Healthcare Provider Details

I. General information

NPI: 1033359401
Provider Name (Legal Business Name): MATTHEW S. BAY P.A.
Entity Type: Individual
Gender: Male
Sole Proprietor: N

II. Dates (important events)

Enumeration Date: 02/25/2009
Last Update Date: 08/04/2026
Certification Date: 08/04/2026
Deactivation Date:
Reactivation Date:

III. Provider practice location address

855 N WESTHAVEN DR
OSHKOSH WI
54904-7668
US

IV. Provider business mailing address

PO BOX 735044
CHICAGO IL
60673-5044
US

V. Phone/Fax

Practice location:
  • Phone: 920-303-8700
  • Fax: 920-456-5901
Mailing address:
  • Phone: 800-326-2250
  • Fax:

VI. Provider taxonomy

Scope of Practice (Provider specialty)

# 1
Primary TaxonomyY
Taxonomy Code363A00000X
TaxonomyPhysician Assistant
License Number2387
License Number StateWI
# 2
Primary TaxonomyN
Taxonomy Code363AS0400X
TaxonomySurgical Physician Assistant
License Number2387-23
License Number StateWI

VIII. Authorized Official

Name:
Title or Position:
Credential:
Phone: