John S Halsey, MD is a gastroenterology internal medicine in Mount Vernon, WA. The provider is an internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs. John S Halsey, MD NPI is 1417944463. The provider is registered as an individual entity type.
The NPPES NPI record indicates the provider is a male.
The provider's business location address is:
1400 E KINCAID ST
MOUNT VERNON, WA
ZIP 98274-127
Phone: (360) 428-2500
Fax: (360) 428-6485
The enumeration date for this NPI number is 10/4/2005 and was last updated on 7/8/2007.