Meet Our Doctors

  • Dr. Josh Middendorf, DC.

    SAINT JOSEPH LOCATION

    Dr. Middendorf has an extensive thirteen years of experience in Chiropractic care. After running his own practice for five years, he joined the Performance Plus team in 2016.

    Dr. Joshua Middendorf hails from a farm in Northeast Missouri, where he spent his formative years. He pursued his passion for Science at Northwest Missouri State University, where he not only earned his bachelor's degree but also met his future wife, who is from St. Joseph, Missouri. Dr. Middendorf obtained his Doctor of Chiropractic license from Logan College of Chiropractic in Chesterfield, MO, and is well-versed in a wide range of evidence-based Chiropractic techniques and treatments. With his knowledge and expertise, Dr. Middendorf is a trusted professional you can rely on for exceptional care.

  • Dr. Aaron Jones, DPT.

    Dr. Aaron Jones, DPT.

    SAINT JOSEPH LOCATION

    Dr. Aaron Jones has been an integral part of Performance Plus Rehabilitation Center for over a decade, serving as the esteemed Physical Therapy Director since 2008. Dr. Jones is a distinguished alumnus of Missouri State University, where he dedicated himself to the study of physical therapy and successfully attained his Doctor of Physical Therapy degree.

    Within the realm of physical therapy, Dr. Jones exhibits a fervent passion for the comprehensive treatment of sports injuries, shoulder injury/dysfunction, and complex neurological conditions such as stroke, spinal cord injury, and Parkinson’s Disease. His unwavering commitment to staying up-to-date of the latest advancements in his field ensures that his patients receive the highest standard of care.

    Beyond his professional pursuits, Dr. Jones is an avid advocate for physical fitness, dedicating his time to weight training, hiking, and other outdoor activities. As a devoted family man, Dr. Jones and his family actively engage in a myriad of activities that promote a healthy lifestyle. Through their collective efforts, they strive to instill the values of wellness and physical activity in their children, fostering a holistic approach to health within their household. Dr. Jones also enjoys woodworking.

    Dr. Jones exemplifies his unwavering dedication to his profession by leading through example, consistently encouraging his patients to embrace an active and wholesome lifestyle at every stage of life. His genuine care and passion for physical therapy are evident in the personalized attention and guidance he provides to each individual under his care.

  • Dr. Allyn Smith, DC.

    CAMERON LOCATION

    Dr. Allyn Smith has been one of the most sought-after Chiropractic care physicians in Northwest Missouri for over thirty years. A prominent figure in the Missouri State Chiropractic Physicians Association, Dr. Smith is known for his active involvement in the American Chiropractic Association. His advocacy extends beyond his practice, as he frequently shares his expertise as a public speaker on topics of health, wellness, and stress management.

    Following his graduation from Northwestern Chiropractic College in Minneapolis, Minnesota in 1991, Dr. Smith established 'Smith Chiropractic and Rehabilitation' in St. Joseph, MO in 1993. His commitment to advancing patient care led to the development of an innovative technique that integrates physical therapy with chiropractic care, leading to the evolution of Smith Chiropractic into the esteemed Performance Plus Rehabilitation Center in 2001.

    Dr. Smith's dedication to promoting a healthy lifestyle is not just a professional pursuit but a personal commitment. As a former All-American Honors Triathlete, he has participated in a multitude of races, spanning triathlons, cycling, mountain biking, and running. His family also embodies a culture of health and wellness. His son, Caleb, served as an Army Ranger with the 75th Ranger Regiment, and his daughter, Holland, previously excelled as an Elite Junior Team USA Triathlete. Furthermore, his wife, Pamela, shares his passion for an active lifestyle, boasting achievements as a former All-American Honors Triathlete and an award-winning runner.

    Dr. Smith's vision for Performance Plus revolves around enhancing the function and overall quality of life for the residents of St. Joseph, MO, Cameron, MO, and the surrounding areas.

  • Dr. Derek Kendall, DPT.

    CAMERON LOCATION

    Dr. Derek Kendall is an esteemed Doctor of Physical Therapy who joined Performance Plus in 2021. Originally from St. Joseph, Missouri, he is deeply rooted in his community, having graduated from Benton High School in 2013. Derek's academic journey led him to Missouri State University in Springfield, Missouri, where he earned a Bachelor’s degree in Exercise and Movement Science in 2017. He then pursued his graduate studies at Rockhurst University in Kansas City, Missouri, culminating in the attainment of his Doctor of Physical Therapy degree in 2021.

    In his free time, Derek enjoys pursuing his passion for golfing, staying active in the great outdoors, and maintaining his fitness through weightlifting.