Meet Our Staff

The International Multiple Sclerosis Management Practice (IMSMP) is a world leading center for the care and treatment of people with multiple sclerosis. The most comprehensive multidisciplinary MS team is assembled to provide the best level of care for our patients.

Saud A. Sadiq, MD, FAAN

Director

Saud A. Sadiq, MD, FAAN is the Director and Chief Research Scientist of the Tisch MS Research Center of New York.  He is also the founder/director of the International Multiple Sclerosis Management Practice. These two institutions opened their doors together in 2006 and constitue the largest MS center in the world.

Dr. Sadiq is a board-certified neurologist with residency training...


Andrew Sylvester, MD

Attending Neurologist

Dr. Andrew Sylvester is a board-certified neurologist at the IMSMP. He earned his BA at Washington University in St. Louis, and attended medical school at the Mount Sinai School of Medicine in New York City.  Dr. Sylvester completed his residency in neurology at the Albert Einstein College of Medicine from 1997 - 1999. He then subspecialized in MS by completing a two-year clinical...


Armistead D. Williams, III, MD

Associate Medical Director, Attending Neurologist

Dr. Armistead D. Williams is the Associate Medical Director at the IMSMP. He received his BA with majors in biology and studio art at the University of Virginia. He received his MD and completed his medical internship at the University of Virginia Medical Center. He trained in neurology at The Neurological Institute of New York at Columbia...


James W. Stark, MD

Attending Neurologist

Dr. James W. Stark is a board-certified neurologist at the IMSMP. He received his bachelor's degree with distinction from Boston University and completed medical school at the Albert Einstein College of Medicine. Originally from New York, he continued at Einstein for his neurology residency training and was designated a chief resident of neurology during his final year. Dr. Stark then...


Deneb R. Bates, ND

Naturopathic Doctor

Dr. Bates is a Naturopathic Doctor who provides a knowledgeable holistic approach to the care of people living with Multiple Sclerosis. She specializes in natural treatment options for improving wellness, such as nutrition and botanical medicine, and believes in empowering patients to take positive actions for their own health and wellbeing. Dr. Bates received a Bachelor of Science from...


Stephen Kanter, PT, DPT, ATC

Supervisor, Rehabilitation Services

Dr. Stephen Kanter is a licensed physical therapist in New York and New Jersey. He was hired as the Supervisor of Rehabilitation Services in April 2008 after spending the previous five years as a homecare specialist, working primarily with patients with Multiple Sclerosis and patients with balance, gait, and endurance impairments.  Dr. Kanter has been a consultant...


Douglas S. Cohen, MD

Attending Neurosurgeon

Dr. Douglas Cohen is a board-certified neurosurgeon who has been associated with the center since 1998. Dr. Cohen completed undergraduate work at Cornell University before attending Harvard Medical School. He completed his residency in neurosurgery at Columbia Presbyterian Medical Center and was chief resident during his final year. Included among his many appointments is...


Gabriel Sara, MD

Attending Hematology/Oncology

Dr. Gabriel Sara is an Assistant Clinical Professor of Medicine at Columbia University who specializes in Hematology/Oncology. Prior to completing heme/onc fellowships at Columbia and Roosevelt Hospitals, Dr. Sara did internal medicine residency at The Brooklyn Hospital and medical school at French Medical School of Beirut. Dr. Sara has been with the center since 2003. He is a...


Lisa Dabney, MD

Attending Urogynecologist

Dr. Lisa Dabney is board-certified by the American Board of Obstetrics and Gynecology. At the IMSMP, she practices urogynecology with an emphasis on sexual dysfunction among patients with multiple sclerosis. She completed medical school at University of California at Los Angeles and residency training at Beth Israel Deaconess Medical Center/Harvard Medical...


Elizabeth Woods, PT, DPT, MSCS

Physical Therapist

Elizabeth Woods received her Bachelor's degree in Rehabilitation Science and Master's degree in Physical Therapy from Northeastern University with her clinical focus on neurologic and pediatric rehabilitation. She is a licensed physical therapist in both...