Medical Advisors

Dr. Dimitrios Kostopoulos is a Board-Certified Clinical Electrophysiology Specialist with over 38 years of clinical experience and more than 30 years in electrodiagnostic testing. He is among a select group of specialists who hold a Doctorate of Science (DSc) in Clinical Electrophysiology Testing, ECS board certification, and laboratory accreditation with exemplary status by ACEWM (Academy of Clinical Electrophysiology & Wound Management)

Dr. Kostopoulos also serves as the Residency Director for Hands-On Diagnostics’ Clinical Electrophysiology program, training the next generation of specialists in advanced diagnostic techniques.

A world-renowned expert and best-selling author in Myofascial Pain and Business Development, Dr. Kostopoulos is the co-founder of Hands-On Companies, established in 1992. The organization has treated over 300,000 patients, performed more than 120,000 diagnostic tests, and educated over 100,000 healthcare professionals worldwide. Dr. Kostopoulos has taught extensively in manual therapy, with a focus on Trigger Point, Myofascial, NeuroFascial Therapy, Manipulation and Diagnostic Testing.

Dr. Kostopoulos holds four doctorate degrees, including a PhD and Master’s from New York University, a Doctorate of Science (DSc) from Rocky Mountain University in Clinical Electrodiagnosis, an MD from UHSA School of Medicine, and a DPT from Evidence in Motion.

He is a past Clinical Affiliate Assistant Professor at Florida Atlantic University, a former member of SACE for the electrophysiology board exam, and a previous Executive Committee member of the Academy of Clinical Electrophysiology and Wound Management (APTA). Additionally, he has served as Adjunct Faculty at Springfield College, teaching Clinical Electrophysiology.

Dr. Kostopoulos is the Editor of the Diagnostic Section for the Journal of Bodywork and Movement Therapies, published by Elsevier, and has authored numerous publications. Recognized with multiple business and humanitarian awards, his work continues to influence both clinical and professional practice globally.

Dr. Brooks has over 25 years of experience as a clinician, administrator, and educator in the field of physical therapy. He received his bachelor’s and master’s degrees from the University of Kentucky, and completed his doctorate in clinical electrophysiology at Rocky Mountain University in 2005. He is board certified by the American Board of Physical Therapy Specialties in both clinical electrophysiology and orthopedics.

Dr. Brooks has worked as a physical therapist in many settings, including outpatient, acute care, home health, and long-term care.

His teaching experience includes the University of Kentucky, University of Indianapolis, Midway College, and Somerset Community College. He was one of the first instructors in Rocky Mountain University’s transitional DPT program, and has also taught numerous continuing medical education courses.

Dr. Brooks is responsible for all clinical education at HODS.

Dr. Wheeler is the Assistant Director of the Clinical Electrophysiology Residency Program of the American Academy of Clinical Electrodiagnosis and Hands-On Diagnostics. He also performs electrophysiologic testing at clinics in 6 clinics throughout Southwestern Wyoming. He became board certified in clinical electrophysiology in 2022.

He was born and raised in Western Wyoming. He is married with 3 kids and loves to spend time with his family and in the beautiful mountains of Wyoming. Healthcare has always been a passion of his. He loves getting to share his knowledge of anatomy, physiology and electrodiagnostics from students all over the world.

Dr. Mohini Rawat is co-founder and president of American Academy of Musculoskeletal Ultrasound. She is Fellowship director of Musculoskeletal Ultrasound program at Hands-On Diagnostics. She is board certified in Clinical Electrophysiology and Orthopaedics by American Board of Physical Therapy Specialties and in Musculoskeletal Sonography by Alliance for Physician Certification and Advancement.

She received her Doctorate in Physical Therapy from MGH institute of Health Professions in Boston and her Masters in Biokinesiology from the University of Southern California. She is faculty for courses in Musculoskeletal Ultrasound and clinical electrophysiology in PT program and other continuing education courses. She has mentored hundreds of clinicians and has reviewed thousands of ultrasound studies. Dr. Rawat is a contributing author and wrote chapters on imaging in books. She has published articles and presented numerous musculoskeletal ultrasound courses, webinars and lectures in multiple professional conferences and organizations including the American Institute of Ultrasound in Medicine and American Academy of Orthopaedics Surgeons annual meeting. She is the chair of the Academy of Clinical Electrophysiology and Wound Management Neuromusculoskeletal Ultrasound Special Interest Group and holds other elected positions in American Physical Therapy Association.

She is editor of a textbook in musculoskeletal ultrasound.

Dr. Rizopoulos, PT, DPT, RMSK, APCA, is board certified in Musculoskeletal Sonography. He has over 35 years of clinical experience and also holds a doctoral degree with a focus on business administration, marketing, PR, and management. He co-founded and successfully established and managed the Hands-On Companies, a consortium of companies in the areas of Physical Therapy, Diagnostic Testing, and Education.

During his extensive experience in diagnostic testing and manual therapy, Dr. Rizopoulos has treated more than 150,000 patients over the last 35 years, and performed thousands of ultrasound diagnostic tests.

He has also co-authored several books with Dr. Kostopoulos, and numerous articles for professional journals.

Dr. Greg Ernst, PT, PhD, ECS, is an assistant professor of the Department of Physical Therapy at UT Health San Antonio. Ernst uses case studies to help students put the pieces together stating, “there is something that can be learned from every patient.” Greg received a Presidential Teaching Excellence Award in 2015.

John is a licensed physical therapist with nineteen years of experience performing electrodiagnostic studies. He achieved board certification from the American Board of Physical Therapy Specialties in 2010 as an electrophysiological clinical specialist and has performed thousands of studies on patients with diverse neuromuscular pathologies in a variety of clinical settings.

