Skip to content

    Physician Directory

    Find a Doctor

    Douglas P. Duffy, MD


    • (715) 387-5345

    Dr. Duffy's Overview

    Dr. Duffy graduated from the Michigan State University College of Human Medicine in 1973. He works in Marshfield, WI and specializes in Nephrology. Dr. Duffy is affiliated with Ministry St Josephs Hospital.

    Dr. Duffy's Experience

    Years in Practice: 44

    Procedures Performed by Dr. Duffy

    Dr. Duffy's Specialties


    Dr. Duffy's Education & Training

    Medical School: Michigan State University College of Human Medicine; Graduated 1973

    Dr. Duffy's Rating

    Rate This Doctor

    Overall Rating


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

    Dr. Duffy's Accepted Insurance

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

    • Aetna Choice POS II
    • Aetna Managed Choice POS Open Access
    • Aetna Signature Administrators PPO
    • Anthem Blue Access PPO
    • Anthem Blue Preferred HMO
    • Anthem Blue Preferred Plus POS
    • BCBS Blue Card PPO
    • First Health PPO
    • Multiplan PPO
    • View More

    Dr. Duffy's Office Information & Appointments

    Office Locations

    Marshfield Clinic
    Marshfield Clinic Nephrology

    1000 N Oak Ave
    Marshfield, WI 54449
    (715) 387-5345


    Office Hours and Information

    Fax: (715) 387-5528

    Practice Website:

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: Yes

    Not Available

    Other Physicians in Dr. Duffy's Practice

    Dr. Duffy's Hospital Affiliations

    Office Locations

    Other Nephrologists Near Marshfield, WI

    View More Nephrologists