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    Dr. Klaas's Overview

    Dr. Klaas graduated from the Creighton University School of Medicine in 1985. He works in Waukesha, WI and specializes in Pulmonary Medicine and Critical Care Medicine. Dr. Klaas is affiliated with Oconomowoc Memorial Hospital and Waukesha Memorial Hospital.

    Dr. Klaas's Experience

    Years in Practice: 32

    Procedures Performed by Dr. Klaas

    Dr. Klaas's Specialties

    Pulmonary Medicine, Critical Care Medicine

    Dr. Klaas's Education & Training

    Medical School: Creighton University School of Medicine; Graduated 1985

    Dr. Klaas'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. Klaas'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
    • Anthem WI Blue Priority X Indiv DirectAccess
    • BCBS Blue Card PPO
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    Dr. Klaas's Office Information & Appointments

    Office Locations

    Waukesha Memorial Hospital Internal Medicine

    725 American Ave
    Waukesha, WI 53188
    (262) 928-2391


    Office Hours and Information

    Fax: (262) 928-2718

    Practice Website: Not Available

    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. Klaas's Hospital Affiliations

    Office Locations