Dr. James Mathis, M.D.
Contact & Location
La Grande, OR 97850
Dr. James Mathis is a board-certified orthopedic surgeon practicing in La Grande, Oregon. A Medicare provider since 2005, Dr. Mathis has performed 39 Medicare-verified knee replacements (#31 in Oregon) and 20 hip replacements, for a combined total of 59 procedures.
In Oregon, Dr. Mathis performs near average in knee (39 vs 42 avg), below average in hip (20 vs 37 avg).
Dr. Mathis's reported Medicare volume is split between knee replacements (39 cases) and hip replacements (20 cases).
Beyond general orthopedic surgery, Dr. Mathis holds additional credentials in Sports Medicine, reflecting subspecialty training that may benefit patients with complex joint conditions.
La Grande is home to 2 orthopedic surgeons in the current Medicare dataset. Patients in the La Grande area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Mathis's Medicare record spans 12 years from 2013 through 2024. Procedure volume has remained consistent during that period, ranging from 52 to 89 procedures per year, reflecting a steady joint replacement practice.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Mathis's 39 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. Mathis Compares
Procedure volume compared to the Oregon state average.
Volume Trend Analysis
Dr. Mathis's procedure volume has been consistent across 12 years of Medicare data, ranging from 52 to 89 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.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
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 Oregon surgeons?
Dr. Mathis has performed 59 Medicare-verified joint replacement procedures. This is in line with the Oregon average of 63 procedures per surgeon. Dr. Mathis ranks #44 out of 101 orthopedic surgeons in Oregon.
What types of joint replacement does Dr. Mathis perform?
Dr. Mathis's Medicare data shows procedures in knee replacement (39 cases) and hip replacement (20 cases).
Are there other orthopedic surgeons near Dr. Mathis in La Grande?
Yes. There are 2 orthopedic surgeons in La Grande 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 Oregon surgeons.
What does the Medicare data for Dr. Mathis 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. Mathis's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 59 procedures shown here.
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 52 to 89 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 (39 cases), hip replacement (20 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 Grande Ronde Hospital, Saint Alphonsus Medical Center - Baker City.
What are the quality ratings for hospitals where Dr. Mathis practices?
Grande Ronde Hospital (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Saint Alphonsus Medical Center - Baker City (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 La Grande, Oregon
Dr. Mathis's 59 Medicare procedures are above the La Grande average of 55. The table below compares verified procedure volumes for orthopedic surgeons practicing in La Grande.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Benjamin Olson | 51 | 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.