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 Joint Replacement 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.

Family Practice

OSPI offers comprehensive family practice services including allergy testing, BHRT, medical weight loss, aesthetics and full check ups.

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!

Dr. Mitch Waller

Chiropractic Doctor

mitch_detailDr. Waller received his Doctor of Chiropractic degree from Logan College of Chiropractic in St. Louis, MO in 2000. He opened his first clinic in Illinois, and in 2008 he received his Masters of Science in Biomechanics from Illinois State University.

He was selected to provide care as a consultant to the St. Louis Rams professional football organization and also provided care to several St. Louis Cardinals and Chicago White Sox professional baseball players in addition to some Chicago Bulls professional basketball players.

He has worked with: Professional Boxers, mixed martial artists, Olympic athletes as well as college and high school athletes. Dr. Waller also has also contributed to several scholarly articles published in various scientific journals, including a podium presentation for the American College of Sports Medicine. Dr. Waller taught undergraduate as well as graduate level biomechanics at Illinois State University and Southern Illinois University in Edwardsville.

Dr. Waller provides functional movement and biomechanical analysis aimed at determining faulty movement patterns and muscular imbalances. The intent of the analysis is to develop therapy protocols designed to maximize the functional capacity of the people that come to see him.

Dr. Waller recently moved to the Phoenix area and enjoys hiking, bicycling, weight training, martial arts, reading scientific literature, and of course, the Arizona weather.

Overview of Common Knee Sports Injuries

In 2014, there were 10.4 million visits to a doctor’s office because of knee injuries. The knee is a complex joint with multiple components. This complexity makes it vulnerable to a variety of injuries. Knee… Read more >

Physical Therapy After Total Hip Replacement

One of the most commonly performed orthopedic surgeries is a total hip replacement (THR). The surgical techniques and prosthesis used for a THR have improved over the years, allowing the patient to now achieve optimal… Read more >

Recovery after Anterior Approach Total Hip Replacement

Anterior hip replacement is a less invasive approach to hip joint surgery. With the anterior approach to total hip replacement, the orthopedic  surgeon in Gilbert AZ accesses the joint from the anterior (front) of the… Read more >