Karen D. Cheng, M.D.

Karen D. Cheng, M.D.

Specialties: Neurology, Sleep disorders

Dr. Karen Cheng is board-certified in neurology and is an active member of the American Academy of Sleep Medicine, the American Academy of Neurology, and the California Sleep Society. Dr.Cheng is in private practice in Laguna Hills at the Saddleback Medical Tower and is a medical staff member of Saddleback Memorial Medical Center.

Dr. Cheng attended college at Stanford University , where she graduated with honors in 1999. While at Stanford, she studied neurobiology and dance. Subsequently, she obtained her medical degree at the Medical College of Virginia in 2003. She completed her internship and residency in neurology at UC Irvine during 2003 to 2007. During her training as a neurologist, she studied sleep disorders in patients with neuromuscular conditions.

Following her residency in neurology and completed a clinical fellowship in sleep medicine from 2007-2008 at Stanford University , which was the site of the very first sleep disorders clinic in the country. While at Stanford, she had the privilege of treating patients with a variety of sleep disorders, including obstructive sleep apnea, insomnia, narcolepsy, restless legs syndrome, and REM-sleep behavior disorder.
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Dr. Cheng's Private Practice:

24411 Health Center Dr #530
Laguna Hills, CA 92653

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Order a home sleep test (HST), in-center study, PAP device or replacement supplies online. We will contact your patient to schedule. Let us verify insurance and request authorization, if needed.

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Contact Us:

Advanced Sleep Medicine Services, Inc.
Corporate Office
17835 Ventura Blvd. Suite 300
Encino, CA 91316

Phone (877) 775-3377
Fax (877) 855-6227 
info@sleepdr.com

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About Us:

Our mission is to empower sufferers of sleep disorders, like sleep apnea, to lead more fulfilling lives by improving their sleep. We believe that by caring for and educating our patients and diagnosing and treating their sleep disorders we can help them achieve better health.

With 20 locations across California, we are the leading provider of in-center and in-home (HST) sleep studies, PAP therapeutic devices, and replacement PAP supplies. We are contracted with more than 300 medical groups and commercial health plans. We partner with independent physicians who are at the forefront of the field of sleep medicine and together we provide high-quality, affordable, result-oriented and patient-centric diagnostic and therapeutic sleep medicine services. We strive to make all our interactions with patients, referring physicians, coworkers, and others courteous, caring and professional and we consider each interaction with our patients as an opportunity to live up to our commitment to the highest standards of patient care. 

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© 2025 Advanced Sleep Medicine Services, Inc.

Original photos by Francisco Crow www.fc-images.net All rights reserved.
Our administrative offices AND sleep centers will be closed on Monday, September 5, 2016 in observance of the Labor Day holiday.