Dr. John Walker, MD
Contact & Location
Tyler, TX 75701
Dr. John Walker is a board-certified orthopedic surgeon practicing in Tyler, Texas. A Medicare provider since 2005, Dr. Walker has performed 62 Medicare-verified knee replacements, ranking #87 in Texas.
In Texas, Dr. Walker performs above average in knee (62 vs 42 avg).
Dr. Walker's Medicare data shows a focused knee replacement practice with 62 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.
Tyler is home to 15 orthopedic surgeons in the current Medicare dataset. Patients in the Tyler area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Walker's Medicare record spans 12 years from 2013 through 2024. Procedure volume has remained consistent during that period, ranging from 30 to 75 procedures per year, reflecting a steady joint replacement practice.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Walker's 62 verified procedures is above 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. Walker Compares
Procedure volume compared to the Texas state average.
Volume Trend Analysis
Dr. Walker's procedure volume has been consistent across 12 years of Medicare data, ranging from 30 to 75 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.
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.
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.
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. Walker
How does Dr. Walker's procedure volume compare to other Texas surgeons?
Dr. Walker has performed 62 Medicare-verified joint replacement procedures. This is in line with the Texas average of 57 procedures per surgeon. Dr. Walker ranks #173 out of 582 orthopedic surgeons in Texas.
What types of joint replacement does Dr. Walker perform?
Dr. Walker's reported Medicare volume is focused on knee replacement, with 62 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Walker in Tyler?
Yes. There are 15 orthopedic surgeons in Tyler 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. Walker 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. Walker's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 62 procedures shown here.
Has Dr. Walker's procedure volume changed over time?
Dr. Walker's procedure volume has been relatively stable over 12 years of Medicare data, ranging from 30 to 75 procedures per year between 2013 and 2024. Consistent volume over multiple years reflects a steady joint replacement practice.
Which hospitals is Dr. Walker affiliated with?
According to CMS facility affiliation data, Dr. Walker is affiliated with Baylor Scott & White Texas Spine & Joint Hospital.
How does Dr. Walker compare to other orthopedic surgeons in Tyler?
Among the 15 orthopedic surgeons in Tyler, Dr. Walker ranks #9 by total Medicare procedure volume. The highest-volume surgeon in Tyler has 416 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Walker practices?
Baylor Scott & White Texas Spine & Joint 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 Tyler, Texas
Dr. Walker's 62 Medicare procedures are below the Tyler average of 142. The table below compares verified procedure volumes for orthopedic surgeons practicing in Tyler.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Kenneth Kaminski | 416 | Hip, Knee |
| Dr. Andrew Hester | 180 | Hip, Knee |
| Dr. Joseph Conflitti | 92 | Hip, Knee |
| Dr. Roger McCown | 92 | Hip, Knee |
| Dr. William Hobbs | 79 | Knee, Shoulder |
| Dr. Thomas Volatile | 76 | 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.