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Joseph Guarnaccia, MD

Assistant Clinical Professor; Consulting Neurologist and Research Physician, Yale Stress Center

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Joseph Guarnaccia, MD



Joseph Guarnaccia, MD, is a board-certified neurologist in practice for more than 30 years, having completed his residency at the Yale School of Medicine, Department of Neurology in 1993. He was Assistant Professor and Director of the Yale Multiple Sclerosis Treatment Program at Yale until 2000 when he left to establish two multiple sclerosis treatment centers in Derby, CT and Warwick, RI, which he continues to operate. Dr. Guarnaccia has collaborated with the Yale Stress Center on multiple projects including assessing the effects of mindfulness meditation to address insomnia in patients with multiple sclerosis, testing and development of cannabis compounds in the treatment of chronic pain in patients with and without multiple sclerosis, as well as those with opioid prescription use and misuse. He has also worked on Stress Center Studies involving several experimental and clinical outcomes such as stress biological effects on food reward, alcohol and drug craving, and in clinical trials of alcohol use disorder and substance use disorder treatments.

Education & Training

  • MD
    University of Oklahoma (1987)


  • Board Certification
    AB of Psychiatry and Neurology, Neurology (1995)
  • Board Certification
    AB of Internal Medicine, Internal Medicine (1990)

Departments & Organizations