Dr. Andrew Jeffers, M.D.

Orthopedic Surgery
15 procedures 1 hospital Oxnard, CA

Contact & Location

805-981-1788
Phone: 805-981-1788
Practice phone listed in the NPI registry
1700 N Rose Ave
Oxnard, CA 93030
NPI: 1407891971
Credentials: M.D.
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
National Comparison by Procedure
Knee 15 vs 45 national avg (6,599 surgeons)

About Dr. Jeffers

Dr. Andrew Jeffers is a board-certified orthopedic surgeon practicing in Oxnard, California. A Medicare provider since 2006, Dr. Jeffers performed 15 Medicare-verified knee replacements in the latest annual CMS data, ranking #411 in California.

In California, Dr. Jeffers performs below the state average in knee (15 vs 47).

Dr. Jeffers's Medicare data shows a focused knee replacement practice with 15 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.

Oxnard is home to 4 orthopedic surgeons in the current Medicare dataset. Patients in the Oxnard area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Jeffers's Medicare data spans 10 years, beginning in 2013. Volume peaked at 41 procedures in 2015 before settling at 15 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Dr. Jeffers's 15 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
15 verified cases
#411 in California
Estimated total: 40 – 50 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. Jeffers Compares

Procedure volume compared to the California state average.

Knee Below Avg
15 Avg: 47
Dr. Jeffers California Average

Volume Trend Analysis

Dr. Jeffers's recorded volume peaked at 41 procedures in 2015 and stood at 15 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 10
2024 Volume 15
Peak Volume 41 (2015)
Trend Declining

Hospital Affiliations & Quality

H
St Johns Regional Medical Center
3/5
Oxnard, CA
Similar to national avg

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. Jeffers

How does Dr. Jeffers's procedure volume compare to other California surgeons?

Dr. Jeffers has performed 15 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. Jeffers ranks #523 out of 613 orthopedic surgeons in California.

What types of joint replacement does Dr. Jeffers perform?

Dr. Jeffers's reported Medicare volume is focused on knee replacement, with 15 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Jeffers in Oxnard?

Yes. There are 4 orthopedic surgeons in Oxnard 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. Jeffers 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. Jeffers's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 15 procedures shown here.

Has Dr. Jeffers's procedure volume changed over time?

Dr. Jeffers's Medicare-recorded volume peaked at 41 procedures in 2015 and was 15 in the most recent data. Volume fluctuations can reflect changes in payer mix, practice focus, or Medicare reporting rather than a change in overall surgical activity.

Which hospitals is Dr. Jeffers affiliated with?

According to CMS facility affiliation data, Dr. Jeffers is affiliated with St Johns Regional Medical Center.

How does Dr. Jeffers compare to other orthopedic surgeons in Oxnard?

Among the 4 orthopedic surgeons in Oxnard, Dr. Jeffers ranks #3 by total Medicare procedure volume. Dr. Jeffers is among the highest-volume surgeons in Oxnard.

What are the quality ratings for hospitals where Dr. Jeffers practices?

St Johns Regional Medical Center (3 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 Oxnard, California

Dr. Jeffers's 15 Medicare procedures are below the Oxnard average of 51. The table below compares verified procedure volumes for orthopedic surgeons practicing in Oxnard.

SurgeonProceduresSpecialties
Dr. John Quinn 133 Hip, Knee
Dr. Behnam Sharareh 42 Shoulder
Dr. Mark Ghilarducci 15 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. Andrew Jeffers, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-andrew-jeffers-oxnard.html

Link: https://orthoprocedures.com/surgeons/ca/dr-andrew-jeffers-oxnard.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.