Internal Medicine, Gastroenterology in MOUNT VERNON, WA
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John S Halsey is a physician with expertise in Internal Medicine and Gastroenterology serving patients in Mount Vernon, WA.
Generated from public NPI Registry data only. Not independently verified — confirm credentials directly with the practice.
JOHN S HALSEY specializes in Internal Medicine, Gastroenterology.
JOHN S HALSEY practices in MOUNT VERNON, WA.
JOHN S HALSEY's NPI number is 1417944463.