Individual provider · Type 1 NPI

Sean William Marquis, MD

Emergency Medicine Physician · Janesville, WI

NPI number 1053554089 Active

Practice location

1000 Mineral Point Ave
Janesville, WI 53548-2940

Call (608) 756-6611 Map

Fax (608) 756-6177

Mailing address

29624 Network Pl
Chicago, IL 60673-1296

Specialties and licenses

TaxonomyCodeLicense
Emergency Medicine Physician Primary 207P00000X46924-20 (WI)
Emergency Medicine Physician 207P00000X4301099517 (MI)
Emergency Medicine Physician 207P00000X036132727 (IL)
Emergency Medicine Physician 207P00000X35097788 (OH)

Emergency Medicine Physician: An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in respo…

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About NPI 1053554089

Sean William Marquis, MD's National Provider Identifier is 1053554089, issued on Apr 7, 2009. The primary taxonomy on file is Emergency Medicine Physician (207P00000X), and the practice location is in Janesville, WI. The record was last updated on Apr 16, 2026.