New Search Accepting new patients. Annie Castillo MD (406) 414-5070 Primary Specialties Medical Oncology (Board Certified) Secondary Specialties Internal Medicine (Board Certified) AffiliationsBozeman Health Deaconess Hospital Bozeman Health Medical Group Primary Office Address: Bozeman Health Cancer Center 931 Highland Blvd., Suite 3130 Highland Park 3 - Purple Zone Bozeman, MT 59715 Hours: Monday-Friday 8:00 am-5:00 pm Recommend this Physician Education Medical School: University of Texas Medical Branch School of Medicine, MD Residency: University of New Mexico Affiliated Hospitals, Internal Medicine Fellowship: University of New Mexico Affiliated Hospitals, Medical Hematology and Oncology Areas of Expertise Oncology, Medical Hematology From the Physician Internal Medicine Physician Bio Annie Castillo, MD, has cared for cancer patients at Bozeman Health Cancer Center since 1989. Board certified in internal medicine and medical oncology, Dr. Castillo earned her medical degree at University of Texas Medical Branch School of Medicine in Galveston. She completed her residency in internal medicine at University of New Mexico Affiliated Hospitals in Albuquerque, where she also completed fellowship training in hematology and medical oncology. Dr. Castillo is a member of the Medical Executive Committee at Bozeman Health Deaconess Hospital and of the Professional Advisory Board of the Cancer Support Community in Bozeman.