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28 providers
Availability last updated 07/22/2026
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.
Dr. Erica Chen, MD
Allergist
1250 S. Sunset Ave
Suite 340
West Covina, CA 91790
Marta Sarmiento, MD
Pediatrician
725 W. La Veta Ave
Ste 240
Orange, CA 92868
Dr. Romit Kar, a distinguished physician renowned for his commitment to patient care, has been honored with the prestigious Orange County Physician of Excellence award from 2020 to 2025. He is double boarded in pediatrics and Obesity medicine. With a robust background in Pediatrics and a passion for promoting holistic health, Dr. Kar is now embarking on an exciting new venture: the launch of a comprehensive weight loss clinic. This innovative clinic aims to empower individuals on their weight loss journeys through personalized plans, nutritional counseling, and supportive community resources, all grounded in Dr. Kar's evidence-based approach to health and wellness. His dedication to improving lives and fostering sustainable change sets the stage for a transformative experience for his patients.
Romit Kar, MD
Pediatrician
355 Placentia Ave,
Suite 301
Newport Beach, CA 92663
Dr. Kathy Zelken is returning as an aesthetic medicine provider after a hiatus since the birth of her daughters. She has served as the medical advisor of the Zelken Institute for Aesthetic Medicine since it was established in 2016. She has worked tirelessly in the background to ensure the highest level of excellence and quality in all aspects of patient care. She has had a keen eye for artistry since childhood, starting from being a classically trained artist. She graduated summa cum laude from the University of California Berkeley with a major in Molecular and Cell Biology and a minor in Art History. During medical school at the University of Texas Southwestern, she published papers with world-renowned plastic surgeon and former editor-in-chief of Plastic and Reconstructive Surgery journal (the top journal in the field), Dr. Rod Rohrich. Her meticulous nature, extraordinary calmness, and friendly demeanor gained from close to a decade of working as a board-certified pediatrician in Orange County and doing some of the most delicate procedures on tiny babies will put the most anxious patients at ease. She is thrilled to help patients map out a comprehensive treatment plan to achieve their individual aesthetic goals and explain various nonsurgical procedures in detail. Her patients love her and seek her out for neuromodulator and facial contouring injections, skin rejuvenation, laser treatments, and so much more.
Kathy Zelken, MD
Pediatrician
3440 Irvine Ave
Newport Beach, CA 92660
Dr. Gerard Edralin, MD
Pediatrician
1037 W Ave N #202
Palmdale, CA 93551
Rashmi Jain, MD
Pediatrician
18 Endeavor
101
Irvine, CA 92618