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    Daniel J. Riordan, DO

    Internal Medicine

    • (262) 513-7000

    Dr. Riordan's Overview

    Dr. Riordan graduated from the A.T. Still University of Health Sciences/ Kirksville College of Osteopathic Medicine in 2003. He works in Muskego, WI and specializes in Internal Medicine. Dr. Riordan is affiliated with Oconomowoc Memorial Hospital.

    Dr. Riordan's Experience

    Years in Practice: 14

    Dr. Riordan's Specialties

    Internal Medicine

    Dr. Riordan's Education & Training

    Medical School: A.T. Still University of Health Sciences/ Kirksville College of Osteopathic Medicine; Graduated 2003

    Dr. Riordan's Rating

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    Overall Rating


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

    Dr. Riordan's Accepted Insurance

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

    • Aetna Choice POS II
    • Aetna HMO
    • Aetna Managed Choice POS
    • Aetna Managed Choice POS Open Access
    • Aetna Signature Administrators PPO
    • Anthem Blue Access PPO
    • Anthem Blue Preferred HMO
    • Anthem Blue Preferred Plus POS
    • Anthem WI Blue Priority X Indiv DirectAccess
    • Arise Health Plan Standard Network
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    Dr. Riordan's Office Information & Appointments

    Office Locations

    ProHealth Medical Group
    Prohealthcare Medical Group

    S69W15636 Janesville Rd
    Muskego, WI 53150
    (262) 513-7000


    Office Hours and Information

    Fax: (414) 422-2079

    Practice Website:

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: Yes

    Monday 8:00 AM - 7:00 PM
    Tuesday 8:00 AM - 5:00 PM
    Wednesday 8:00 AM - 7:00 PM
    Thursday 8:00 AM - 5:00 PM
    Friday 8:00 AM - 5:00 PM
    Saturday Closed
    Sunday Closed

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    Dr. Riordan's Hospital Affiliations

    Office Locations

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