Radiation Therapy Physicists

Robert C. Gregory, M.S., D.A.B.R.

Robert Gregory is a medical physicist and one of the founding members and part owner of INphysics, LLC. Robert has close to 25 years of experience and is certified by the American Board of Radiology in therapeutic radiologic physics.

Prior to INphysics, Robert was a medical physicist in the Indianapolis metropolitan area within large hospital networks. He has also served as a radiation safety officer on an NRC license and held chief medical physicist positions. Robert received his Master of Science degree in radiological medical physics from the University of Kentucky in Lexington, KY, and his bachelor’s degree in physics/math from Morehead State University in Morehead, KY. Robert is an approved therapy physicist and approved diagnostic & X-ray tube inspector in the state of Indiana.

Robert’s extensive experience includes intensity-modulated radiation therapy (IMRT), stereotactic radiosurgery (SRS), image-guided therapy (IGRT), shielding calculations, HDR, LDR, CT simulation and intravascular brachytherapy. He has also accepted and commissioned linear accelerators, treatment planning systems, CT Simulators and HDR units.