Individual provider · Type 1 NPI

Laurens P. Janssens, MD

Gastroenterology Physician · Seattle, WA

NPI number 1942707641 Active

Practice location

1100 9th Ave
Seattle, WA 98101-2756

Fax (206) 341-1405

Mailing address

PO Box 741515
Los Angeles, CA 90074-1515

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician 207R00000X66493 (MN)
Gastroenterology Physician Primary 207RG0100XMD61673798 (WA)
Internal Medicine Physician 207R00000X29581 (MN)
Gastroenterology Physician 207RG0100X66493 (MN)
Gastroenterology Physician 207RG0100X036168992 (IL)

Gastroenterology Physician: 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.

1,153 other providers at this address

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About NPI 1942707641

Laurens P. Janssens, MD's National Provider Identifier is 1942707641, issued on Apr 9, 2018. The primary taxonomy on file is Gastroenterology Physician (207RG0100X), and the practice location is in Seattle, WA. The record was last updated on Sep 24, 2025.