Photo of David C. Chang

David C. Chang, MD

Sleep Medicine Practitioner

Sleep Medicine

Accepting New Patients


Professional Statement

I believe in actively listening to my patients and having enriching discussions concerning their health. Patient education is an integral part of my practice.

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Indiana University School of Medicine
medical school, 1995
Pennsylvania Hospital in Philadelphia
Dartmouth Hitchcock Medical Center

Board Certifications

American Board of Internal Medicine
Internal Medicine

Clinical Interests

  • Bedwetting
  • Bruxism
  • Cataplexy
  • Circadian Rhythm Disorder
  • Confusional Arousals
  • Daytime Sleepiness
  • Home Sleep Study
  • Narcolepsy
  • Nightmares
  • Obesity Hypoventilation Syndrome
  • Periodic Limb Movement Disorder
  • Polysomnography
  • Restless Legs Syndrome
  • Sleep Abnormalities
  • Sleep Apnea
  • Sleep Disorders
  • Sleep Paralysis
  • Sleep Phase Disorder
  • Sleep Related Hallucinations
  • Sleep Talking
  • Sleep-Related Eating Disorder
  • Snoring
  • Somnambulism
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  • English

Practice Locations

David C. Chang practices at two locations

The Polyclinic Broadway
The Polyclinic Northgate Plaza - Sleep Medicine
9709 3rd Avenue Northeast
Seattle, WA 98115
Affiliated Facilities
  • Swedish Cherry Hill
  • Swedish First Hill