Reviews reflect patients' level of satisfaction with the care they received from this provider. Dr. John Sum xhas an overall rating of 4.8.
Dr. John Sum, MD is a Doctor primarily located in San Jose, CA. He has 30 years of experience. His specialties include Child Neurology and Neurology. Dr. Sum is affiliated with Santa Clara Valley Medical Center. He speaks English.
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Dr. John Sum has the following 1 area of expertise and 2 specialties:
Stanford University School Of Medicine, 1986