Banner Health
Making healthcare easier

Banner - University Medicine Diabetes and Endocrinology Institute

1441 N 12th St
Phoenix, AZ 85006

Hours Today: Closed


When you need to see a diabetes specialist or endocrinologist, we know what can go through your head. But what we want you to feel is a sense of calm and reassurance that you’re receiving the highest quality care possible – from the moment you sign in to your first steps to recovery.

Whether it’s a second opinion or a life-saving procedure, the specialists at the Diabetes and Endocrinology Institute's centers and clinics offer seamless collaboration between doctors and whole-scale expertise when it comes to diabetes and endocrinology care in the greater Phoenix and Arizona areas. And because we're located on campus at Banner – University Medical Center Phoenix, our endocrinologists have access to some of the newest medical technologies and most advanced treatment techniques for diabetics and those facing kidney disease and complications available.

Getting Here

Hours At This Location
8 a.m. to 5 p.m.
8 a.m. to 5 p.m.
8 a.m. to 5 p.m.
8 a.m. to 5 p.m.
8 a.m. to 5 p.m.
About Us

The Banner – University Medicine Diabetes and Endocrinology Institute can help manage and treat many complications and illnesses that can arise from diabetes, metabolism-related ailments, and obesity. From information and educational materials and more, it’s all a part of how we’re trying to make life easier by making health care better – especially when you need to see a specialist focused on diabetes, bariatrics, and endocrinology.

Our specialized centers include:

Some of the services our specialists offer include:

  • Diabetes and diabetes-related medical conditions
  • Metabolism and obesity conditions
  • Pituitary disorders
  • General endocrinology
  • Thyroid  (nodules/goiter, thyroid cancer, hyperthyroidism and Graves’ disease, hypothyroidism, Hashimoto’s thyroiditis, molecular markers for thyroid cancer diagnosis)
  • Parathyroid (hyperparathyroidism, hypercalcemia, osteoporosis/osteopenia and kidney stones related to parathyroid disease, parathyroid disease due to renal disease, dialysis or kidney transplant, vitamin D deficiencies)
  • Adrenal conditions (incidentalomas, pheochromocytomas and paragangliomas, aldosteronomas, Cushing’s)
  • Genetic and hereditary endocrine conditions (multiple endocrine neoplasia type I and II, Cowden syndrome/PHTS/PTEN mutations, familial adenomatous polyposis FAP, familial thyroid cancer)
  • Ultrasound for all thyroid and parathyroid conditions, neck masses and lymph nodes, lymph node mapping for thyroid cancer, ultrasound-guided fine needle aspiration biopsy (FNA)
  • Surgery for all of the above conditions, including operations performed for complex, recurrent or reoperative disease, and specialized bariatric surgery, specialized thyroid and lymph node surgeries, parathyroidectomy, adrenalectomy, and operations performed as minimally invasive surgery

Meet our doctors at Banner - University Medicine Diabetes and Endocrinology Institute

View all of our doctors and schedule an appointment.

Margaret O'Brien, RD

Endocrinology, Bariatric Surgery, Dietetics
4.7 out of 5.0

Christian Nasr, MD

4.9 out of 5.0

Kresimira Milas, MD

Endocrine Surgery
5 out of 5.0

Rosemarie Metzger, MD

Endocrine Surgery
4.9 out of 5.0

Rogelio Aguirre, FNP

4.8 out of 5.0