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William C. Shiel M.D.

William C. Shiel M.D.

(949) 347-6044
Primary Specialties
  • Rheumatology
  • Affiliations
    Mission Heritage Medical Group
    Languages Spoken
    Primary Office
    26732 Crown Valley Pkwy., Suite 151
    Mission Viejo, CA 92691
    (949) 364-1647
    Web Page:

    Experience & Education

    Other Specialties/Certifications
    Fellow, American College of Physicians and Rheumatology
    Associate Clinical Professor of Medicine, University of California, Irvine
    Dr. Tom Dooley Society, University of Notre Dame Charter Member; Pre-Professional Studies Mentor 2005- present
    Medical School:
    St. Louis University, School of Medicine

    Veterans Administration Medical Center, Long Beach
    University of California, Irvine Medical Center

    Veterans Administration Medical Center, Long Beach
    University of California, Irvine Medical Center

    University of California, Irvine Medical Center 1984
    Veterans Administration Medical Center, Long Beach 1984
    Ranked as A Top Physician Orange County, California by Orange Coast Magazine, 2002 American Medical Association Physician's Recognition Award, 1985 American College of Physicians - Southern California Chapter, 1985 Research Award - Second Place First Place Winner, Annual Research Competition for Fellows: University of California Irvine, Long Beach VA Medical Center, Long Beach Memorial Medical Center

    Physician Bio

    Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology. He is a Fellow of the American Colleges of Physicians and Rheumatology.

    Dr. Shiel is in active practice in the field of rheumatology in south Orange County, California. He is currently an active Associate Clinical Professor of Medicine at University of California, Irvine. He has served as chairman of the Department of Internal Medicine at Mission Hospital Regional Medical Center. He was selected as one of the most respected doctors in Orange County California in a poll of more than 5,000 physicians in the county performed by the Washington D.C. based Center for the Study of Services as published in Orange Coast magazine in January 2000.

    Dr. Shiel has authored and served as a reviewer for numerous articles on subjects related to arthritis for prestigious peer-reviewed medical journals. He has co-edited a medical textbook. He is Co-Editor-In-Chief of the Webster's New World™ Medical Dictionary, Year 2000 First Edition and Year 2003 Second Edition. He has lectured in person and appeared on television and radio programs both for physicians and the community.

    He was a medical commentator for the national news broadcast of medical issues related to the death of Pope John Paul II, Fox News NYC, April, 2005. He has authored numerous expert medical-legal reviews. He is a contributor for questions for the American Board of Internal Medicine.

    He is a regular reviewer of board questions on behalf of the American Board of Rheumatology Subspecialty. He served on the Medical and Scientific Committee of the Arthritis Foundation, and is currently on the Medical Advisory Board of Lupus International. Dr. Shiel is proud to have served as Chief Editor for MedicineNet.com since he co-founded it in 1996.

    Click here to see Dr. Shiel introduce concepts of Rheumatoid Arthritis Treatment for WebMD

    Areas of Interest

    Board Certified Rheumatology, 1982

    Board Certified Internal Medicine, 1980

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