Oscar John Ma is a Emergency Medicine Physician based in Portland, OR. Oscar John Ma practices in Portland, OR and has the professional credentials of MD. The NPI Number for Oscar John Ma is 1508828112 and holds a License No. MD27108 (Oregon).
The current practice location address for Oscar John Ma is 3181 Sw Sam Jackson Park Road, Ohsu, Portland, OR and can be reached out via phone at 503-494-7008 and via fax at 503-494-4997.
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