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Jackson Rehabilitation Hospital

Physician Team

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Dr. Irwin Biosketch, M.D.

Dr. Irwin acts as the Chief of Service for Rehabilitation Medicine and is the Interim Chair and Professor in Physical Medicine and Rehabilitation at the University of Miami Miller School of Medicine (UMMSM) and received his undergraduate degree from the University of New Mexico and attended medical school at the University of New Mexico School of Medicine. He went on to residencies in both Internal Medicine and Physical Medicine and Rehabilitation at Louisiana State University. Dr. Irwin was previously the Assistant Dean for Student affairs at UMMSM before becoming the Interim Chair in 2015. Dr. Irwin is currently board certified in Physical Medicine and Rehabilitation, Pain Medicine and Sports Medicine through the American Board of PM&R and Electrodiagnostic Medicine through the American Board of Electrodiagnostic Medicine. His research interests are in ultrasound medicine, sports and spine and education. He is active in teaching both medical students and PM&R residents. He is the faculty advisor for the UMMSM Gold Humanism Honor Society.

Diana D. Cardenas, M.D., M.H.A.

Chief of Service and Medical Director for Rehabilitation, Jackson Memorial Hospital and Professor and Chair of the Department of Rehabilitation Medicine, University of Miami Miller School of Medicine

Dr. Cardenas is board certified by the American Board of Physical Medicine and Rehabilitation. She serves as Chief of Service for Rehabilitation Medicine and Director of the Jackson Memorial Rehabilitation Hospital. She is the Principal Investigator and Project Director of the South Florida Spinal Cord Injury (SCI) Model System, one of 14 SCI model systems in the nation funded by the National Institute on Disability and Rehabilitation Research (NIDRR), Department of Education (DOE), and the only SCI model system in the State of Florida. She is recognized as an international expert in SCI and has published 119 peer-reviewed research papers on studies pertaining to secondary conditions in disability with a focus on SCI complications. She is a member of the Institute of Medicine of the National Academies. She has been an academic physiatrist for more than 35 years and attends in the SCI Clinic at Jackson Memorial Rehabilitation Hospital, performs consultations on the acute services at Jackson, and directors the SCI Medicine Fellowship. She is a co-investigator in the Schwann Cell Transplantation study sponsored by the Miami Project.

Gemayaret Alvarez, M.D.

Medical Director of NeuroRehabilitation, Jackson Memorial Hospital and Assistant Professor, Department of Rehabilitation Medicine, University of Miami Miller School of Medicine

Dr. Alvarez is board certified by the American Board of Physical Medicine and Rehabilitation She is fellowship trained in Brain Injury Medicine. She serves as Medical Director of the Neuro-Rehabilitation Service at Jackson Memorial Hospital (JMH). Her clinical interests include Neuropharmacology, spasticity, and disorders of consciousness. She is the director Clinical Care Services for the South Florida Traumatic Brain Injury Model System funded by NIDRR, DOE. Her clinical specialization is in acquired
brain injury rehabilitation management, neuropharmacology, Botox injection and baclofen pumps for spasticity management.

Kevin Dalal, M.D.

Medical Director of Spinal Cord Injury Rehabilitation, Jackson Memorial Hospital and Assistant Professor, Department of Rehabilitation Medicine, University af Miami Miller School of Medicine.

Dr. Dalal is board certified by the American Board of Physical Medicine and Rehabilitation and subspecialty certified in Spinal Cord Injury Medicine. He serves as Medical Director of the Spinal Cord Injury Rehabilitation Unit at Jackson Memorial Rehabilitation Hospital and performs consultations at Jackson Memorial Hospital as well as University of Miami Hospital. His clinical interests include neuropathic pain, spasticity, and back injuries. He is the site-Principal Investigator for the COM IT
(Collaboration on Mobility Training) study funded by NIDRR, DOE. He lectures extensively on Spinal Anatomy and Complications of Spinal Cord Injury, and is an Associate Program Director for the Physical Medicine & Rehabilitation residency program.

Seema Khurana, D.O.

Medical Director of Comprehensive and of Pediatric Rehabilitation, Jackson Memorial Rehabilitation Hospital and Assistant Professor, Department of Rehabilitation Medicine, University of Miami Miller School of Medicine.

