At Rejuv Medical, we are redefining healthcare and how we treat chronic pain, orthopedic injuries, and arthritis. Our healthcare providers are national leaders in their prospective fields of practice.
Our healthcare model maximizes your results by integrating and optimizing healthy overall lifestyle changes and movement patterns. Your healthcare plan is carefully crafted to place you in an environment where expert providers can pinpoint the root cause of your specific needs.
ORTHOPEDICS & PAIN SOLUTIONS
Non-surgical holistic treatment for knees, shoulders, elbows, hips, lower back, neck, arthritis & so much more.
MINIMALLY-INVASIVE SURGERY
Small incisions offer the same benefits as traditional surgery with less risk, less pain, and faster recovery.
Meet The Team

MATTHEW J. JANZEN, M.D.
Interventional Pain and Regenerative Orthopedics
View Profile
Dr. Matthew Janzen is a Physical Medicine and Rehabilitation physician specializing in pain management. Dr. Janzen began his medical journey at the University of Minnesota, where he obtained his Bachelor of Science in Genetics and Neuroscience before he attended the University of Minnesota Medical School, where he received his MD. After medical school, he spent his Intern year training at Broadlawns Medical Center in Des Moines, Iowa. After his Intern year, he spent the next three years completing his Physical Medicine and Rehabilitation residency at Tufts Medical Center in Boston, Massachusetts. Following residency, he completed an Interventional Pain Management fellowship at Deuk Spine Institute in Melbourne, Florida. Dr. Janzen’s skills include pain management, peripheral nerve blocks, joint injections, and all types of therapeutic and diagnostic spinal injections. He believes in a patient-centered, multidisciplinary approach to optimize patients’ health and quality of life. Dr. Janzen is a Minnesota native whose family and friends are what drew him back from the East Coast. Dr. Janzen loves all water sports in the summertime, alpine skiing in the winter, and traveling to new places in between.

Joanne Kaseman, PT, PA-C
Orthopedics and Sports Medicine
View Profile
A nationally certified provider specializing in non-surgical orthopedics, sports medicine, and functional medicine. With 25 years of experience in orthopedic surgery and sports medicine, Joanne’s focus is on holistic, patient-centered care to help individuals recover, regain mobility, and enhance their well-being, while specializing in treating musculoskeletal conditions, offering guidance on rehabilitation, exercise, and lifestyle modifications. Committed to continuous learning, she trains with specialists at Rejuv Medical to stay at the forefront of regenerative medicine. A North Dakota native, you’ll find Joanne enjoying an active lifestyle, including biking, hiking, skiing, and golfing.

Kessiena Aya, D.O., M.SC
Orthopedic Surgery
View Profile
Dr. Kessiena Aya is a fellowship-trained, board-eligible orthopedic spine surgeon now proudly serving as part of the Rejuv Medical team. Specializing in minimally invasive and outpatient-based cervical and lumbar procedures, Dr. Aya is dedicated to providing comprehensive care for conditions like degenerative spine diseases, spinal deformities, sports-related injuries, nerve compression injuries, and traumatic fractures. She is skilled in advanced techniques, including free-hand, fluoroscopic, and navigation-based instrumentation for the cervical, thoracic, and lumbar spine.
With prior experience at Inspired Spine, Dr. Aya brings to Rejuv Medical her expertise in MISS (minimally invasive spine surgery) solutions and advanced pain management techniques, including neuroaxis injections and spinal cord stimulation. Her training includes specialized spine surgery fellowships, where she honed her abilities in both surgical and non-operative approaches to complex spinal conditions.
Dr. Aya is a graduate of Touro College of Osteopathic Medicine and also holds a Master’s in Chemical and Environmental Toxicology, with published research experience. Actively involved in the North American Spine Society, Dr. Aya remains committed to multidisciplinary, patient-centered care as she supports the mission of Rejuv Medical to offer innovative, regenerative orthopedic care.