Maria A. Thomas

Maria A. Thomas, MD, PhD

Top Doctors®

Specializes In
  • Radiation Oncology
  • Cancer (Oncology)
Languages Spoken
  • English


Sees Patients For

Radiation therapy using all modalities of external beam radiation ( 3-D conformal treatment planning, IMRT, stereotactic body radiotherapy, image guided radiation therapy, accelerated partial breast irradiation, tomotherapy, advanced localization systems, total body radiation, PET and MRI fusion.  Also brachytherapy, Gamma Knife radiosurgery

Hospital Affiliations

  • Alton Memorial Hospital
  • Barnes-Jewish Hospital
  • Barnes-Jewish St. Peters Hospital
  • Barnes-Jewish West County Hospital
  • Christian Hospital



Academic Title(s)

Associate Professor, Radiation Oncology

Publications & Research

View research profile »


Medical Degree

2008 Saint Louis University School of Medicine, St. Louis, MO

BS (Biology)

2000 Creighton University, Omaha, NE


2013 Radiation Oncology, Barnes-Jewish Hospital/Washington University School of Medicine, St. Louis MO


2008 Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO