Individual provider · Type 1 NPI

Marianna V. Sieracki, PA-C

Physician Assistant · Fond Du Lac, WI

NPI number 1659786374 Active

Practice location

430 E Division St
Fond Du Lac, WI 54935-4560

Call (920) 929-2300 Map

Mailing address

3 Neenah Ctr
Neenah, WI 54956-3070

Other practice locations

  • 2400 E Capitol Dr, Appleton, WI 54911-8728 · (920) 731-4101
  • 250 W 6th Ave, Oshkosh, WI 54902-5910 · (920) 831-5050

Specialties and licenses

TaxonomyCodeLicense
Physician Assistant Primary 363A00000X3334 (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 1659786374

Marianna V. Sieracki, PA-C's National Provider Identifier is 1659786374, issued on Jun 23, 2014. The primary taxonomy on file is Physician Assistant (363A00000X), and the practice location is in Fond Du Lac, WI. The record was last updated on Jun 10, 2026.