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Physicians & Staff

Dr. Gamache

photo of Dr. Leslie Gamache

Dr. Leslie Gamache was born and raised in Denver, Colorado. She received a BA degree from Carleton College in Minnesota and an MD degree from Creighton University in Omaha.

Dr. Leslie Gamache's passion is for clinical medicine, but she has a strong foundation in research which began in the Department of Neurology at Northwestern University. She has several publications in the field of Endocrinology and is a two time winner of the Western American Federation of Medical Research Scholar Award.

Dr. Leslie Gamache’s areas of interest include thyroid disorders, diabetes, osteoporosis, and disorders of the adrenal and pituitary gland.

Board Certified

Board Certified

  • American Board of Endocrinology
  • Diabetes and Metabolism
  • American Board of Internal Medicine

Fellowship in Endocrinology & Metabolism

  • University of New Mexico
  • School of Medicine
  • Albuquerque, NM

Residency in Internal Medicine

  • University of New Mexico
  • School of Medicine
  • Albuquerque, NM

Medical Doctorate

  • Creighton University School of Medicine
  • Omaha, NE

Dr. Bull

photo of Dr. Sarah Bull

Dr. Sarah Bull is board certified in both Internal Medicine and Endocrinology. She was raised in Tucson, AZ, received a BA degree from Occidental College in Los Angeles, California and an MD from University of Texas Southwestern Medical School in Dallas. After completing an Internal Medicine Residency program at the University of Colorado, she spent three years working as an Academic Hospitalist and Assistant Professor of Medicine at Denver Health Medical Center.

In 2005, Dr. Sarah Bull returned to the University of Colorado for specialty training in Endocrinology, Diabetes and Metabolism. She has several publications in the field of Diabetes and Metabolism and has been nominated to and actively participated in the National Endocrine Society.

Dr. Sarah Bull's areas of interest include thyroid, parathyroid and reproductive disorders, thyroid cancer, diabetes, osteoporosis and disorders of the adrenal and pituitary glands.

Fellowship in Endocrinology and Metabolism

  • University of CO Health Sciences Center
  • Aurora, CO

Residency in Internal Medicine

  • University of CO Health Sciences Center
  • Denver, CO

Internship in Internal Medicine

  • UT Southwestern
  • Dallas, TX