Dr. Regine is a leader in the field of radiation oncology and a recognized expert in the areas of GI and CNS malignancies. He has served as a principal investigator for multiple NCI-sponsored clinical trials and his research has defined new standards of care for patients. As Executive Director of the Maryland Proton Treatment Center, he leads the first facility of its kind in the Baltimore-Washington, DC region – providing over 6,500 cancer patients to date with precise, "pencil-beam" technology to treat solid tumors.
Dr. Regine is co-inventor of the “GammaPod,” the first treatment system dedicated to the stereotactic radiation of early-stage breast cancer and is co-editor of “Principles and Practices of Stereotactic Radiosurgery,” the first comprehensive textbook of its kind.
Dr. Regine has earned numerous prestigious honors during his career. In 2016, he received the Entrepreneur of the Year Award from the University of Maryland, Baltimore. In 2019, he received a Lifetime Achievement Award from The Daily Record as part of the publication's Health Care Heroes honors. He has been named a "Best Doctor in America," “Best Doctor in Baltimore,” “Super Doctor,” and “Top 1% of Doctors” honoree by multiple organizations over the years.