Dr. James Boyd, MD
Dr. James Boyd is a board-certified orthopedic surgeon practicing in Sonora, California. A Medicare provider since 2007, Dr. Boyd has performed 41 Medicare-verified knee replacements (#178 in California) and 11 shoulder replacements, for a combined total of 52 procedures.
In California, Dr. Boyd performs near average in knee (41 vs 45 avg), below average in shoulder (11 vs 30 avg).
Dr. Boyd's practice is heavily focused on knee replacement surgery, which accounts for 79% of reported Medicare volume.
Sonora is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Sonora area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Boyd extend back to 2018, covering 6 years of data. Over that period, recorded procedure volume increased from 18 to 52 in the most recent data, a 189% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Boyd's 41 verified procedures is near the national average of 45.
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. Boyd Compares
Procedure volume compared to the California state average.
Contact & Location
Sonora, CA 95370
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Boyd's Medicare-recorded procedure volume has trended upward over 6 years, increasing 189% from 18 procedures in 2018 to 52 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.
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.
Rehabilitation Roadmap: Your Complete Recovery GuideA structured physical therapy progression from the first post-op exercises through full strength and mobility restoration over 3 to 6 months.
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. Boyd
How does Dr. Boyd's procedure volume compare to other California surgeons?
Dr. Boyd has performed 52 Medicare-verified joint replacement procedures. This is in line with the California average of 65 procedures per surgeon. Dr. Boyd ranks #250 out of 608 orthopedic surgeons in California.
What types of joint replacement does Dr. Boyd perform?
Dr. Boyd's Medicare data shows procedures in knee replacement (41 cases) and shoulder replacement (11 cases).
Are there other orthopedic surgeons near Dr. Boyd in Sonora?
Yes. There are 3 orthopedic surgeons in Sonora 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. Boyd 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. Boyd's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 52 procedures shown here.
Has Dr. Boyd's procedure volume changed over time?
Yes. Dr. Boyd's Medicare-recorded volume has increased from 18 procedures in 2018 to 52 in the most recent data, a 189% increase over 6 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 52 procedures in 2023.
Does Dr. Boyd perform more than one type of joint replacement?
Yes. Dr. Boyd's Medicare data shows procedures in knee replacement (41 cases), shoulder replacement (11 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Boyd affiliated with?
According to CMS facility affiliation data, Dr. Boyd is affiliated with Adventist Health Sonora.
How does Dr. Boyd compare to other orthopedic surgeons in Sonora?
Among the 3 orthopedic surgeons in Sonora, Dr. Boyd ranks #1 by total Medicare procedure volume. Dr. Boyd has the highest verified Medicare volume in the city.
What are the quality ratings for hospitals where Dr. Boyd practices?
Adventist Health Sonora (3 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 Sonora, California
Dr. Boyd's 52 Medicare procedures are above the Sonora average of 48. The table below compares verified procedure volumes for orthopedic surgeons practicing in Sonora.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. John Nelligan | 50 | Hip, Knee |
| Dr. Ariana Demers | 41 | Hip, Knee |
Patient Reviews & Ratings
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