Individual provider · Type 1 NPI

Matthew S. Bay, P.A.

Physician Assistant · Oshkosh, WI

NPI number 1033359401 Active

Practice location

855 N Westhaven Dr
Oshkosh, WI 54904-7668

Call (920) 303-8700 Map

Fax (920) 456-5901

Mailing address

PO Box 735044
Chicago, IL 60673-5044

Other practice locations

  • 2000 E Milestone Dr, Appleton, WI 54913-6701 · (920) 731-8131

Specialties and licenses

TaxonomyCodeLicense
Physician Assistant Primary 363A00000X2387 (WI)
Surgical Physician Assistant 363AS0400X2387-23 (WI)

Physician Assistant: A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, orde…

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About NPI 1033359401

Matthew S. Bay, P.A.'s National Provider Identifier is 1033359401, issued on Feb 25, 2009. The primary taxonomy on file is Physician Assistant (363A00000X), and the practice location is in Oshkosh, WI. The record was last updated on Sep 15, 2026.