OSPI offers the top orthopedic surgeons in Gilbert AZ and the East Valley. Drs. Mahoney, Macqueen, Stewart and Clouse offer minimally invasive General, Sports and Hand Surgery expertise.

Physical Therapy

Whether you are pre or post-operative, OSPI’s East Valley physical therapy team works with you on both active and passive treatments. Your will be in the best hands with our licensed physical therapists!


The Gilbert chiropractors at OSPI offer a plethora of nonoperative pain relief options such as manipulations, laser therapy, physiotherapy and electrical stimulation.


Crossfit Broken Bones powered by OSPI Orthopedics is an innovative performance center that is dedicated to helping individuals achieve their health and fitness goals.

Medical Weight Loss

Patients routinely experience dramatic, healthy weight loss with the customized programs at OSPI. The programs combine nutrition, exercise and prescription weight loss options.

Performance Training

OSPI’s integrated team of healthcare providers work with both amateur and professional athletes to maximize one’s performance with sport specific programs.

Pain Management

OSPI’s Board Certified, Fellowship Trained pain doctor offers both medication management and interventional procedures with exceptional outcomes!

Benjamin R. MacQueen, MD

Sports Medicine, Arthroscopy, Knee and Shoulder Reconstruction, General Orthopedics

benjamin_detailFollowing his medical training, Dr. MacQueen moved to Virginia to do an internship in General Surgery at the University of Virginia in Charlottesville, VA. He then completed a four year Orthopedic Surgery residency program at the Medical College of Virginia in Richmond, VA. While in Richmond, Dr. MacQueen completed a fellowship in Arthroscopy and Sports Medicine.

When not at work, Dr. MacQueen enjoys spending time with his wife and five children. His other interests include watching and playing most sports (especially football and basketball). He also participates in various church activities including working with the youth and the boy scouts.


Board Certified – American Board of Orthopedic Surgery
Fellowship Training – Arthroscopic Surgery and Sports Medicine

Hospital Affiliations

Mercy Gilbert Medical Center
SurgCenter Gilbert Ambulatory Surgery Center
Chandler Regional Medical Center
Arizona Orthopedic Surgical Hospital
Arizona Spine and Joint Hospital

Professional Organizations

American Academy of Orthopedic Surgery (AAOS)
Arthroscopy Association of North America (AANA)
American Orthopedic Society of Sports Medicine (AOSSM)

Shoulder Arthroscopy and Debridement with Top Arizona Orthopedic MDs

Shoulder arthroscopic debridement is a procedure used to relieve pain and restore function to the shoulder joint. This surgery is best for patients who have rotator cuff tears that cannot be fully repaired. The procedure… Read more >

Current Concepts in Anterior Cruciate Ligament Repair

Anterior cruciate ligament (ACL) repair is a procedure used to rebuild the ligament in the center portion of the knee. The ACL keeps the tibia (shinbone) in place. When this ligament is torn or damaged,… Read more >

Female Triad: What Is It?

In recent years, there has been a steady rise in female participation in the world of sports. While this is taken as good news, but with the increase in participation, increased occurrence of a triad… Read more >