About

Luis Casaubon

MD
Central Austin Office

Dr. Luis Casaubon graduated medical school from the University of Texas Medical Branch in Galveston. He completed his Internal Medicine residency and his Endocrinology and Metabolism fellowship training at the University of South Florida in Tampa.

Dr. Casaubon is board-certified in Endocrinology, Diabetes and Metabolism. He was born in Cuba, but grew up in San Antonio, Texas and is fluent in Spanish. He has lived in Austin since 2005 with his wife and three kids. He enjoys mountain biking, hiking, woodworking, and gardening.

Dr. Casaubon joined TD&E in 2005.

Curriculum Vitae

  • Board Certified in Endocrinology, Diabetes and Metabolism
  • Member of the Texas Medical Association
  • Member of the Travis County Medical Society
  • Active in clinical research concerning Diabetes, Obesity and Thyroid disease

 

Recognitions Received

  • Vitals Patients’ Choice Award: 2013, 2017, 2018
  • Vitals On-Time Doctor Award: 2014, 2017, 2018, 2019
  • Vitals Compassionate Doctor Recognition: 2015
  • Texas Monthly – Super Doctors Texas Rising Star Award: 2014, 2021
  • Texas Monthly – Super Doctors Award: 2023, 2024
  • America’s Most Honored Professionals Award: 2017
  • America’s Most Honored Professionals- Top 10% Award: 2016, 2023, 2024
  • America’s Most Honored Professionals – Top 5% Award: 2018, 2019, 2020, 2022
  • Castle Connolly Regional Top Doctor Award: 2018, 2019, 2020, 2021, 2023, 2024
  • Austin Monthly Top Doctors Award: 2019, 2020, 2021, 2026

Media Mentions

Doctor shares how extreme heat can affect people with diabetes

Featured In: KVUE
Date: July 2022
Topic: Diabetes

Dr. Casaubon Discussed:
Dr. Casaubon explained why people with diabetes are more susceptible to heat related illness and the signs of heat related medical emergencies.

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The Best Foods To Eat For Low Blood Sugar, According To Doctors And Nutritionists

Featured In: HuffPost
Date: October 2022
Topic: Diabetes

Dr. Casaubon Discussed:
Dr. Casaubon discussed why he believes glucose tablets are the best approach to treat hypoglycemia.

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Q&A: How a medication shortage is impacting people with Type 2 Diabetes

Featured On: KXAN
Date: October 2022
Topic: Diabetes

Dr. Casaubon Discussed:
Dr. Casaubon discussed the Ozempic shortage and how it impacted patients with type 2 diabetes.

Research Papers

Diabetes Clinical Research

A Randomized Trial of Automated Insulin Delivery in Type 2 Diabetes — Study investigator, New England Journal of Medicine (2025).

Beneficial Effects of Control-IQ Automated Insulin Delivery in Basal-Bolus and Basal-Only Insulin Users With Type 2 Diabetes — Study investigator, Clinical Diabetes (2024).