#5 Knee
#8 Hip

Dr. William Barrett, M.D.

Orthopedic Surgery
191 procedures Renton, WA
Latest available Medicare data — updated April 2026
Top 10% Nationally
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Hip 77 vs 36 avg (4,526 surgeons)
Knee 114 vs 45 avg (6,720 surgeons)

Dr. William Barrett is a board-certified orthopedic surgeon practicing in Renton, Washington. Dr. Barrett has performed 114 Medicare-verified knee replacements (#5 in Washington) and 77 hip replacements, for a combined total of 191 procedures.

In Washington, Dr. Barrett performs well above average in knee (114 vs 42 avg), well above average in hip (77 vs 38 avg).

Dr. Barrett's reported Medicare volume is split between knee replacements (114 cases) and hip replacements (77 cases).

Renton is home to 6 orthopedic surgeons in the current Medicare dataset. Patients in the Renton area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Barrett's Medicare record spans 11 years from 2013 through 2023. Procedure volume has remained consistent during that period, ranging from 144 to 209 procedures per year, reflecting a steady joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Barrett's 114 verified procedures is more than 2x the national average of 45.

Verified Medicare Cases

Knee Replacement
114 verified cases
#5 in Washington
Hip Replacement
77 verified cases
#8 in Washington
Estimated total: 520 – 580 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. Barrett Compares

Procedure volume compared to the Washington state average.

Hip Very High
77 Avg: 38
Knee Very High
114 Avg: 42
Dr. Barrett Washington Average

Contact & Location

4011 Talbot Rd S
Renton, WA 98055
NPI: 1528001682
Credentials: M.D.
Active Medicare provider
Find Practice on Google Maps

Volume Trend Analysis

Dr. Barrett's procedure volume has been consistent across 11 years of Medicare data, ranging from 144 to 209 procedures per year. This stability suggests a well-established joint replacement practice.

Years of Data 11
2023 Volume 191
Peak Volume 209 (2022)
Trend Stable

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. Barrett

How does Dr. Barrett's procedure volume compare to other Washington surgeons?

Dr. Barrett has performed 191 Medicare-verified joint replacement procedures. This is more than 3x the Washington average of 59 procedures per surgeon. Dr. Barrett ranks #4 out of 202 orthopedic surgeons in Washington.

What types of joint replacement does Dr. Barrett perform?

Dr. Barrett's Medicare data shows procedures in knee replacement (114 cases) and hip replacement (77 cases).

How experienced is Dr. Barrett with knee replacement surgery?

Dr. Barrett ranks #5 in Washington for knee replacement with 114 Medicare-verified procedures. This high ranking among 202 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Barrett in Renton?

Yes. There are 6 orthopedic surgeons in Renton 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 Washington surgeons.

What does the Medicare data for Dr. Barrett 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. Barrett's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 191 procedures shown here.

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

Dr. Barrett's procedure volume has been relatively stable over 11 years of Medicare data, ranging from 144 to 209 procedures per year between 2013 and 2023. Consistent volume over multiple years reflects a steady joint replacement practice.

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

Yes. Dr. Barrett's Medicare data shows procedures in knee replacement (114 cases), hip replacement (77 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

How does Dr. Barrett compare to other orthopedic surgeons in Renton?

Among the 6 orthopedic surgeons in Renton, Dr. Barrett ranks #1 by total Medicare procedure volume. Dr. Barrett has the highest verified Medicare volume in the city.

Other Orthopedic Surgeons in Renton, Washington

Dr. Barrett's 191 Medicare procedures are above the Renton average of 100. The table below compares verified procedure volumes for orthopedic surgeons practicing in Renton.

SurgeonProceduresSpecialties
Dr. Timothy Alton 184 Hip, Knee
Dr. Fredrick Huang 102 Hip, Knee
Dr. Andrew Merritt 69 Hip, Knee
Dr. Prashoban Bremjit 37 Hip, Knee
Dr. Sean Haloman 16 Shoulder

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. William Barrett, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/wa/dr-william-barrett-renton.html

Link: https://orthoprocedures.com/surgeons/wa/dr-william-barrett-renton.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.