Dr. Khurana is board certified by the American Board of Physical Medicine and Rehabilitation. She serves as Medical Director of the Comprehensive and Pediatric Rehabilitation, Jackson Memorial Rehabilitation Hospital. Her clinical interests include spasticity management, multiple sclerosis, brace and wheelchair fitting. She is the site-Principal Investigator for the Study with 3mg/ml Gablofen funded by CNS Therapeutics. She is the UM Clerkship Director for the Physical Medicine & Rehabilitation medical student program.

Douglas Johnson-Greene, PhD

Consulting Neuropsychologist, Jackson Memorial Hospital and Director of the South Florida Traumatic Brain Injury Model System; Director of Neuropsychology and Rehabilitation Psychology, Associate Professor, Vice-Chair of the Department of Rehabilitation Medicine, University of Miami Miller School of Medicine.

Dr. Johnson-Greene is board certified by the American Board of Professional psychology (ABPP) in the areas of Clinical Psychology, Rehabilitation Psychology, and Clinical Neuropsychology. He is the Principal Investigator and Project Director of the South Florida Traumatic Brain Injury (TBI) Model System, one of 16 TBI model systems in the nation funded by the National Institute on Disability and Rehabilitation Research (NIDRR), Department of Education (DOE), and the only TBI model system in the State of Florida. He is a fellow of the American Academy of Clinical Neuropsychology, the National Academy of Neuropsychology, and Divisions 12, 22, 40, and 50 of the American Psychological Association. He is an NIH-funded researcher who has over 85 scholarly publications and who has served on NIH and other grant study sections, the editorial boards of several journals, and is a frequent presenter at national meetings. His clinical interests include the assessment and treatment issues in neurological populations, impact of hazardous drinking in medically ill populations, and professional and ethical issues in training and practice.

Lauren T. Shapiro, MD, MPH

Dr. Shapiro is board certified in Physical Medicine and Rehabilitation and Brain Injury Medicine. She earned her medical degree from the State University of New York- Stony Brook School of Medicine and holds a Master’s degree in Public Health from Johns Hopkins. She completed her residency at Northwestern University, Rehabilitation Institute of Chicago, where she served as chief resident. Her clinical interests include concussion and other forms of traumatic brain injury, stroke rehabilitation, spasticity management, prosthetics and orthotics, as well as the prevention of disability.

Andrew Sherman, M.D., M.S.

Dr. Sherman is the Professor and Vice Chair in the Department of Physical Medicine and Rehabilitation at the University of Miami Miller School of Medicine. Dr. Sherman obtained a Bachelor of Science from Cornell University, then began his medical training at SUNY Buffalo Medical School, and then completed his internship and PM&R Residency at the University of Washington in Seattle. Dr. Sherman then completed a fellowship in spinal pain and musculoskeletal rehabilitation at the Beth Israel Hospital in New York, and served a year as an instructor at Mount Sinai Hospital in Manhattan. Dr. Sherman began his tenure at the University of Miami Miller School of Medicine in 1999, initially joined the University in the Department of Neurosurgery serving as staff physiatrist specializing in spine, musculoskeletal and neurological rehabilitation and spinal cord injury. In 2002 he co-founded the new independent Department of Rehabilitation Medicine. In 2002 Dr. Sherman also became founding program director of both the Spinal Cord Injury Fellowship and the PM&R Residency, a position he still continues in today. Dr. Sherman was named department clinical director from 2005-2006 and then Vice Chairman in 2007. Dr. Sherman also serves as the Chief of Staff for the Department of PM&R at UMHC/Sylvester Hospital. He has been elected and serves on the Leadership Council for the University of Miami Medical Group (UMMG) and Governing Board for the UMMG. Dr. Sherman became active in the Florida Academy of Pain Medicine serving as board member and Vice Chair and the Florida Academy of PM&R serving as Board member at large for the last 8 years. Dr. Sherman also serves as chair of the University of Miami CME committee and is managing/founding editor of the MSK section of “Knowledge Now” affiliated with the American Academy of PM&R. Dr. Sherman and attends to a busy academic clinical practice specializing in spine and musculoskeletal pain disorders. He lectures extensively locally, regionally, and nationally and has published many peer reviewed abstracts, journal articles and book chapters.

Jackson Rehabilitation Hospital
Jackson Rehabilitation Hospital
1611 N.W. 12th Avenue
Miami, Florida 33136-1096
Phone: 305-585-7112
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