John has produced thirteen peer-reviewed scholarly articles and conference presentations related to his experience in clinical electrodiagnosis. He has held elected positions in the Academy of Clinical Electrophysiology and Wound Management and was appointed to the Specialization Academy of Content Experts.

Additionally, John has twelve years of experience as a faculty member in an entry-level physical therapy program and has served as a faculty member and mentor in an American Board of Physical Therapy Residency and Fellowship Education postgraduate program for nine years.

Dr. McKibben is a physical therapist and clinical electrophysiologist. He received his DSc in clinical electrophysiology from Rocky Mountain University, and his MS in physical therapy from North Georgia College. He is board certified in clinical electrophysiology by ABPTS.

He has completed thousands of electrophysiologic studies, and has logged thousands of hours in peer review and administration for electrophysiologic testing laboratories.

Ongoing research interests include severity in focal/mononeuropathies, retrograde axonal atrophy, the mixed media forearm nerve conduction study, short-segment median motor studies in CTS, and F-wave nomograms.

Dr. McKibben serves as the chair for the APTA clinical electrophysiology practice group, and helped to establish the accreditation program for PTs.

In addition to being on the HODS advisory board, he is also a member of the HODS faculty.

Mike received his Masters in Physical Therapy from Widener University in 2001 and Transitional Doctorate in Physical Therapy from Temple University in 2010. He earned a Certificate in Electrophysiological Evaluation from Expert Clinical Benchmarks, LLC, in 2004. Since that time, Mike has worked as a full-time electromyographer for a large healthcare organization in Harrisburg, PA and has completed over 7,000 EMG/NCS evaluations.

He completed a didactic and practical examinations through AAET as a Registered Nerve Conduction Study Technician in 2011 and is an Electrophysiological Certified Specialist (ECS), sponsored by the American Board of Physical Therapy Specialities, attained in 2008. He has presented at both the APTA Combined Sections and APTA National conferences. Mike also works as an adjunct faculty member for Lebanon Valley College Physical Therapy School providing lecture and laboratory expertise for differential diagnosis and electrophysiologic testing modules.

Larry Head is a distinguished professor of Evoked Potential studies and leads the Evoked Potential training program of HODS.

He is the recipient of ASET’s prestigious Theda Sannit Outstanding Educator Award, Recipient of ASET’s prestigious Maureen Berkeley Award for Outstanding Authorship of a Journal Article and ABRET Board Certified in EEG, Evoked Potentials, and Intraoperative Monitoring (R.EEG/EPT, CNIM).

He has more than 30 years of experience in electroneurodiagnostic testing and he is Past President of the Michigan Society of Electoneurodiagnostic Technologists.

Dr. Neff is currently on the USA Wrestling Medical Staff, giving him the opportunity to treat some of our Olympic wrestlers. He also teaches at the Family Medicine Residency Program at Lancaster General. Neff agrees that teaching the Resident Medical Doctors, “keeps my knowledge base strong and on the cutting edge”.

Neff Physical Therapy specializes in not only athletic injuries but all orthopedic diagnoses as well as low back/neck pain and vertigo. Neff recognizes “If someone is going to travel 2½ hours to see me, they expect results and we work very hard to be the best.” Neff Physical Therapy is a Direct Access clinic where you can schedule an appointment without a referral.

Dr. Upreti is a Research Associate in the Department of Neuroscience at Columbia University Medical Center, where he conducts ongoing research on the cellular and molecular mechanisms of attention, learning, and memory processes. He has been conducting research in the field of neuroscience for more than a decade specializing in the field of neuroplasticity (the brain’s ability to adjust the changes in environment due to injury or disease. His research has been presented in international conferences, and has been published in prestigious medical and science journals.

As Director of Research, Dr. Upreti’s goal at HODS is to create, support, and conduct research in the areas of electrophysiological, neuromusculoskeletal ultrasound imaging, and vestibular testing technologies. His goal is also to provide evidence of the proper application and utilization of these technologies in the field of diagnostics.

A distinguished neurologist for over 20 years, Dr. Khan has affiliations with NewYork-Presbyterian Weill Cornell Medical Center, Winthrop University Hospital, and North Shore University Hospital. He also has a thriving private practice.

His extensive knowledge in neurology and electrodiagnostic medicine makes him a valuable contributor to the HODS advisory board.

Dr. Marrero-Prats was born and raised in San Juan, Puerto Rico. After completing part of his training at the UPR-MSC Surgery Dept., he moved to New York City to complete a Burn and Reconstructive Surgery fellowship at the prestigious Stanley M. Levenson Burn Unit at Jacobi Medical Center, one of the busiest Burn Units in the United States. Dr. Marrero then moved to SUNY Upstate where he continued his medical training by completing residency in Physical Medicine and Rehabilitation. His last stop for training was in Miami, Florida, where he completed an ACGME accredited Interventional Pain Fellowship at the University of Miami.

Dr. Marrero provides a comprehensive and holistic approach to Pain Medicine. Dr. Marrero is mindful of the individual needs of his patients, understanding that everyone experiences pain differently, and therefore, will bring an individualized multidisciplinary approach for treating pain. Additionally, Dr. Marrero has published several case reviews and currently has a book chapter under review for publication.

Jeanine serves as the Vice President of Clinical Education for Hands-On Diagnostics. She brings a unique perspective as she is one of the original HODS members and assists on the Business Advisory Board for this group as well. She is passionate about elevating the physical therapy profession and enabling practitioners to accurately diagnose their patients and provide treatment that will ensure an optimal outcome.