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Yoon Hee A. Chang, MD

Patient Ratings

4.9 / 5 (Based on 161 Ratings)

Specialties:

Sleep Medicine

Call 425-899-4280

Yoon Hee A. Chang, MD is accepting new patients.

Telemedicine Visits Available

Conditions Treated

circadian rhythm disorders, excessive daytime sleepiness, excessive sleepiness, fatigue, hypersomnia, parasomnia disorders, restless leg syndrome, sleep apnea, sleep bruxism, sleep disordered breathing, sleep talking, bedwetting, daytime sleepiness, snoring, teeth grinding, sleep disorders, and obstructive sleep apnea (OSA)

Procedures Performed

multiple sleep latency test (MSLT), sleep study interpretation, BIPAP management, polysomnography, hypoglossal nerve stimulator (Inspire) management, CPAP titration study, home sleep apnea test, CPAP management, sleep study, and diagnostic polysomnography (DPSG)

Locations

Profile

Gender:

Female

Languages:

English

Interpretation Services Available

Honors, Awards, etc.

2025 Seattle Met "Top Doctors"

Board Certification

Board Certified in Sleep Medicine
Board Certified in Internal Medicine

Video

Dr. Yoon Hee Chang on Seattle Refined

Yoon Hee Chang

Medical School

Albert Einstein College of Medicine | New York, NY

Residency

Yale New Haven Hospital (internal medicine) | New Haven, CT

Fellowship

Hospital of the University of Pennsylvania (sleep medicine) | Philadelphia, PA Center for Sleep and Circadian Neurobiology at the University of Pennsylvania (sleep medicine research) | Philadelphia, PA

Internship

Yale New Haven Hospital (internal medicine) | New Haven, CT

Reviews

5.0
July 10, 2026
All is fine.
4.94
June 27, 2026
Dr. Chang went out of her way to provide a Nexus letter for OSA for VA disability.
5.0
May 26, 2026
Dr. Chang is the best doctor I've ever had in my life. She is caring, considerate, and took the time to actually listen to me and validate my health concerns.
5.0
April 15, 2026
I am very impressed with Dr Chang's ability to listen and understand what is influencing the health care issue discussed. She gave me some really good ideas about what to do. In the days after the visit, I realized just how insightful she is.
5.0
January 02, 2026
The provider was extremely professional and helpful and kind. She was courteous and had an excellent bedside manner.
5.0
December 30, 2025
This was my first time seeing Dr. Chang. I found her to be knowledgeable and very personable. She listened and responded in a helpful manner. We even laughed about some lighthearted comments I made.
5.0
December 10, 2025
We have recommended her several times.
5.0
November 21, 2025
Very professional
4.26
November 20, 2025
I would prefer the medical professional tell what they recommend. I wish that would be clear and recommend a plan based on their knowledge expertise.
5.0
November 19, 2025
Such thorough care received by this Dr.
5.0
October 05, 2025
Love Dr Chang! I'm an RN so really appreciate her knowledge and professionalism. Very personable also.
5.0
September 25, 2025
I was so Impressed with Dr Yoon Hee Chang! She spent a lot of time with me as a new patient and suggested some books to read about insomnia I am experiencing. I am going to recommend her to a friend.
5.0
August 22, 2025
Probably one of the best medical services I have ever encountered.
5.0
July 25, 2025
Dr. Chang was very knowledgeable, kind and discussed different options to assist with my sleep struggles.
5.0
April 15, 2025
Listens better than 90 percent and individualizes care. Very respectful and organized.
5.0
April 03, 2025
Dr. Chang is great. She even made good recommendations for other issues I am having that had nothing to do with the visit.
5.0
February 15, 2025
Exceptional patient care and understanding