Dr. Joseph Maratt, MD
Dr. Joseph Maratt is a board-certified orthopedic surgeon practicing in Carmel, Indiana. A Medicare provider since 2008, Dr. Maratt has performed 119 Medicare-verified knee replacements (#6 in Indiana) and 53 hip replacements, for a combined total of 172 procedures.
In Indiana, Dr. Maratt performs well above average in knee (119 vs 44 avg), above average in hip (53 vs 32 avg).
Dr. Maratt's reported Medicare volume is split between knee replacements (119 cases) and hip replacements (53 cases).
Carmel is home to 12 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.
Medicare records for Dr. Maratt extend back to 2015, covering 9 years of data. Over that period, recorded procedure volume increased from 58 to 172 in the most recent data, a 197% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Maratt's 119 verified procedures is more than 2x 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. Maratt Compares
Procedure volume compared to the Indiana state average.
Contact & Location
Carmel, IN 46032
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Maratt's Medicare-recorded procedure volume has trended upward over 9 years, increasing 197% from 58 procedures in 2015 to 172 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.
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.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
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. Maratt
How does Dr. Maratt's procedure volume compare to other Indiana surgeons?
Dr. Maratt has performed 172 Medicare-verified joint replacement procedures. This is more than 2x the Indiana average of 60 procedures per surgeon. Dr. Maratt ranks #6 out of 222 orthopedic surgeons in Indiana.
What types of joint replacement does Dr. Maratt perform?
Dr. Maratt's Medicare data shows procedures in knee replacement (119 cases) and hip replacement (53 cases).
How experienced is Dr. Maratt with knee replacement surgery?
Dr. Maratt ranks #6 in Indiana for knee replacement with 119 Medicare-verified procedures. This high ranking among 222 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Maratt in Carmel?
Yes. There are 12 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. Maratt 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. Maratt's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 172 procedures shown here.
Has Dr. Maratt's procedure volume changed over time?
Yes. Dr. Maratt's Medicare-recorded volume has increased from 58 procedures in 2015 to 172 in the most recent data, a 197% increase over 9 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 172 procedures in 2023.
Does Dr. Maratt perform more than one type of joint replacement?
Yes. Dr. Maratt's Medicare data shows procedures in knee replacement (119 cases), hip replacement (53 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Maratt affiliated with?
According to CMS facility affiliation data, Dr. Maratt is affiliated with Franciscan Health Orthopedic Hospital Carmel, Franciscan Health Mooresville, Franciscan Health Indianapolis, Hendricks Regional Health.
How does Dr. Maratt compare to other orthopedic surgeons in Carmel?
Among the 12 orthopedic surgeons in Carmel, Dr. Maratt ranks #2 by total Medicare procedure volume. Dr. Maratt is among the highest-volume surgeons in Carmel.
What are the quality ratings for hospitals where Dr. Maratt practices?
Franciscan Health Orthopedic Hospital Carmel (insufficient case volume for complication rate comparison); Franciscan Health Mooresville (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Franciscan Health Indianapolis (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 Carmel, Indiana
Dr. Maratt's 172 Medicare procedures are above the Carmel average of 115. The table below compares verified procedure volumes for orthopedic surgeons practicing in Carmel.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. John Hur | 198 | Hip, Knee |
| Dr. Kevin Condict | 143 | Hip, Knee, Shoulder |
| Dr. Robert Malinzak | 116 | Hip, Knee |
| Dr. Norman Mindrebo | 70 | Hip, Knee |
| Dr. Lucian Warth | 53 | Hip, Knee |
| Dr. Michael Bender | 51 | Shoulder |
Patient Reviews & Ratings
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