Dr. Christopher Walthour, MD
Contact & Location
209-830-4062
Tracy, CA 95376
About Dr. Walthour
Dr. Christopher Walthour is a board-certified orthopedic surgeon practicing in Tracy, California. A Medicare provider since 2006, Dr. Walthour performed 31 Medicare-verified knee replacements in the latest annual CMS data, ranking #248 in California.
In California, Dr. Walthour performs below the state average in knee (31 vs 47).
Dr. Walthour's Medicare data shows a focused knee replacement practice with 31 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.
Dr. Walthour is the only orthopedic surgeon in Tracy represented in the current Medicare dataset, serving as the primary local option for patients considering joint replacement surgery in the area.
Medicare records for Dr. Walthour extend back to 2014, covering 10 years of data. Over that period, recorded procedure volume increased from 19 to 31 in the most recent data, a 63% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Walthour's 31 knee replacement procedures is below the national average of 45 among 6,599 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
Verified Case Volume Trends (2013-Current)
| Year | Knee Replacement |
|---|---|
| 2013 | 0 |
| 2014 | 19 |
| 2015 | 14 |
| 2016 | 11 |
| 2017 | 14 |
| 2018 | 12 |
| 2019 | 16 |
| 2020 | 18 |
| 2021 | 0 |
| 2022 | 16 |
| 2023 | 15 |
| 2024 | 31 |
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. Walthour Compares
Procedure volume compared to the California state average.
Volume Trend Analysis
Dr. Walthour's Medicare-recorded procedure volume has trended upward over 10 years, increasing 63% from 19 procedures in 2014 to 31 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.
Prehabilitation: Preparing Your Body for SurgeryEvidence-based exercises and lifestyle adjustments that can improve surgical outcomes and speed recovery when started weeks before your procedure.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
Medicare Bundled Payment Programs for Joint ReplacementHow bundled payment models affect your joint replacement costs and care coordination, and what it means for hospital and surgeon selection.
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. Walthour
How does Dr. Walthour's procedure volume compare to other California surgeons?
Dr. Walthour has performed 31 Medicare-verified joint replacement procedures. The California average is 68 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Walthour ranks #393 out of 613 orthopedic surgeons in California.
What types of joint replacement does Dr. Walthour perform?
Dr. Walthour's reported Medicare volume is focused on knee replacement, with 31 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Where is Dr. Walthour's practice located?
Dr. Walthour practices in Tracy, California. The office is located at 441 W Eaton Ave, Tracy, CA 95376. Patients in the surrounding area can consult Dr. Walthour for joint replacement evaluation.
What does the Medicare data for Dr. Walthour 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. Walthour's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 31 procedures shown here.
Has Dr. Walthour's procedure volume changed over time?
Yes. Dr. Walthour's Medicare-recorded volume has increased from 19 procedures in 2014 to 31 in the most recent data, a 63% increase over 10 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 31 procedures in 2024.
Which hospitals is Dr. Walthour affiliated with?
According to CMS facility affiliation data, Dr. Walthour is affiliated with Sutter Tracy Community Hospital.
What are the quality ratings for hospitals where Dr. Walthour practices?
Sutter Tracy Community Hospital (4 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.
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.