Dr. James L. Mortensen, DPT – Physical Therapy & Neurological Rehabilitation Expert Witness

Dr. James L. Mortensen is a Doctor of Physical Therapy with specialized clinical expertise in vestibular, neurological, and orthopedic rehabilitation. With over a decade of hands-on experience in treating complex injuries, he is frequently called upon for expert consultation in personal injury, neurorehabilitation, and physical therapy-related litigation. His focus includes the evaluation and treatment of mild traumatic brain injury (mTBI), post-concussion syndrome, whiplash, dizziness, balance dysfunction, and other neurologically driven movement disorders.

Dr. Mortensen’s background includes advanced training in concussion care, vestibular assessment, and the management of cervical spine injuries and cervicogenic dizziness. He is certified in spinal manipulation, functional movement assessment, and complex BPPV management, and brings authoritative insight into orthopedic and musculoskeletal rehabilitation. His understanding of standard of care issues, injury mechanisms, and functional capacity allows him to provide thorough, defensible analysis to legal teams and insurance professionals.

In addition to his clinical expertise, Dr. Mortensen has held leadership roles in high-volume outpatient clinics and has been recognized for his clear communication and evidence-based approach to treatment. He offers litigation support through medical record review, documentation analysis, functional mobility evaluations, and expert testimony. Attorneys rely on his ability to explain complex physical therapy interventions in a manner that is both technically sound and accessible to judges and juries.

Dr. Mortensen has been deposed multiple times and has served as an expert in both plaintiff and defense matters. His insights have been featured in media outlets and educational institutions, where he lectures on topics related to vestibular rehabilitation, fall prevention, and concussion management. Based in Las Vegas, he is available for consultation and testimony nationwide.

Education and Certifications:

• B.S. In Kinisiological Sciences In 2010 
• Doctor Of Physical Therapy Awarded From Touro University Nevada In 2014 
• Certified in Applied Prevention and Health Promotion Through The Institute of Clinical Excellence 
• Certified in Dry Needling Level-1 by Kinetcore 2018
• Master Level 3 Balance Certified By Fyzical Therapy And Balance Centers Educational Curriculum 
• Completed Advanced Coursework on Treatment and Diagnosis of Cervical Dysfunction, 2017, 2018, 2019, 2022 
• Completed Advanced Coursework on Treatment and Diagnosis of Lumbar Dysfunction, 2017, 2018, 2019, 2022 
• Completed Advanced Coursework On Treatment And Diagnosis Of TMJD 2019 
• Completed Advanced Coursework On Treatment And Diagnosis Of Cervicogenic Dizziness 2020 
• Completed Advanced Coursework on Treatment and Diagnosis of MTBI/concussion 2020 
• Completed Advanced Coursework On Administration of Computerized Dynamic Posturography 2020 
• Completed LSVT BIG Certification for Treatment Of Parkinson’s Disease In 2024