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William Chang, DO


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Conditions Treated Lung Cancer Pleural Effusions

specialties & services

  • Bio & Insurance Information

    Dr. William Chang is a pulmonologist from San Juan Capistrano, California. He received his medical diploma from the Michigan State University College of Osteopathic Medicine. He continued his formative path with a residency in internal medicine at the Loma Linda University and a fellowship in pulmonary disease and critical care medicine at the same institution. Dr. Chang’s specialty is pulmonary disease and he is sub-specialized in general pulmonary medicine, critical care medicine, and asthma and COPD. Dr. Chang is board certified in internal medicine and critical care medicine. He currently collaborates with Mission Hospital and the Saddleback Memorial Medical Center.

  • Education & Training


    Michigan State University College of Osteopathic Medicine

    Medical School


    Loma Linda University



    Loma Linda University


  • Board Certifications

    American Board of Internal Medicine

    American Board of Internal Medicine - Critical Care Medicine

  • Hospital & Practice

    Mission Hospital

    Languages: English/Spanish

    (949) 364-1400

    27700 Medical Center Rd

    Mission Viejo, California 92691

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    Saddleback Memorial Medical Center

    Languages: English/Spanish

    (949) 837-4500

    24451 Health Center Dr

    Laguna Hills, California 92653

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