Mary T Baillargeon, PA-C

Primary phone: 603-668-3067




  • Elliot Breast Health Center
    40 Buttrick Road, Londonderry, NH


  • Professional Education: St. Anselm College
  • Professional Education: University of Mary Washington
  • Professional Education: University of New Hampshire
  • Professional Education: MGH Institute of Health Professions - Manchester

Boards & Certifications

  • Physician Assistant: National Commission on Certification of Physician Assistants

About Mary T Baillargeon, PA-C

Mary Baillargeon is a board-certified physician assistant with 15 years of experience in medical oncology. She joined the Elliot Breast Health Center in October 2022, with a focus in the high-risk screening program, genetic risk assessment, and genetic testing.

Mary earned her master’s degree from Massachusetts College of Pharmacy and Health Science in 2006. Her experience in medical oncology has developed her interest in cancer genomic medicine. She is devoted to helping patients understand their diagnosis and assisting patients as they navigate their options.