David Dyslin, MD, Facs

Dr. Michael Briseño is a board-certified spine specialist at North Texas Orthopedics & Spine Center, where he has been serving patients since 2014. Passionate about helping others, he takes a holistic, patient-first approach—prioritizing education and non-surgical treatments whenever possible. With expertise in minimally invasive spine surgery, spinal decompression, fusion, deformity correction, artificial disc replacement, and spine trauma, Dr. Briseño is dedicated to improving quality of life through personalized care. He’s known for clearly explaining complex spine issues, helping patients make informed decisions about their health.

Dr. Christopher Tucker is board-certified in physical medicine and rehabilitation, pain management, and electrodiagnostic medicine. He is dedicated to improving his patients’ pain and function. He completed his Doctor of Osteopathic Medicine degree in 1988 from Michigan State University. From there, he went on to complete an internship at Detroit Osteopathic Hospital and residency in physical medicine and rehabilitation from Wayne State University in 1992. Dr. Tucker’s main interests include musculoskeletal medicine including neck and low back pain, electrodiagnostic evaluation of neuromuscular injuries and diseases, acute and chronic pain management, and occupational and sports medicine.

Dr. Kristen Fleager is a fellowship-trained orthopedic surgeon who specializes in the upper extremity, including the hand, wrist, forearm, elbow, and upper arm. She received her undergraduate degree from Stanford University, where she was a Division I athlete. Dr. Fleager earned her Doctor of Medicine degree from The University of Texas Southwestern Medical School in Dallas, serving as class president for four years. She returned to Stanford to complete an orthopedic surgery residency. From there, she was selected for the prestigious Harvard Hand and Upper Extremity Fellowship, where she trained under world-renowned surgeons at Brigham and Women’s Hospital, Massachusetts General Hospital, and Boston Children’s Hospital.