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John Han-Chic Chang, MD

Radiation Oncologist

Oklahoma Proton Center

(888) 847-2640

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Dr. John Chang is a recognized leader in the field of proton therapy, having recently served as the director of clinical research and education at Northwestern Medicine’s Proton Center in Chicago, Illinois and subsequently at Vanderbilt University Medical Center in Nashville, Tennessee. He is the principal investigator for numerous pediatric and adult proton therapy clinical trials, has been extensively published and serves as peer-review editor for two prominent industry publications.

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