Melissa Siew, MD
Internist
668 N Coast Hwy
Laguna Beach, CA 92651
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116 providers
Availability last updated 10/23/2026
Melissa Siew, MD
Internist
668 N Coast Hwy
Laguna Beach, CA 92651
Erica Chen, MD, is a board-certified allergy and immunology specialist practicing at the Allergy and Asthma Specialist Doctors, Inc. location in West Covina, California. Her practice is centered around the treatment of allergic diseases, including nasal allergies and asthma.
Dr. Chen earned her medical degree from the Keck School of Medicine at the University of Southern California. Subsequently, she completed her combined internal medicine pediatric residency and allergy and immunology fellowship training at the Los Angeles County Hospital at the University of Southern California.
Dr. Chen is board certified by the American Board of Allergy and Immunology. She has contributed to multiple peer-reviewed scientific presentations and publications. She also holds numerous professional society memberships, including the American Academy of Allergy Asthma and Immunology and the American College of Allergy, Asthma and Immunology.
Dr. Chen is currently accepting new patients and looks forward to welcoming them to Allergy and Asthma Specialist Doctors, Inc.
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Dr. Erica Chen, MD
Allergist
1250 S. Sunset Ave
Suite 340
West Covina, CA 91790
Antonio Zamorano, DO
Family Physician
15115 Amar Rd
La Puente, CA 91744
Dariush Lavi, MD
Internist
1503 South Coast Drive
Ste 109
Costa Mesa, CA 92626
Roya Khodaie
Internist
2865 E Coast Hwy
Suite 100
Corona Del Mar, CA 92625
Ky Vu, MD
Internist
17150 Euclid St, Ste 200
Fountain Valley, CA 92708
Yu-Nan Hsu, DO
Internist
17150 Euclid St Ste 200
Fountain Valley, CA 92708
Anhtuan Nguyen, MD
Internist
14541 Brookhust St
Suite D2
Westminster, CA 92683
Jae Man Park
Internist
9535 Garden Grove Blvd
104
Garden Grove, CA 92844
Hieu N Tram, MD
Internist
15355 Brookhurst Street
102
Westminster, CA 92683
Andy Nguyen
Endocrinologist
9211 Bolsa Avenue, Suite 221
Westminster, CA 92683
I like to think of myself as a clinician and patient advocate, striving for quality patient care in a manner that will maintain the wellbeing of patients in the short as well as long term. In an ever-so-busy and changing medical field, I find the most important part of being a physician is being able to listen to the patient in order to address his/her needs. Whether it is acute or chronic medical concerns, being able to simply listen to the patient will allow for correct diagnosis and medical management. I pride myself in doing just that. Aside from being a physician, I am a family oriented individual and enjoy spending time with my lovely fiancé and big family.
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Dr. Razmik Thomassian, MD
Internist
1227 Buena Vista Street
Suite F
Duarte, CA 91010
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