Dr. James Barnes, M.D.
Contact & Location
Santa Monica, CA 90404
Dr. James Barnes is a board-certified orthopedic surgeon practicing in Santa Monica, California. Dr. Barnes has performed 16 Medicare-verified knee replacements, ranking #395 in California.
In California, Dr. Barnes performs below average in knee (16 vs 47 avg).
Dr. Barnes's Medicare data shows a focused knee replacement practice with 16 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.
Santa Monica is home to 11 orthopedic surgeons in the current Medicare dataset. Patients in the Santa Monica area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Barnes first appears in the Medicare dataset in 2024. With 1 year of recorded data, the longitudinal trend is still developing.
Dr. Barnes's 16 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)
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. Barnes Compares
Procedure volume compared to the California state average.
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.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
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. Barnes
How does Dr. Barnes's procedure volume compare to other California surgeons?
Dr. Barnes has performed 16 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. Barnes ranks #505 out of 613 orthopedic surgeons in California.
What types of joint replacement does Dr. Barnes perform?
Dr. Barnes's reported Medicare volume is focused on knee replacement, with 16 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Barnes in Santa Monica?
Yes. There are 11 orthopedic surgeons in Santa Monica 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 California surgeons.
What does the Medicare data for Dr. Barnes 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. Barnes's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 16 procedures shown here.
Which hospitals is Dr. Barnes affiliated with?
According to CMS facility affiliation data, Dr. Barnes is affiliated with Havasu Regional Medical Center, La Paz Regional Hospital, Kingman Regional Medical Center. Dr. Barnes maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.
How does Dr. Barnes compare to other orthopedic surgeons in Santa Monica?
Among the 11 orthopedic surgeons in Santa Monica, Dr. Barnes ranks #11 by total Medicare procedure volume. The highest-volume surgeon in Santa Monica has 173 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Barnes practices?
Havasu Regional Medical Center (3 out of 5 CMS stars, hip/knee complication rate similar to national average); La Paz Regional Hospital (insufficient case volume for complication rate comparison); Kingman Regional Medical Center (4 out of 5 CMS stars, 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 Santa Monica, California
Dr. Barnes's 16 Medicare procedures are below the Santa Monica average of 86. The table below compares verified procedure volumes for orthopedic surgeons practicing in Santa Monica.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Jeffrey Zarin | 173 | Hip, Knee |
| Dr. Umesh Bhagia | 156 | Hip, Knee, Shoulder |
| Dr. Michael Gerhardt | 105 | Hip |
| Dr. Alexandra Stavrakis | 69 | Hip, Knee |
| Dr. Kevin Ehrhart | 46 | Knee |
| Dr. Ryan Bennett | 34 | 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.