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    Dr. Mark S. Regan, MD

    Pulmonary Critical Care Medicine

    • (920) 568-5334

    Dr. Regan's Overview

    Dr. Regan graduated from the University of Illinois, Chicago College of Medicine in 1990. He works in Fort Atkinson, WI and specializes in Pulmonary Critical Care Medicine. Dr. Regan is affiliated with Fort Memorial Hospital.

    Dr. Regan's Experience

    Years in Practice: 26

    Procedures Performed by Dr. Regan

    Dr. Regan's Specialties

    Pulmonary Critical Care Medicine

    Dr. Regan's Education & Training

    Medical School: University of Illinois, Chicago College of Medicine; Graduated 1990

    Dr. Regan's Rating

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    Overall Rating


    • Explains conditions & treatments
    • Takes time to answer my questions
    • Provides follow-up as needed
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    Dr. Regan'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
    • CIGNA Open Access Plus
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    Dr. Regan's Office Information & Appointments

    Office Locations

    Fort Medical Group
    Fort Healthcare Specialty Clinic

    611 Sherman Ave E
    Fort Atkinson, WI 53538
    (920) 568-5334


    Office Hours and Information

    Fax: (920) 568-6050

    Practice Website:

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: Yes

    Monday 8:00 AM - 4:00 PM
    Tuesday 8:00 AM - 4:00 PM
    Wednesday 8:00 AM - 4:00 PM
    Thursday 8:00 AM - 4:00 PM
    Friday 8:00 AM - 4:00 PM
    Saturday Closed
    Sunday Closed

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    Dr. Regan's Hospital Affiliations

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