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    Greta M. Kostac

    Family Medicine

    • (920) 907-7000

    Ms. Kostac's Overview

    Ms. Kostac works in Fond du Lac, WI and specializes in Family Medicine.

    Ms. Kostac's Experience

    Years in Practice: Not Available

    Ms. Kostac's Specialties

    Family Medicine

    Ms. Kostac's Education & Training

    Medical School: Not Available

    Ms. Kostac's Rating

    Rate This Doctor

    Overall Rating


    • Explains conditions & treatments
    • Takes time to answer my questions
    • Provides follow-up as needed
    • View All Ratings

    Ms. Kostac's Accepted Insurance

    Please verify insurance information directly with your provider's office as it may change frequently.

    • Not Available

    Ms. Kostac's Office Information & Appointments

    Office Locations

    Aurora Medical Group
    Aurora Health Center Multi Specialty

    210 Wisconsin American Dr
    Fond du Lac, WI 54937
    (920) 907-7000


    Office Hours and Information

    Fax: (920) 907-7021

    Practice Website:

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: Yes

    Monday 7:00 AM - 7:00 PM
    Tuesday 7:00 AM - 7:00 PM
    Wednesday 7:00 AM - 7:00 PM
    Thursday 7:00 AM - 7:00 PM
    Friday 7:00 AM - 7:00 PM
    Saturday 8:00 AM - 2:00 PM
    Sunday 8:00 AM - 12:00 PM

    Other Physicians in Ms. Kostac's Practice

    Ms. Kostac's Hospital Affiliations

    • Not Available

    Office Locations