Our physician is a board-certified sleep specialist, dedicated to identifying and providing treatment recommendations for sleep disorders by working with patients and their referring physicians in treating sleep disorders.

Alex. Clerk, M.D.


Dr. Clerk has over 45 years of experience in the practice of clinical medicine in the private and academic sectors. He is a Diplomate of the American Board of Psychiatry and Neurology, Diplomate American Board of Sleep Medicine and a Fellow of the American Academy of Sleep Medicine.

He is a graduate of the University of Ghana Medical School and also trained at Loma Linda University where he did a residency in psychiatry. He was Attending Physician and also Director of the Outpatient Psychiatric Clinic at Loma Linda VA Hospital.

After Clinical and Research Fellowship training at Stanford University, he became Director of Stanford Sleep Disorders Clinic where he was also Clinical Associate Professor and Attending Physician. 

He is now retired from Stanford University but still works as Director of Sleep Medicine Services at O'Connor Health Center, in San Jose, CA. He has published many scientific articles and book chapters.

Dr. Clerk was educated at the University of Ghana, Loma Linda University School of Medicine, and Stanford University School of Medicine.

He was the director of Stanford Sleep Disorders Clinic from 1990 to 1998. He is currently Director, Sleep Medicine Services at O'Connor Health Center, San Jose CA.

Read more about Dr. Clerk on his Wikipedia page: 


Meet Our Specialist

Dr. Alex A.Clerk is the most trusted Sleep Specialist in The Bay Area! For Over 20 Years!


Request an Appointment Today!

Copyright © SleepMS All rights reserved.


O'Connor Health Center 1
455 O'Connor Drive, Suite 110 
San Jose, CA 95128

Contact Us

• Office: (408) 295-4532

• Fax: (408) 295-4738
• E-mail: admin@sleepmsinc.com

• Patient Portal: https://sleepms.mymedaccess.com

Copyright © 2020

AASM SleepTM © Used with Permission
ResMed © 2020 Used with Permission

UpDox © 2020 Used with Permission