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    William L. Matzner, MD

    Internal Medicine, Rheumatology

    Dr. Matzner's Overview

    Dr. Matzner graduated from the Baylor College of Medicine in 1984. He works in Simi Valley, CA and specializes in Internal Medicine and Rheumatology. Dr. Matzner is affiliated with Simi Valley Hospital.

    Dr. Matzner's Experience

    Years in Practice: 33

    Dr. Matzner's Specialties

    Internal Medicine, Rheumatology

    Dr. Matzner's Education & Training

    Medical School: Baylor College of Medicine; Graduated 1984

    Dr. Matzner'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. Matzner'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 HMO Deductible Plan CA only
    • Aetna Managed Choice POS Open Access
    • Aetna Savings Plus of CA
    • Aetna Signature Administrators PPO
    • BC CA California Care Small Group HMO
    • BCBS Blue Card PPO
    • Blue Cross CA PPO Prudent Buyer Small Group
    • Blue Cross CA Advantage PPO Preferred DirectAccess Plus
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    Dr. Matzner's Office Information & Appointments

    Office Locations

    Reproductive Immunology Associates

    143 Parrot Ln
    Simi Valley, CA 93065
    (805) 578-7000


    Office Hours and Information

    Fax: (805) 578-7005

    Practice Website: Not Available

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: Yes

    Monday 9:00 AM - 5:00 PM
    Tuesday 9:00 AM - 5:00 PM
    Wednesday 9:00 AM - 5:00 PM
    Thursday 9:00 AM - 5:00 PM
    Friday 9:00 AM - 5:00 PM
    Saturday Closed
    Sunday Closed

    Other Physicians in Dr. Matzner's Practice

    • Not Available

    Dr. Matzner's Hospital Affiliations

    Office Locations