Marconi Abreu, M.D., is an Associate Professor in the Department of Internal Medicine at UT Southwestern Medical Center and a member of the Division of Endocrinology. He serves as Medical Director of the Parkland General Endocrinology Clinic.

Originally from Salvador, Brazil, Dr. Abreu earned his medical degree at the Universidade Federal da Bahia in Brazil. He completed internal medicine residency training at the University of Connecticut in Mansfield, where served as Chief Resident. He then obtained advanced training through a fellowship in endocrinology and metabolism at UT Southwestern.

Certified by the American Board of Internal Medicine in endocrinology, Dr. Abreu joined the UT Southwestern faculty in 2015.

At UT Southwestern, Dr. Abreu serves on the Compliance and Billing Committee, as well as the Diabetes Advisory Board.

Dr. Abreu is a member of the American Diabetes Association.

Personal Note

His interests outside of medicine include cooking, traveling playing the guitar, and following the stock market.


Medical School
Universidade Federal Do Bahia (2002)
Chief Resident
University of Connecticut Health Center (2008), Internal Medicine
University of Connecticut Health Center (2008), Internal Medicine
UT Southwestern Medical Center (2015), Endocrinology & Metabolism

Research Interest

  • Adrenal Disease
  • Reproductive Endocrinology
  • Type 1 Diabetes
  • Type 2 Diabetes


Featured Publications LegendFeatured Publications

Patel SM, Marconi A, Gunasekaran U, Lingvay I, Endocr Pract 2019 Jul 25 7 771
A randomized trial comparing the efficacy and safety of treating patients with very elevated hba1c levels with basal-bolus insulin or a glp-1 receptor agonist plus basal insulin: The simple study.
Abreu M, Tumyan A, Elhassan A, Peicher K, Papacostea O, Dimachkie P, Siddiqui MS, Pop LM, Gunasekaran U, Meneghini LF, Adams-Huet B, Li X, Lingvay I, Diabetes Obes Metab 2019 May
Carruthers D, Ismaily M, Vanderheiden A, Yates M, DeGueme A, Adams-Huet B, Basani S, Abreu M, Lingvay I, Endocr Pract 2019 Mar 25 3 263-269
Effect of medication adherence on clinical outcomes in type 2 diabetes: analysis of the SIMPLE study.
Patel S, Abreu M, Tumyan A, Adams-Huet B, Li X, Lingvay I, BMJ Open Diabetes Res Care 2019 7 1 e000761
SGLT2 inhibition and heart failure-current concepts.
Custodio JS, Duraes AR, Abreu M, Albuquerque Rocha N, Roever L Heart Fail Rev 2018 Apr
Implementation of a systematic approach to diabetes in primary care in Bahia, Brazil improves metabolic outcomes: PRODIBA-Programa de Interiorizacao da Assistencia ao Diabetes na Bahia (Project for Dissemination of Diabetes Care in the State of Bahia).
Chaves-Fonseca RM, Matos OS, Lordelo RA, Abreu M, Farias MG, Coutinho JF, Ribeiro MN, Matteoni-Athayde L, Lessa I, Pousada J, Oliveira M, Lopes C, Strock E, Mazze R Diabet. Med. 2009 Mar 26 3 286-92

Honors & Awards

  • Daniel W. Foster, MD Award for Excellence in Clinical Training
    UT Southwestern (2016)
  • Exceptional Contributor to the Brazilian Community of Taunton
    Taunton, Massachusetts (2010)
  • Pamela Kisluk Spirit Award
    University of Connecticut (2007)

Professional Associations/Affiliations

  • American Association of Clinical Endocrinologists (2014)
  • American Diabetes Association (2004)
  • The Endocrine Society (2013)