Dr. O John Ma

served as President of the Professional Staff at OHSU Healthcare.

About Me

Between 2007 and 2019, Dr. O John Ma was Professor and Chair of Emergency Medicine at Oregon Health & Science University. Between 2011 to 2013, Dr. O John Ma served as President of the Professional Staff at OHSU Healthcare. The CEO and Co-Founder of Innovative, Disruptive, Emerging Applications in Emergency Medicine was Dr. O John Ma (IDEA-EM). Dr. O John Ma has edited 20 reference textbooks, including Ma and Mateer's Emergency Ultrasound and Tinitnalli's Emergency Medicine, which have been published in over ten languages. Dr. O John Ma's study has mostly focused on the use of ultrasound in the diagnosis of injuries in trauma patients. He has served on the American Board of Emergency Medicine and the Society for Academic Emergency Medicine Boards of Directors. He has received four Teacher of the Year awards, as well as the SAEM Excellence in Ultrasound Education Award in 2005.

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Dr. O John Ma Portfolio

Recent News

June 21, 2022

Dr. O John Ma – Top 10 restaurants in New York with the most movie history, according to movie fans

Dr. O John Ma Askes, Do you like movies but haven’t been to any of the city’s best restaurants yet? You are in luck. There are a lot of Instagram-worthy movie locations in New York, and both people who work in the movie business and tourists know where to find them. If you’ve seen a […]

Dr. O John Ma (6)
October 3, 2021

Dr. O John Ma on The World’s Finest Golf Courses

As a practicing physician, Dr. O. John Ma worked hard to squeeze golf into his busy schedule. As a retired physician, John Ma MD has found time to explore some of America’s finest golf courses. In this article, he’ll share impressions of some of those courses with you.   On the rugged coast of Oregon, […]

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