Daniel Dumitru, MD, PhD, is an American physiatrist and electromyographer renowned for his expertise in electrodiagnostic medicine and his contributions to the field through clinical practice, education, and authorship. He earned his Doctor of Medicine from the University of Cincinnati College of Medicine in 1980 and completed his residency in physical medicine and rehabilitation at the University of Texas Health Science Center at San Antonio (UTHSCSA) in 1983. Board-certified by the American Board of Physical Medicine and Rehabilitation and the American Board of Electrodiagnostic Medicine, Dumitru has practiced for over four decades, specializing in rehabilitation medicine and electrodiagnostic testing to diagnose neuromuscular disorders.

Currently a professor in the Department of Rehabilitation Medicine at UTHSCSA, Dumitru provides care at University Hospital in San Antonio, where he is recognized for his patient-centered approach and high ratings in electrodiagnostic services. His scholarly impact is highlighted by his co-authorship of the second edition of Electrodiagnostic Medicine (2001), a comprehensive reference text on the principles, theory, and clinical applications of electrodiagnostic techniques, widely regarded as a foundational resource for practitioners and residents in the field. In 2024, he received the Top Doctors Award, placing him among the top 7% of U.S. physicians nominated by peers in physical medicine and rehabilitation.