Dr. Kenneth Mathis, M.D.
Contact & Location
713-486-5555
Houston, TX 77030
Dr. Mathis performs more knee replacement procedures than 88% of orthopedic surgeons in Texas, based on 2024 Medicare claims volume.Derived from the state ranking shown on this page: #55 of 489 ranked knee surgeons in Texas.
About Dr. Mathis
Practice. Dr. Kenneth Mathis is a board-certified orthopedic surgeon practicing in Houston, Texas. The latest annual CMS data records 84 knee replacements and 41 hip replacements, 125 procedures in all. That is #55 in Texas for knee replacement. A Medicare provider since 2006.
Trend. Medicare records run from 2013 to 2024, 12 years. Volume has held between 125 and 198 procedures a year.
National context. Among 6,612 knee replacement surgeons tracked nationally, 84 procedures is above the national average of 45.
Local context. Houston has 52 orthopedic surgeons in the current Medicare data. Comparing volume and procedure mix across them is one way to narrow a shortlist.
Verified Case Volume Trends (2013-Current)
| Year | Hip Replacement | Knee Replacement |
|---|---|---|
| 2013 | 46 | 97 |
| 2014 | 65 | 114 |
| 2015 | 73 | 101 |
| 2016 | 72 | 116 |
| 2017 | 50 | 130 |
| 2018 | 62 | 107 |
| 2019 | 67 | 131 |
| 2020 | 61 | 111 |
| 2021 | 53 | 81 |
| 2022 | 48 | 96 |
| 2023 | 50 | 97 |
| 2024 | 41 | 84 |
Verified Medicare Cases
How is this estimated?
Medicare Part B fee-for-service claims are one payer stream among several, and the share they represent differs by procedure. In 2024 it was 23% to 28% for knee replacement, 25% to 33% for hip replacement. Each verified count above is divided by its own procedure's range, and the results are added, to estimate total practice volume across all payers. The verified Medicare count is the definitive, audited figure; this is a range derived from published national volume projections, not a measurement, and an individual practice can sit well outside it: how these ranges are derived, and their sources.
How Dr. Mathis Compares
Procedure volume compared to the Texas state average.
Volume Trend Analysis
Dr. Mathis's procedure volume has been consistent across 12 years of Medicare data, ranging from 125 to 198 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.
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. Mathis
How does Dr. Mathis's procedure volume compare to other Texas surgeons?
Dr. Mathis has performed 125 Medicare-verified joint replacement procedures. This is more than 2x the Texas average of 57 procedures per surgeon. Dr. Mathis ranks #56 out of 582 orthopedic surgeons in Texas.
What types of joint replacement does Dr. Mathis perform?
Dr. Mathis's Medicare data shows procedures in knee replacement (84 cases) and hip replacement (41 cases).
Are there other orthopedic surgeons near Dr. Mathis in Houston?
Yes. There are 52 orthopedic surgeons in Houston 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 Texas surgeons.
What does the Medicare data for Dr. Mathis represent?
The procedure counts shown are based on 2024 Medicare Part B fee-for-service claims data, published by the Centers for Medicare and Medicaid Services (CMS). Medicare fee-for-service is only one payer stream, and the share of national volume it represents differs by procedure. In 2024 the share was 23% to 28% for knee replacement, 25% to 33% for hip replacement, which puts Dr. Mathis's total volume across all insurers at roughly 420 to 530 procedures against the 125 verified here. Those shares are derived from published national volume projections rather than quoted from a single publication, and they are estimates with real uncertainty. The OrthoProcedures methodology page shows the full derivation, the sources, and the limits at orthoprocedures.com/data-methodology.html.
Has Dr. Mathis's procedure volume changed over time?
Dr. Mathis's procedure volume has been relatively stable over 12 years of Medicare data, ranging from 125 to 198 procedures per year between 2013 and 2024. Consistent volume over multiple years reflects a steady joint replacement practice.
Does Dr. Mathis perform more than one type of joint replacement?
Yes. Dr. Mathis's Medicare data shows procedures in knee replacement (84 cases), hip replacement (41 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Mathis affiliated with?
According to CMS facility affiliation data, Dr. Mathis is affiliated with Memorial Hermann Texas Medical Center, Memorial Hermann Hospital System, Houston Methodist Hospital, Memorial Hermann Memorial City Medical Center, Memorial Hermann Northeast Hospital.
How does Dr. Mathis compare to other orthopedic surgeons in Houston?
Among the 52 orthopedic surgeons in Houston, Dr. Mathis ranks #7 by total Medicare procedure volume. The highest-volume surgeon in Houston has 340 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Mathis practices?
Memorial Hermann Texas Medical Center (3 out of 5 CMS stars, insufficient case volume for complication rate comparison); Memorial Hermann Hospital System (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Houston Methodist Hospital (5 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 Houston, Texas
Dr. Mathis's 125 Medicare procedures are below the Houston average of 183. The table below compares verified procedure volumes for orthopedic surgeons practicing in Houston.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Stefan Kreuzer | 340 | Hip, Knee |
| Dr. Vasilios Mathews | 229 | Hip, Knee |
| Dr. Gregory Stocks | 168 | Hip, Knee |
| Dr. Robin Goytia | 153 | Hip, Knee |
| Dr. Ugonna Ihekweazu | 135 | Hip, Knee |
| Dr. Jay Croley | 133 | 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.