William Sim, MD

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11480 Brookshire Ave Ste 200
Downey, CA 90241

Dr. William Sim, MD, is a skilled physician based in Downey, California, with an M.D. degree from Stanford University School of Medicine. He has completed his Internship and Residency at UCLA, showcasing his extensive training and expertise in the medical field.

Additionally, Dr. Sim is fluent in Korean, allowing him to serve a diverse patient population effectively. His commitment to patient care is reflected in his collaboration with the Frischer Medical Group.

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Reviews

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4.04 reviews
Weezey S.
8/1/2022

Dr. Sim is one of a kind. He has been my primary care physician since 2006 and is my families PCP as well. He has incredible bedside manner and a level of knowledge and expertise that is...

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Amit P.
8/12/2023

Terrible office Terrible physician Office unresponsive Physician does not know what he's doing I have been waiting for authorizations for months. He doesn't do it. He doesn't know what he's...

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Magaly F.
4/12/2022

Always awesome service and sense of urgency. Dr. Sim is great and knows what he is talking about

Jean S.
7/16/2019

Dr. Sim has been my primary care physician since the beginning of 2019. He is everything a doctor should be--he listens to the patient and follows through with recommendations and treatment. In...

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