Dr. Steven Mattheos, M.D.
Contact & Location
978-818-6350
Peabody, MA 01960
About Dr. Mattheos
Dr. Steven Mattheos is a board-certified orthopedic surgeon practicing in Peabody, Massachusetts. A Medicare provider since 2006, Dr. Mattheos performed 103 Medicare-verified knee replacements in the latest annual CMS data, ranking #16 in Massachusetts.
In Massachusetts, Dr. Mattheos performs well above the state average in knee (103 vs 50).
Dr. Mattheos's Medicare data shows a focused knee replacement practice with 103 verified procedures. Surgeons who concentrate on a single procedure type often develop deep procedural expertise, though total practice volume may include additional procedures not captured in Medicare fee-for-service data.
Peabody is home to 10 orthopedic surgeons in the current Medicare dataset. Patients in the Peabody area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Mattheos extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 13 to 103 in the most recent data, a 692% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Mattheos's 103 verified procedures is more than 2x the national average of 45.
Verified Case Volume Trends (2013-Current)
| Year | Knee Replacement |
|---|---|
| 2013 | 13 |
| 2014 | 25 |
| 2015 | 45 |
| 2016 | 40 |
| 2017 | 58 |
| 2018 | 81 |
| 2019 | 91 |
| 2020 | 66 |
| 2021 | 67 |
| 2022 | 91 |
| 2023 | 92 |
| 2024 | 103 |
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. Mattheos Compares
Procedure volume compared to the Massachusetts state average.
Volume Trend Analysis
Dr. Mattheos's Medicare-recorded procedure volume has trended upward over 12 years, increasing 692% from 13 procedures in 2013 to 103 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.
Rehabilitation Roadmap: Your Complete Recovery GuideA structured physical therapy progression from the first post-op exercises through full strength and mobility restoration over 3 to 6 months.
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. Mattheos
How does Dr. Mattheos's procedure volume compare to other Massachusetts surgeons?
Dr. Mattheos has performed 103 Medicare-verified joint replacement procedures. This is in line with the Massachusetts average of 74 procedures per surgeon. Dr. Mattheos ranks #53 out of 203 orthopedic surgeons in Massachusetts.
What types of joint replacement does Dr. Mattheos perform?
Dr. Mattheos's reported Medicare volume is focused on knee replacement, with 103 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
How experienced is Dr. Mattheos with knee replacement surgery?
Dr. Mattheos ranks #16 in Massachusetts for knee replacement with 103 Medicare-verified procedures. This high ranking among 203 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Mattheos in Peabody?
Yes. There are 10 orthopedic surgeons in Peabody 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 Massachusetts surgeons.
What does the Medicare data for Dr. Mattheos 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. Mattheos's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 103 procedures shown here.
Has Dr. Mattheos's procedure volume changed over time?
Yes. Dr. Mattheos's Medicare-recorded volume has increased from 13 procedures in 2013 to 103 in the most recent data, a 692% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 103 procedures in 2024.
Which hospitals is Dr. Mattheos affiliated with?
According to CMS facility affiliation data, Dr. Mattheos is affiliated with Anna Jaques Hospital.
How does Dr. Mattheos compare to other orthopedic surgeons in Peabody?
Among the 10 orthopedic surgeons in Peabody, Dr. Mattheos ranks #4 by total Medicare procedure volume. The highest-volume surgeon in Peabody has 151 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Mattheos practices?
Anna Jaques 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 Peabody, Massachusetts
Dr. Mattheos's 103 Medicare procedures are above the Peabody average of 94. The table below compares verified procedure volumes for orthopedic surgeons practicing in Peabody.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Benjamin Schwartz | 151 | Hip, Knee |
| Dr. Hugh O'flynn | 140 | Hip, Knee |
| Dr. David Fehnel | 105 | Shoulder |
| Dr. Jason Archibald | 66 | Hip, Knee |
| Dr. William Rubenstein | 57 | Hip, Knee |
| Dr. Ryan Churchill | 33 | 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.