Dr. Spangler received a Bachelor of Science in Biology from Wichita State University in 1976 and a Master of Science in Epidemiology from Harvard School of Public Health in 1980. She graduated from the Medical College of Pennsylvania in 1985 and completed her residency in Radiation Oncology in 1989. Following her residency, Dr. Spangler was in private practice in radiation oncology in Daytona Beach, Florida for twelve years where she served as Chairman of the Department of Radiation Oncology and President of the Medical Staff at Halifax Medical Center. She elected to focus on the treatment of breast cancer, and completed the Susan G. Komen Breast Cancer Foundation/UT Southwestern Center for Breast Care Fellowship in 2003.


Medical School
Medical College of Pennsylvania (1985)
Shands at the University of Florida (1986), Rotating
Shands at the University of Florida (1989), Radiation Oncology
UT Southwestern Medical Center (2003), Breast Cancer Care

Clinical Interest

Breast Cancers
Radiation Therapy for Breast Cancer
  • Accelerated Partial Breast Irradiation (APBI)
  • Advanced 3-D Video Surveillance System (AlignRT) for Optimized Radiation Dose Delivery
  • Cyberknife Radiosurgery for Breast Cancer
  • Intensity-Modulated Radiation Therapy (IMRT)
  • Stereotactic Ablative Radiation Therapy (SABR) or Stereotactic Body Radiation Therapy (SBRT)
  • Whole Breast Radiation

Professional Associations/Affiliations

  • American College of Physician Executives
  • American Medical Association
  • American Society for Therapeutic Radiology and Oncology (ASTRO)
  • Association for Directors of Radiation Oncology Programs
  • Texas Medical Association