Dr. James Boyd, MD

Orthopedic Surgery
56 procedures 1 hospital Sonora, CA
Growing Volume

Contact & Location

209-532-0126
Phone: 209-532-0126
Practice phone listed in the NPI registry
680 Guzzi Ln Ste 105
Sonora, CA 95370
NPI: 1407903636
Credentials: MD
Active Medicare provider (NPI verified)
19 years of practice experience
Licensed MD
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
National Comparison by Procedure
Knee 34 vs 45 national avg (6,599 surgeons)
Shoulder 22 vs 29 national avg (2,213 surgeons)

About Dr. Boyd

Dr. James Boyd is a board-certified orthopedic surgeon practicing in Sonora, California. A Medicare provider since 2007, Dr. Boyd performed 34 Medicare-verified knee replacements (#223 in California) and 22 shoulder replacements in the latest annual CMS data, for a combined total of 56 procedures.

In California, Dr. Boyd performs below the state average in knee (34 vs 47), below the state average in shoulder (22 vs 31).

Dr. Boyd's reported Medicare volume is split between knee replacements (34 cases) and shoulder replacements (22 cases).

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 7 years of data. Over that period, recorded procedure volume increased from 18 to 56 in the most recent data, a 211% increase. This sustained growth reflects an expanding joint replacement practice.

Dr. Boyd's 34 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 Medicare Cases

Knee Replacement
34 verified cases
#223 in California
Shoulder Replacement
22 verified cases
#80 in California
Estimated total: 150 – 170 procedures (all insurers)
Based on Medicare FFS representing 33–37% of national joint replacement volume
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.

Knee Below Avg
34 Avg: 47
Shoulder Below Avg
22 Avg: 31
Dr. Boyd California Average

Volume Trend Analysis

Dr. Boyd's Medicare-recorded procedure volume has trended upward over 7 years, increasing 211% from 18 procedures in 2018 to 56 in the most recent data.

Years of Data 7
2024 Volume 56
Peak Volume 56 (2024)
Trend Growing

Hospital Affiliations & Quality

H
Adventist Health Sonora
3/5
Sonora, CA
Low case volume

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:

Knee Replacement Recovery Overview

Recovery timelines vary by patient, but here is a general overview of what to expect after knee replacement surgery:

Week 1-2 Walking with assistive device. Knee bending exercises begin immediately. Ice therapy and elevation for swelling control.
Week 3-6 Increased range of motion (target 90 degrees). Walking longer distances. Physical therapy intensifies with strengthening exercises.
Week 7-12 Most patients walk without assistive devices. Resume driving and desk work. Continue PT for strength and flexibility.
Month 4-6 Near-full recovery. Resume most recreational activities. Some swelling and stiffness may persist but continues improving.

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 56 Medicare-verified joint replacement procedures. This is in line with the California average of 68 procedures per surgeon. Dr. Boyd ranks #246 out of 613 orthopedic surgeons in California.

What types of joint replacement does Dr. Boyd perform?

Dr. Boyd's Medicare data shows procedures in knee replacement (34 cases) and shoulder replacement (22 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 56 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 56 in the most recent data, a 211% increase over 7 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 56 procedures in 2024.

Does Dr. Boyd perform more than one type of joint replacement?

Yes. Dr. Boyd's Medicare data shows procedures in knee replacement (34 cases), shoulder replacement (22 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 #2 by total Medicare procedure volume. Dr. Boyd is among the highest-volume surgeons in Sonora.

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 56 Medicare procedures are above the Sonora average of 47. The table below compares verified procedure volumes for orthopedic surgeons practicing in Sonora.

SurgeonProceduresSpecialties
Dr. John Nelligan 57 Hip, Knee
Dr. Ariana Demers 27 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.

Cite This Data

APA: OrthoProcedures. (2026). Dr. James Boyd, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-james-boyd-sonora.html

Link: https://orthoprocedures.com/surgeons/ca/dr-james-boyd-sonora.html

Data source: CMS Medicare Part B Provider Utilization & Payment Data. Full methodology | Open Data API

Important: Rankings are based solely on Medicare procedure volume and do not reflect quality of care, patient outcomes, or procedures covered by private insurance. This data represents approximately one-third to 40% of all joint replacement procedures nationwide. Always consult with healthcare providers to make informed decisions about your care.