Dr. Michael D. Brennan MD Endocrinologist

Dr. Michael Brennan is an endocrinologist in Rochester, Minnesota. He is affiliated with multiple hospitals in the area, including Mayo Clinic and Mayo Clinic - Saint Marys Hospital. He received his medical degree from Royal College of Surgeons Ireland and has been in practice for 45 years. He is one of 39 doctors at Mayo Clinic and one of 36 at Mayo Clinic - Saint Marys Hospital who specialize in Endocrinology, Diabetes & Metabolism.

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Office Location

See Contact Information

Specialty & Clinical Interests

Endocrinologist: General Endocrinology

Education & Medical Training

Henry Ford Hospital/Wayne State University
Residency, Internal Medicine, 1971 - 1972

Mayo School of Graduate Medical Education
Residency, Internal Medicine, 1972 - 1974

Royal College of Surgeons Ireland
Class of 1969

Certifications & Licensure

American Board of Family Medicine
Certified in Family Medicine

American Board of Family Medicine
Certified in Sports Medicine

AZ State Medical License
Active through 2014

Publications & Presentations

Amiodarone-Induced Thyrotoxicosis in Adults with Congenital Heart Disease - Clinical Presentation and Response to Therapy.
Stan, M. N.,Sathananthan, M.,Warnes, C. A.,Brennan, M. D.,Thapa, P.,Bahn, R. S.

Body mass index and the development of amiodarone-induced thyrotoxicosis in adults with congenital heart disease-A cohort study.
Stan, M. N.,Ammash, N. M.,Warnes, C. A.,Brennan, M. D.,Thapa, P.,Nannenga, M. R.,Bahn, R. S.

A risk prediction index for amiodarone-induced thyrotoxicosis in adults with congenital heart disease.
Stan, M. N., Hess, E. P., Bahn, R. S., Warnes, C. A., Ammash, N. M., Brennan, M. D., Thapa, P., Montori, V. M.

See all 34 publications

Insurances Accepted

  • BCBS Blue Card PPO
  • BCBS North Carolina BlueOptions PPO
  • CIGNA Open Access
  • First Health PPO
  • Great West PPO
  • Humana ChoiceCare Network PPO
  • ODS Network
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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