The Sleep Disorder Institute

Our mission is to increase public and professional awareness of sleep disorders and to provide comprehensive care in the field of Sleep Medicine.
Jack W. Horng, M.D. FCCP
Diplomate, American Board of Sleep Medicine
Diplomate A.B.I.M.
Subspecialty of Pulmonary Medicine
Subspecialty of Critical care Medicine
Benjamin G. Chang, M.D.
Diplomate A.B.I.M.
Subspecialty of Pulmonary Medicine
Subspecialty of Critical care Medicine
Subspecialty of Sleep Medicine
Jonathan Berg, MD
Diplomate: American Board of Internal Medicine
Subspecialy: Pulmonary Disease
Subspecialty: Critical Care Medicine

Dr. Jack Horng, Dr. Benjamin Chang and Dr. Jonathan Berg are all Board Certified Sleep Medicine specialists that evaluate and treat patients with sleep disorders. The most commonly treated disorder is obstructive sleep apnea (OSA) in which patients stop breathing during sleep. Present in 2-4% of the population, Obstructive Sleep Apnea is recognized as an important condition worsening hypertension, cardiovascular disease, diabetes, and behavioral disorders.  

Other disorders that are evaluated include (but are not limited to):

  • Snoring
  • Insomnia
  • Restless Leg Syndrome/Periodic Leg Movement Syndrome
  • Narcolepsy
  • R.E.M Behavior Disorder
  • Parasomnia/Sleep Walking & Talking
  • Circadian Rhythm Disorders
  • Shift Work Disorder                      

Internal Medicine
Our staff of eight Board Certified Internists, four Nurse Practitioners and a Physician Assistant is dedicated to providing comprehensive and up to date primary care and preventative medicine for adult men and women. Referrals to appropriate specialists are also provided.
Pulmonary Care
Our Staff of eight board certified Pulmonary Specialists is assisted by four licenced Respiratory Therapists. The office maintains an on-site chest x-ray and three state-of-the-art pulmonary laboratories that provide spirometry, plethysmography, diffusion capacity, airway resistance, oscillometry, and arterial blood gas analysis.
Sleep Services
We are affiliated with the Bon Secours Sleep disorder Institute at Good Samaritan Hospital as well as The Nyack Hospital Sleep Center. Services are offered several nights a week. Consultations and treatment of Sleep disorders are provided by our Board Certified Sleep physicians. We also initiate and manage treatment of sleep disorders including CPAP/BIPAP machines, oxygen, medications and other sleep aids.