Skip directly to content

Medical Team

Text Increase:
Text Increase Normal
Text Increase Large
Text Increase Largest

The Diabetes and Endocrinology Institute of Tampa boasts an award-winning and extremely experienced trio of specialists to whom primary care physicians from across the state of Florida and beyond routinely refer their patients in need of advanced evaluation and comprehensive treatment for a wide variety of endocrine and metabolic disorders. Dr. Koshy is the core of a dedicated, multi-lingual practice with close ties to Florida Hospital and the Florida Hospital Physician Group.

Our physicians’ extensive training and solid track record of helping patients to successfully manage or recover from complex endocrine and metabolic disorders are distinct advantages that set our practice apart from others. Many patients travel from beyond the immediate Tampa Bay metro area to receive our care, and word-of-mouth advertising from our past patients has helped our practice thrive from one year to the next. Read about each of our physicians below, and feel free to give us a call at 813.615.7620 or fill out an appointment request form here.

Saji Koshy, MD, FACP, FACE

Dr. Koshy is board certified in internal medicine and in endocrinology, diabetes and metabolism. A fellowship-trained physician with nearly a quarter century of experience, he has been treating patients with diabetes, endocrine and metabolic disorders in the Tampa area since 2006. He has been the Associate Director at the Diabetes and Endocrinology Institute since 2008. He takes active interest in teaching and preceptorship of Medical Students, Residents and Fellows. Dr. Koshy keeps himself updated on current endocrinology practices and research so that his patients receive the utmost comprehensive and advanced care.

Mia L. Fronteras, MD

Dr. Fronteras is board certified in internal medicine and in endocrinology, diabetes and metabolism. She is fellowship-trained physician in the field of endocrinology, diabetes and metabolism and she is fluent in English, Cebuano and Tagalog. She provides comprehensive and advanced care for patients and specializes in diabetes, thyroid disease, lipid disorders, osteoporosis and obesity.