Patient Reviews

Reviews reflect patients' level of satisfaction with the care they received from this provider. Dr. Diana Koin xhas an overall rating of 5.0.


Dr. Diana Koin, MD is a Doctor primarily located in Portola Valley, CA. She has 42 years of experience. Dr. Koin is affiliated with Stanford Hospital and Clinics. She speaks English.


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Locations & Directions

4660 Alpine Rd
Portola Valley, CA 94028

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