James Leenstra, M.D.

Education

• University of Oklahoma College of Medicine

Internship & Residency

• Internal Medicine, Mayo Clinic School of Graduate Medical Education
• Radiation Oncology, Mayo Clinic School of Graduate Medical Education

Certifications

• Internal Medicine, American Board of Internal Medicine
• Radiation Oncology, American Board of Radiology

• Breast cancer
• Cancer symptom control
• Gastrointestinal cancer
• Head and neck cancer
• Lung cancer
• Prostate cancer
• Stereotactic body radiotherapy