David C. Chang MD

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Accepting New Patients

Board Certification

American Board of Internal Medicine; American Board of Sleep Medicine


Dr. Chang earned his medical degree from Indiana University School of Medicine. He completed his internship and residency in internal medicine, serving as chief medical resident, at Pennsylvania Hospital in Philadelphia. He went on to complete a fellowship in sleep medicine at Dartmouth Hitchcock Medical Center.

Special Interests

Dr. Chang’s practice includes all areas of sleep medicine with special interest in accurately diagnosing sleep disordered breathing with long term management and follow-up care.

Practice Philosophy

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



Helping the Sleepless in Seattle - King 5 Evening Magazine

Sleep medicine specialist Dr. David Chang and family medicine physician Dr. Kristen Johnson appeared on King 5’s Evening Magazine to discuss successful treatmentfor sleep apnea.