#23 Knee
#36 Hip

Dr. Darrin Trask

Orthopedic Surgery
127 procedures 5 hospitals Scottsdale, AZ
Latest available Medicare data — updated April 2026
Rising Star
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Hip 41 vs 36 avg (4,526 surgeons)
Knee 86 vs 45 avg (6,720 surgeons)

Dr. Darrin Trask is a board-certified orthopedic surgeon practicing in Scottsdale, Arizona. A Medicare provider since 2013, Dr. Trask has performed 86 Medicare-verified knee replacements (#23 in Arizona) and 41 hip replacements, for a combined total of 127 procedures.

In Arizona, Dr. Trask performs above average in knee (86 vs 49 avg), near average in hip (41 vs 37 avg).

Dr. Trask's reported Medicare volume is split between knee replacements (86 cases) and hip replacements (41 cases).

Beyond general orthopedic surgery, Dr. Trask holds additional credentials in Adult Reconstructive Orthopaedic Surgery, reflecting subspecialty training that may benefit patients with complex joint conditions.

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

Medicare records for Dr. Trask extend back to 2019, covering 5 years of data. Over that period, recorded procedure volume increased from 42 to 127 in the most recent data, a 202% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Trask's 86 verified procedures is above the national average of 45.

Verified Medicare Cases

Knee Replacement
86 verified cases
#23 in Arizona
Hip Replacement
41 verified cases
#36 in Arizona
Estimated total: 340 – 380 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. Trask Compares

Procedure volume compared to the Arizona state average.

Hip Average
41 Avg: 37
Knee High
86 Avg: 49
Dr. Trask Arizona Average

Contact & Location

Phone: 480-301-8000
13400 E Shea Blvd
Scottsdale, AZ 85259
NPI: 1487997862
Active Medicare provider (NPI verified)
13 years of practice experience
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Trask's Medicare-recorded procedure volume has trended upward over 5 years, increasing 202% from 42 procedures in 2019 to 127 in the most recent data.

Years of Data 5
2023 Volume 127
Peak Volume 127 (2023)
Trend Growing

Hospital Affiliations & Quality

H
Multicare Capital Medical Center
★★★★☆
Olympia, WA
Similar to national avg
H
Providence St Peter Hospital
★★★☆☆
Olympia, WA
Similar to national avg
H
Mason General Hospital & Family Of Clinics
★☆☆☆☆
Shelton, WA
H
Grays Harbor Community Hospital
★★☆☆☆
Aberdeen, WA
Similar to national avg
H
Tacoma General Allenmore Hospital
★★☆☆☆
Tacoma, WA
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. Trask

How does Dr. Trask's procedure volume compare to other Arizona surgeons?

Dr. Trask has performed 127 Medicare-verified joint replacement procedures. This is significantly above the Arizona average of 68 procedures per surgeon. Dr. Trask ranks #30 out of 193 orthopedic surgeons in Arizona.

What types of joint replacement does Dr. Trask perform?

Dr. Trask's Medicare data shows procedures in knee replacement (86 cases) and hip replacement (41 cases).

Are there other orthopedic surgeons near Dr. Trask in Scottsdale?

Yes. There are 23 orthopedic surgeons in Scottsdale 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 Arizona surgeons.

What does the Medicare data for Dr. Trask 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. Trask's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 127 procedures shown here.

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

Yes. Dr. Trask's Medicare-recorded volume has increased from 42 procedures in 2019 to 127 in the most recent data, a 202% increase over 5 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 127 procedures in 2023.

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

Yes. Dr. Trask's Medicare data shows procedures in knee replacement (86 cases), hip replacement (41 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Trask affiliated with?

According to CMS facility affiliation data, Dr. Trask is affiliated with Multicare Capital Medical Center, Providence St Peter Hospital, Mason General Hospital & Family Of Clinics, Grays Harbor Community Hospital, Tacoma General Allenmore Hospital. Dr. Trask maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.

How does Dr. Trask compare to other orthopedic surgeons in Scottsdale?

Among the 23 orthopedic surgeons in Scottsdale, Dr. Trask ranks #4 by total Medicare procedure volume. The highest-volume surgeon in Scottsdale has 327 verified Medicare procedures.

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

Multicare Capital Medical Center (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Providence St Peter Hospital (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Mason General Hospital & Family Of Clinics (1 out of 5 CMS stars). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.

Other Orthopedic Surgeons in Scottsdale, Arizona

Dr. Trask's 127 Medicare procedures are below the Scottsdale average of 175. The table below compares verified procedure volumes for orthopedic surgeons practicing in Scottsdale.

SurgeonProceduresSpecialties
Dr. Bertrand Kaper 327 Hip, Knee, Shoulder
Dr. Matthew Russo 281 Hip, Knee
Dr. Perry Evangelista 159 Hip, Knee
Dr. Daniel Galat 118 Hip, Knee
Dr. Timothy Kavanaugh 114 Hip, Knee, Shoulder
Dr. Brian Gruber 101 Knee, 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. Darrin Trask -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/az/dr-darrin-trask-scottsdale.html

Link: https://orthoprocedures.com/surgeons/az/dr-darrin-trask-scottsdale.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.