#454 in California
Knee

Dr. Victor Prieto, MD

Orthopedic Surgery
13 procedures 1 hospital San Francisco, CA
Latest available Medicare data — updated April 2026
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Knee 13 vs 45 avg (6,720 surgeons)

Dr. Victor Prieto is a board-certified orthopedic surgeon practicing in San Francisco, California. A Medicare provider since 2006, Dr. Prieto has performed 13 Medicare-verified knee replacements, ranking #454 in California.

In California, Dr. Prieto performs below average in knee (13 vs 45 avg).

Dr. Prieto's Medicare data shows a focused knee replacement practice with 13 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.

San Francisco is home to 23 orthopedic surgeons in the current Medicare dataset. Patients in the San Francisco area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Prieto's Medicare data spans 9 years, beginning in 2013. Volume peaked at 40 procedures in 2013 before settling at 13 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Dr. Prieto's 13 knee replacement procedures is below the national average of 45 among 6,720 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Knee Replacement
13 verified cases
#454 in California
Estimated total: 40 – 40 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. Prieto Compares

Procedure volume compared to the California state average.

Knee Below Avg
13 Avg: 45
Dr. Prieto California Average

Contact & Location

Phone: 415-353-6400
900 Hyde St
San Francisco, CA 94109
NPI: 1275692873
Credentials: MD
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed MD
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Prieto's recorded volume peaked at 40 procedures in 2013 and stood at 13 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 9
2023 Volume 13
Peak Volume 40 (2013)
Trend Declining

Hospital Affiliations & Quality

H
Ucsf Health Saint Francis Hospital
★★☆☆☆
San Francisco, 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.

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. Prieto

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

Dr. Prieto has performed 13 Medicare-verified joint replacement procedures. The California average is 65 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Prieto ranks #552 out of 608 orthopedic surgeons in California.

What types of joint replacement does Dr. Prieto perform?

Dr. Prieto's reported Medicare volume is focused on knee replacement, with 13 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Prieto in San Francisco?

Yes. There are 23 orthopedic surgeons in San Francisco 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. Prieto 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. Prieto's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 13 procedures shown here.

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

Dr. Prieto's Medicare-recorded volume peaked at 40 procedures in 2013 and was 13 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. Prieto affiliated with?

According to CMS facility affiliation data, Dr. Prieto is affiliated with Ucsf Health Saint Francis Hospital.

How does Dr. Prieto compare to other orthopedic surgeons in San Francisco?

Among the 23 orthopedic surgeons in San Francisco, Dr. Prieto ranks #20 by total Medicare procedure volume. The highest-volume surgeon in San Francisco has 162 verified Medicare procedures.

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

Ucsf Health Saint Francis Hospital (2 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 San Francisco, California

Dr. Prieto's 13 Medicare procedures are below the San Francisco average of 105. The table below compares verified procedure volumes for orthopedic surgeons practicing in San Francisco.

SurgeonProceduresSpecialties
Dr. Jeffrey Barry 162 Hip, Knee
Dr. Peter Callander 140 Hip, Knee
Dr. Derek Ward 133 Hip, Knee
Dr. Erik Hansen 120 Hip, Knee
Dr. James Kelly 93 Shoulder
Dr. Christopher Cox 76 Hip, Knee

Patient Reviews & Ratings

OrthoProcedures.com focuses on verified Medicare procedure data. For patient reviews, ratings, and appointment scheduling, visit these trusted platforms:

These links lead to third-party websites. OrthoProcedures.com is not affiliated with these platforms and cannot verify the accuracy of reviews.

Cite This Data

APA: OrthoProcedures. (2026). Dr. Victor Prieto, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-victor-prieto-san-francisco.html

Link: https://orthoprocedures.com/surgeons/ca/dr-victor-prieto-san-francisco.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.