James Deer, MD

Endocrinology, Diabetes & Metabolism

Photo of James Deer


  • Medical School: Doctor of Medicine, University of Arizona, Tucson, AZ
  • Residency: Banner Good Samaritan Medical School, Phoenix, AZ
  • Fellowship: Endocrinology, Banner Good Samaritan /Carl T. Hayden VA System, Phoenix, AZ


James Deer, MD is board-certified in Endocrinology and Internal Medicine and specializes in treatment of Diabetes and Metabolism disorders. Dr. Deer is an expert in thyroid diseases, thyroid cancer, pituitary diseases and adrenal insufficiency. His experience also includes management of insulin pumps. Dr. Deer provides high quality and evidence based care for each patients individualized treatment plan.


  • General endocrinology care
  • Complete management of adult diabetes including insulin pumps and continuous glucose monitoring
  • Complete management of pituitary and adrenal disorders
  • Dyslipidemia, calcium and bone metabolism