About OCA

Our Core Mission Statement

Care is...
Compassion.  Respect.  Personal. 

That is what we stand by. One patient at a time.
We are physician anesthesiologists dedicated to taking care of you and your loved ones. 

Your family is our family. 

Our group of more than 20 staff anesthesiologists are diplomats of the American Board of Anesthesiology. We have multiple fellowship-trained, TEE boarded cardiothoracic anesthesiologists and fellowship-trained interventional pain physicians.  Our board-certified physicians trained at world-renowned top-tiered programs.


Wynnson Tom, M.D. (Diplomate of the American Board of Anesthesiology) 
Dr. Tom is President of the group.  He graduated Summa Cum Laude with a Bachelor of Arts at U.C. Berkeley and completed his medical degree at University of California, San Francisco (U.C.S.F.).  He then trained at U.C. Irvine.  Dr. Tom helps medical professionals grow their practice and his interests lie in business management, marketing, and consulting.  He is currently the medical director of several medical centers.


At OCA we believe in providing the highest quality care for our patients, as well as the highest quality service for our surgeons and facilities.  We have an unparalleled commitment to professional competency, having adopted standards from published guidelines including those of the American Society of Anesthesiologists (ASA) and the American College of Surgeons (ACS).



OCA physicians are passionate about practicing medicine and have dedicated our lives to improving the lives of others. We are a group of ethical, caring, compassionate, and kind physicians who have built a group that fosters collegiality, embraces change, displays professional and ethical standards, and seeks new growth opportunities.



OCA physicians believe in treating every individual with respect, professionalism, and dignity.  We are dedicated to providing a safe environment where everyone is welcome and will have their wishes heard, as is reflected in the bedside manner we provide.  

​​​Contact Us

11022 Winner's Circle, Suite 200

Los Alamitos, CA 90720

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Fax: (949) 861-6975

Billing: (626)-639-6112 (Arpa Dilanchian / Abeo.com)

© 2016 by Orange Coast Anesthesia