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Mark S. Sugar, MD

Accepting New Patients
Allergy & Asthma Associates - Mission Viejo
27800 Medical Center Road, Suite 244
Mission Viejo, CA 92691
Speaks: English

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About Mark S. Sugar

“My interest in the field of allergy began in the early 1980s when the awakening field of immunology provided an understanding of the causes of many allergic diseases. I had previously had several years of training in family medicine and pediatrics in the US Air Force and in the US Public Health Services, but I wanted to enhance my knowledge of the exciting new field of immunology and allergy. I completed a fellowship in this specialty at UCLA in 1985 and opened an office in private practice in Orange County thereafter. I have been active in local and state allergy societies over the years and most recently have served as president of the California Society of Allergy and Immunology (2009). For 25 years I have been an associate clinical professor at UCI teaching residents and fellows in the department of allergy-immunology.

“My passion and inspiration have been practicing medicine and I continue to love the most important work I do, caring for patients of all ages with allergies and immune system disorders. My goals are always to understand my patients’ problems, find solutions to their often challenging allergic disorders and provide them with long-lasting relief of their symptoms so they can enjoy active, worry-free lives.”
Medical School

University of Maryland- Medical School


San Bernardino County Medical Center


Kaiser Foundation Hospital - Fontana


UCLA Medical Center

Board Certifications

  • American Board of Allergy and Immunology, Allergy and Immunology
Allergy & Asthma Associates - Mission Viejo
27800 Medical Center Road, Suite 244
Mission Viejo, CA 92691
Affiliated Locations

Mission Hospital, Laguna Beach
Mission Hospital, Mission Viejo