Michael Mortensen, DO

Northern Arizona Healthcare Medical Group – Flagstaff
1215 N. Beaver St.
Ste. 203
Flagstaff, AZ 86001
office 928-773-2200


Michael Mortensen, DO, is a Board Certification-certified endocrinologist with Northern Arizona Healthcare Medical Group Specialty Clinic. He is located in Flagstaff.


Dr. Mortensen believes in providing patients with the information and tools to manage their own health. He enjoys discussing the specifics of his patients’ concerns and providing a detailed answer to help them better understand what is going on with their health.

Expertise and Special Interests

Dr. Mortensen specializes in the treatment of endocrine system disorders including pituitary; adrenal; parathyroid and thyroid glands. He performs thyroid fine-needle aspirations in a clinic setting.

Education and Certification

Dr. Mortensen earned his doctor of osteopathic medicine from the Arizona College of Osteopathic Medicine at Midwestern University in Glendale, Ariz. He earned his bachelor’s degree in Russian and near Eastern studies from the University of Arizona in Tucson, Ariz. Dr. Mortensen completed his endocrinology fellowship and his internal medicine residency at Banner Good Samaritan Medical Center in Phoenix. Dr. Mortensen is Board Certification certified in endocrinology by the American Board of Internal Medicine.

Type/Degree School Major/Speciality
Doctor of Osteopathy Arizona College of Osteopathic Medicine Osteopathic Medicine

Board Certification

American Board of Internal Medicine: Internal Medicine

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