Our Doctors

William D. Grainger, MDWilliam D. Grainger, MD

A lifelong resident of Arizona, Dr. Grainger graduated from Coronado High School and completed his undergraduate education at Arizona State University. He graduated with honors from the University of Arizona College of Medicine in 1981. He then completed an internship in internal medicine and a residency in neurology at the Baylor College of Medicine. Dr. Grainger returned to Arizona in 1985 and joined Neurological Physicians of Arizona. Dr. Grainger is board certified in neurology and treats all neurologic disorders, although he specializes in the treatment of Multiple Sclerosis. He actively participates in neurology research and speaks to physicians and patients throughout the United States on Multiple Sclerosis and its treatment.


Dr. Catherine Craver KapoorCatherine Craver Kapoor, MD

Dr. Kapoor is a board-certified neurologist who has practiced in Arizona since 2001. Originally from New York state, she graduated from Cornell University and completed premedical studies at Columbia University. She attended medical school at the University of North Carolina at Chapel Hill, where she also completed her neurology residency and fellowship. She stayed on as a clinical instructor until her move to Arizona. Dr. Kapoor is experienced in the complete spectrum of general neurology, with particular interest in movement disorders, gait and balance disorders, neuromuscular disease, multiple sclerosis and epilepsy. Dr. Kapoor actively participates in clinical trials, recognizing the importance of advancing medical knowledge with the goal of optimizing care and treatment of neurological patients.


Jeffrey L. Shy, MDJeffrey L. Shy, MD

Dr. Shy was born in Springfield, a small town in central Ohio. He graduated Magna Cum Laude from Wittenberg University in 1986 with a Bachelor of Arts in Biology. He received his Doctor of Medicine degree from The Ohio State University College of Medicine in 1990. After graduation, he completed his residency in neurology at Walter Reed Army Medical Center in 1994 and practiced as a neurologist for four years at Fort Campbell, Kentucky. He is board certified in neurology by the American Board of Psychiatry and Neurology and is a member of the American Academy of Neurology. Dr. Shy moved to Arizona in 1998 and joined Neurological Physicians of Arizona the following year. Dr. Shy practices general neurology with a specialization in dementia, Alzheimer's and behavioral neurology. He is active in clinical research in those areas, as well.

Our Location

Gilbert, AZ

    Our office is located in GILBERT at the southwest corner of Guadalupe and Greenfield roads.

  • 726 N. Greenfield Road
    Suite 110
    Gilbert, AZ 85234
  • Phone: (480) 834-8885
  • Fax: (480) 844-7122

Map & Directions