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William W. Chang, DO
Practice accepting new patients.

William W. Chang, DO

(949) 443-4114
Primary Specialties
  • Pulmonology
    (Board Certified)
Secondary Specialties
  • Critical Care Medicine
  • Internal Medicine
Medical Groups & Affiliations
  • Mission Heritage Medical Group
  • Mission Hospital Affiliated Physicians
  • Paloma Medical Group
  • Additional Languages Spoken
    Mandarin Chinese, Taiwanese

Primary Office

30230 Rancho Viejo Rd.
Suite 200
San Juan Capistrano, CA 92675
(949) 443-4114
(949) 443-4150
Mon - Fri: 8 a.m. - 5 p.m.
Web Page:
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  • Medical School:
    Michigan State University - College of Osteopathic Med.
  • Internship:
    Loma Linda University Medical Center
  • Residency:
    Loma Linda University Medical Center
  • Fellowship:
    Loma Linda University Medical Center - 2006
  • Board Certified in Pulmonology


American Board of Internal Medicine

Areas of Interest

Evaluation, diagnosis, and coordinated care for cough and shortness of breath. Compassionate care of the critically ill.