

Oncology
John Purviance, M.D.
radiation oncologist
Casper, WY
Dr. John D. Purviance, MD is a radiation oncologist at Rocky Mountain Oncology Center in Casper, Wyoming. He received his medical degree from Tufts University School of Medicine, completed a radiation oncology residency at Tufts-New England Medical Center in Boston where he served as chief resident, and a radiation oncology fellowship at Tufts University. He is affiliated with Wyoming Medical Center and Ivinson Memorial Hospital.
24+
Years in Practice
Credentials
Board Certifications
- American Board of Radiology (Radiation Oncology)
Education & Training
- Medical Degree: Tufts University School of Medicine, 2002
- Residency: Radiation Oncology (Chief Resident), Tufts-New England Medical Center, Boston, MA, 2006-2007
- Fellowship: Radiation Oncology, Tufts University, Boston, MA
Peer Recognition
- Castle Connolly — Top Doctor
2017-2026 (10 years)
- Healthgrades — Healthgrades Honor Roll
Clinical Focus
Subspecialties
Radiation Oncology
Conditions & Treatments
Radiation TherapyBrachytherapySBRT & SRSIMRTStereotactic Body Radiation TherapyChemotherapy
Practice Details
Hospital Affiliations
- Memorial Hospital of Sweetwater County
- Ivinson Memorial Hospital
- Banner Wyoming Medical Center
Experience
24+ years in practice