MediFind found 636 doctor with experience in Irregular Sleep-Wake Syndrome. Of these, 458 are Experienced, 171 are Advanced and 6 are Distinguished.
Comprehensive Sleep Care Center
Sean Rotolo is a Sleep Medicine provider in Lansdowne, Virginia. Dr. Rotolo is rated as a Distinguished provider by MediFind in the treatment of Irregular Sleep-Wake Syndrome. His top areas of expertise are Obstructive Sleep Apnea, Irregular Sleep-Wake Syndrome, Insomnia, and Central Sleep Apnea.
Northshore Integrated Pain Center-Glenview
Thomas Freedom is a Sleep Medicine provider in Glenview, Illinois. Dr. Freedom is rated as a Distinguished provider by MediFind in the treatment of Irregular Sleep-Wake Syndrome. His top areas of expertise are Restless Legs Syndrome, Obstructive Sleep Apnea, Migraine, and Narcolepsy.
Cascadia Health
Andrea Matsumura is a Sleep Medicine provider in Portland, Oregon. Dr. Matsumura is rated as an Advanced provider by MediFind in the treatment of Irregular Sleep-Wake Syndrome. Her top areas of expertise are Obstructive Sleep Apnea, Irregular Sleep-Wake Syndrome, Drowsiness, and Excessive Daytime Sleepiness. Dr. Matsumura is currently accepting new patients.
Cleveland Clinic Main Campus
Preeti Devnani is a Sleep Medicine provider in Cleveland, Ohio. Dr. Devnani is rated as an Advanced provider by MediFind in the treatment of Irregular Sleep-Wake Syndrome. Her top areas of expertise are Obstructive Sleep Apnea, Irregular Sleep-Wake Syndrome, Restless Legs Syndrome, and Drowsiness.
Corewell Health Sleep Disorders Clinic - 4100 Lake Dr SE
Kelly Waters is a Sleep Medicine provider in Grand Rapids, Michigan. Dr. Waters has been practicing medicine for over 17 years and is rated as an Advanced provider by MediFind in the treatment of Irregular Sleep-Wake Syndrome. Her top areas of expertise are Obstructive Sleep Apnea, Insomnia, Irregular Sleep-Wake Syndrome, and Central Sleep Apnea. Dr. Waters is currently accepting new patients.
Piedmont Physicians Pulmonary And Sleep Medicine Buckhead
Paul Zolty, M.D., earned his medical degree from the University of Witwatersrand in Johannesburg, South Africa. He completed his residency at the Mt. Sinai Medical Center. Prior to joining Piedmont Physicians Georgia Lung, Dr. Zolty was in practice with Georgia Lung Associates. He is a member of the American Sleep Disorders Association as well as the American College of Chest Physicians. He has special interests and expertise in all aspects of sleep medicine and pulmonary medicine. Dr. Zolty has particular and active interest and expertise in the following areas of sleep: sleep and cardiovascular disease, obstructive sleep apnea, and diseases and abnormal sleep behavior. Dr. Zolty is highly regarded by his colleagues and patients. He is described as having a great sense of humor and enjoys a good laugh with his patients. He is approachable and down to earth and uncompromising in his caring for his patients. Dr. Zolty welcomes new patients and accepts most insurance plans. Dr. Zolty is rated as an Advanced provider by MediFind in the treatment of Irregular Sleep-Wake Syndrome. His top areas of expertise are Obstructive Sleep Apnea, Central Sleep Apnea, Restless Legs Syndrome, Drowsiness, and Endoscopy.
Ohio State Pulmonary Testing In Martha Morehouse Outpatient Care
Nitin Bhatt is a Sleep Medicine provider in Columbus,, Ohio. Dr. Bhatt is rated as an Advanced provider by MediFind in the treatment of Irregular Sleep-Wake Syndrome. His top areas of expertise are Acute Interstitial Pneumonia, Interstitial Lung Disease, Sarcoidosis, Lung Metastases, and Gastrostomy.
