Dr. Jonathan Warren

Thomas Freedom, MD, a sleep neurologist at Endeavor Health, provides comprehensive care for patients with sleep disorders such as narcolepsy, idiopathic hypersomnia and insomnia. With a background in both neurology and sleep medicine, he focuses on how sleep interacts with the broader context of a patient’s health. Dr. Freedom uses evidence-based tools and sleep lab diagnostics to guide treatment and improve quality of life through restful, restorative sleep. Dr. Freedom is highly rated in 10 conditions, according to our data. His top areas of expertise are Restless Legs Syndrome, Obstructive Sleep Apnea, Migraine, and Narcolepsy.

Phyllis Zee is a Sleep Medicine provider in Chicago, Illinois. Dr. Zee has been practicing medicine for over 43 years is highly rated in 7 conditions, according to our data. Her top areas of expertise are Obstructive Sleep Apnea, Excessive Daytime Sleepiness, Drowsiness, and Insomnia.

Mari Viola-Saltzman, DO, a neurologist and sleep medicine physician at Endeavor Health, provides expert care for a wide range of sleep and neurologic disorders. She treats conditions including sleep apnea, insomnia, restless leg syndrome, narcolepsy and parasomnias. Dr. Viola-Saltzman focuses on how sleep affects all areas of health and partners with patients to create solutions that are both evidence-based and personally meaningful. Dr. Viola is highly rated in 13 conditions, according to our data. Her top areas of expertise are Restless Legs Syndrome, Obstructive Sleep Apnea, Periodic Limb Movement Disorder, and Irregular Sleep-Wake Syndrome.