Ophthalmology in UNION CITY, CA
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John Kok-Sen Chan, M.D., is a physician specializing in ophthalmology. He is based in Union City, CA.
Generated from public NPI Registry data only. Not independently verified — confirm credentials directly with the practice.
JOHN KOK-SEN CHAN specializes in Ophthalmology.
JOHN KOK-SEN CHAN practices in UNION CITY, CA.
JOHN KOK-SEN CHAN's NPI number is 1609928837.