2013. Volume peaked at 155 procedures in 2019 before settling at 78 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Malinzak's 47 verified procedures is near the national average of 45.
Verified Case Volume Trends (2013-Current)
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. Malinzak Compares
Procedure volume compared to the Indiana state average.
Volume Trend Analysis
Dr. Malinzak's recorded volume peaked at 155 procedures in 2019 and stood at 78 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 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.
What to Expect on the Day of SurgeryA step-by-step walkthrough of your surgical day, from pre-op preparation through anesthesia, the procedure itself, and the first hours of recovery.
Recovery Timeline: Week-by-Week ExpectationsA detailed week-by-week guide covering pain levels, mobility milestones, physical therapy progression, and when to expect a return to daily activities.
Medicare Coverage for Joint ReplacementWhat Medicare Part A and Part B cover for joint replacement surgery, including hospital stays, surgeon fees, anesthesia, and physical therapy.
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. Malinzak
How does Dr. Malinzak's procedure volume compare to other Indiana surgeons?
Dr. Malinzak has performed 78 Medicare-verified joint replacement procedures. This is in line with the Indiana average of 60 procedures per surgeon. Dr. Malinzak ranks #55 out of 224 orthopedic surgeons in Indiana.
What types of joint replacement does Dr. Malinzak perform?
Dr. Malinzak's Medicare data shows procedures in knee replacement (47 cases) and hip replacement (31 cases).
Are there other orthopedic surgeons near Dr. Malinzak in Carmel?
Yes. There are 13 orthopedic surgeons in Carmel 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 Indiana surgeons.
What does the Medicare data for Dr. Malinzak 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. Malinzak's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 78 procedures shown here.
Has Dr. Malinzak's procedure volume changed over time?
Dr. Malinzak's Medicare-recorded volume peaked at 155 procedures in 2019 and was 78 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. Malinzak perform more than one type of joint replacement?
Yes. Dr. Malinzak's Medicare data shows procedures in knee replacement (47 cases), hip replacement (31 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Malinzak affiliated with?
According to CMS facility affiliation data, Dr. Malinzak is affiliated with Ascension St Vincent Fishers.
How does Dr. Malinzak compare to other orthopedic surgeons in Carmel?
Among the 13 orthopedic surgeons in Carmel, Dr. Malinzak ranks #6 by total Medicare procedure volume. The highest-volume surgeon in Carmel has 241 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Malinzak practices?
Ascension St Vincent Fishers (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 Carmel, Indiana
Dr. Malinzak's 78 Medicare procedures are below the Carmel average of 130. The table below compares verified procedure volumes for orthopedic surgeons practicing in Carmel.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. John Hur | 241 | Hip, Knee |
| Dr. Joseph Maratt | 189 | Hip, Knee |
| Dr. Kevin Condict | 163 | Hip, Knee, Shoulder |
| Dr. Philip Huang | 91 | Hip, Knee |
| Dr. Lucian Warth | 86 | Hip, Knee |
| Dr. Michael Bender | 64 | 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.