Amer Khan is a Sleep Medicine provider in Roseville, California. Dr. Khan is rated as an Advanced provider by MediFind in the treatment of Irregular Sleep-Wake Syndrome. His top areas of expertise are Obstructive Sleep Apnea, Insomnia, Central Sleep Apnea, and Irregular Sleep-Wake Syndrome. Dr. Khan is currently accepting new patients.
Akron General Health And Wellness Center, Bath
William Novak is a Sleep Medicine provider in Akron, Ohio. Dr. Novak has been practicing medicine for over 30 years and is rated as an Advanced provider by MediFind in the treatment of Irregular Sleep-Wake Syndrome. His top areas of expertise are Obstructive Sleep Apnea, Restless Legs Syndrome, Irregular Sleep-Wake Syndrome, and REM Behavior Disorder.
Sleep Disorders Center - Walnut Towers 9th Street
Dimitri Markov is a Sleep Medicine specialist and a Psychiatrist in Philadelphia, Pennsylvania. Dr. Markov is rated as an Advanced provider by MediFind in the treatment of Irregular Sleep-Wake Syndrome. His top areas of expertise are Excessive Daytime Sleepiness, Drowsiness, Obstructive Sleep Apnea, and Irregular Sleep-Wake Syndrome. Dr. Markov is currently accepting new patients.
Piedmont Physicians Pulmonary And Sleep Medicine Marietta
Samuel Szumstein, M.D., earned his medical degree from Universidad Central de Venezuela in Caracas, Venezuela. He completed his residency at Albert Einstein College of Medicine. He completed his pulmonary, sleep and critical care medicine fellowships at the University of Pittsburgh Medical Center. Prior to joining Piedmont Physicians, Dr. Szumstein was in practice with Georgia Lung Associates. Previous to that, he was an assistant professor at the University of Virginia and helped train residents and worked as a staff physician at Salem Veterans Affairs Medical Center in Salem, Va. He is board certified in pulmonary diseases, critical care medicine and sleep medicine. In his spare time, Dr. Szumstein enjoys spending time with his family, while traveling, hitting the slopes, riding jet skis, watching sports and listening to a wide range of music. Dr. Szumstein welcomes new patients and accepts most insurance plans. Dr. Szumstein is rated as an Advanced provider by MediFind in the treatment of Irregular Sleep-Wake Syndrome. His top areas of expertise are Obstructive Sleep Apnea, Lung Metastases, Excessive Daytime Sleepiness, and Irregular Sleep-Wake Syndrome.
Trinity Clinic
Peter Obesso is a Pediatrics specialist and a Sleep Medicine provider in Tyler, Texas. Dr. Obesso has been practicing medicine for over 17 years and is rated as an Advanced provider by MediFind in the treatment of Irregular Sleep-Wake Syndrome. His top areas of expertise are Obstructive Sleep Apnea, Central Sleep Apnea, Periodic Limb Movement Disorder, and REM Behavior Disorder.
Piedmont Physicians Pulmonary And Sleep Medicine Austell
Aris Iatridis, M.D., earned his medical degree from the Medical College of Virginia in Richmond, Va. He completed his residency at the University of Minnesota. He received his undergraduate degree in biology from the College of William and Mary in Williamsburg, Va. Prior to joining Piedmont Physicians, Dr. Iatridis was in practice with Georgia Lung Associates. He holds board certifications in sleep medicine, pulmonary disease and internal medicine.Dr. Iatridis is described as inquisitive and passionate about the practice of medicine. He is considered to be efficient, accurate and focused with regard to patient care. Dr. Iatridis is hard working and is well-liked by his fellow physicians and patients. Dr. Iatridis is an expert on sleep disorders in the transportation industry.In his spare time, Dr. Iatridis enjoys traveling, history and antique maps and books. Dr. Iatridis welcomes new patients and accepts most insurance plans. Dr. Iatridis is rated as an Advanced provider by MediFind in the treatment of Irregular Sleep-Wake Syndrome. His top areas of expertise are Obstructive Sleep Apnea, Periodic Limb Movement Disorder, Idiopathic Hypersomnia, and Excessive Daytime Sleepiness.
