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Meet The Team


Samuel N. Landero, MD
Principal Investigator 


Ashley J. Vega, pA-C

Ashley Vega, PA-C was born and raised in the Rio Grande Valley.  She holds a Master in Physician Assistant Studies from the University of Texas Rio Grande Valley.  After completing her studies, she began her career as a physician assistant in cardiology and later on transitioned to nephrology and finally family medicine.  Ashley is a physician assistant who focuses care on an underserved community of patients with multiple comorbidities with a focus on improvements in obesity. She emphasizes the patients understanding of their medical conditions to better improve their overall health outcomes.

Samuel N Landero, MD is Board Certified in Family Medicine (by the American Board of Family Medicine) and Obesity Medicine (by the American Board of Obesity Medicine).  Dr. Landero studied medicine at the University of Montemorelos in Nuevo Leon, Mexico and completed his residency at the Valley Baptist Family Practice Residency Program here in Harlingen, Texas.  He believes the more patients understand why a certain diagnosis and treatment are recommended, the more they will be empowered to make life-long changes pertinent to taking charge of their overall health. 


Gabriela Aleman
Clinical Research Coordinator 

Gabriela Aleman was raised in the Rio Grande Valley.  She holds a bachelors degree in biology from the University of Texas Rio Grande Valley.  

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Clinical REsearch Assistants

Our team of Clinical Research Assistants come from a diverse educational background and are fully bilingual in English and Spanish.

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