Dr. John Kok-Sen Chan MD is a male Obstetrician & Gynecologist, has 12 years of experience and practices in Ophthalmology and Obstetrics & Gynecology.
A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
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- Currently 4 of 4 stars
The overall average patient rating of Dr. John Chan is Excellent.
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Specialties & Research
Dr. John Chan, MD is board certified in Ophthalmology.
He has special expertise in 1 Area, including Gyn Cancer Medical Oncology.
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Education & Awards
Dr. Chan graduated from New York Medical College, Valhalla.More Education & Awards
Dr. Chan has 6 hospital affiliations:
- Mills-Peninsula Health Services
- Kaiser Foundation Hospital - Hayward