San Carlos Center
Michelle Primeau is a Sleep Medicine provider in San Carlos, California. Dr. Primeau is rated as an Advanced provider by MediFind in the treatment of Irregular Sleep-Wake Syndrome. Her top areas of expertise are Obstructive Sleep Apnea, Insomnia, Irregular Sleep-Wake Syndrome, and Excessive Daytime Sleepiness. Dr. Primeau is currently accepting new patients.
Cleveland Clinic Main Campus
Winnie Pao is a Sleep Medicine provider in Cleveland, Ohio. Dr. Pao has been practicing medicine for over 36 years and is rated as an Advanced provider by MediFind in the treatment of Irregular Sleep-Wake Syndrome. Her top areas of expertise are Obstructive Sleep Apnea, REM Behavior Disorder, Irregular Sleep-Wake Syndrome, and Drowsiness.
Family Health Center, Stuart
Christopher Pugh is a Sleep Medicine provider in Stuart, Florida. Dr. Pugh is rated as an Advanced provider by MediFind in the treatment of Irregular Sleep-Wake Syndrome. His top areas of expertise are Obstructive Sleep Apnea, Emphysema, Lung Nodules, and Irregular Sleep-Wake Syndrome.
Piedmont Physicians Pulmonary And Sleep Medicine Jasper
Nagamalar Raju, MD received her medical degree and completed her internship at Coimbatore Medical College in Coimbatore, India. She completed the residency program at Stanley Medical College in Chennai, India, and at Geisinger Medical Center in Danville, Pennsylvania, USA. Additionally, she completed a fellowship in sleep medicine at Temple University Hospital in Philadelphia, Pennsylvania.Dr. Raju is board certified in Internal medicine and Sleep Medicine, and a member of American College of Physicians, American Association of Sleep Medicine and National Sleep foundation. She specializes in obesity medicine and is dedicated to the comprehensive care of patients with obesity.In her spare time, she enjoys spending time with her husband, son and daughter.Dr. Raju accepts new patients and see all sleep patients including pediatric patients age 17 and above.She welcomes most major insurance plans. Dr. Raju is rated as an Advanced provider by MediFind in the treatment of Irregular Sleep-Wake Syndrome. Her top areas of expertise are Obstructive Sleep Apnea, Periodic Limb Movement Disorder, Insomnia, and Restless Legs Syndrome.
Cleveland Clinic Main Campus
Michael Saribalas is a Sleep Medicine provider in Cleveland, Ohio. Dr. Saribalas has been practicing medicine for over 41 years and is rated as an Advanced provider by MediFind in the treatment of Irregular Sleep-Wake Syndrome. His top areas of expertise are Obstructive Sleep Apnea, Restless Legs Syndrome, Schizoaffective Disorder, and Drowsiness.
Trinity Clinic
Sherri Pas is a Pediatrics specialist and a Sleep Medicine provider in Tyler, Texas. Dr. Pas is rated as an Advanced provider by MediFind in the treatment of Irregular Sleep-Wake Syndrome. Her top areas of expertise are Obstructive Sleep Apnea, Periodic Limb Movement Disorder, Excessive Daytime Sleepiness, and Drowsiness.
Office
R Sangal is a Sleep Medicine provider in Sterling Heights, Michigan. Dr. Sangal has been practicing medicine for over 48 years and is rated as an Advanced provider by MediFind in the treatment of Irregular Sleep-Wake Syndrome. His top areas of expertise are Excessive Daytime Sleepiness, Obstructive Sleep Apnea, Drowsiness, and Narcolepsy.
Last Updated: 01/09/2026
















