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Arroyo Vista Family Medicine

Helping Patients Reach Their Health Goals


We respect our patients' time and pride ourselves in creating as fluid and convenient of a patient experience as possible without sacrificing quality of care.  As such, patients are seen by appointment only.   We do set aside a few same-day appoint-ments for our sick patients. Sick patients needing to be seen must call ahead to be scheduled for a same-day (or sometimes next-day) appointment based on availability. 



In the event of a life-threatening emergency, always dial 911. If you or your loved one become ill during business hours, please call our office first as we reserve same-day appointments to see you if you become ill. 


When the office is closed after office hours or on holidays, please call 956-412-2836 and an on-call physician will be contacted.


For your convenience, All of our patients are strongly encouraged to use our patient portal. Whether on the go or in the comfort of your own home, the patient portal allows you to access medical history and information securely. If you haven't already signed up, you can get started by clicking the request access button below. 


A new prescription usually requires an office visit. The turnaround time for prescription refills is 72 business hours, but some medications have specific requirements which is why we strongly recommend prescription refills be requested one week prior to your last medication dose.     

To request a refill, call us and press 4 or download the Spruce Health App below to make your request.

Meet Our Providers

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Samuel N. Landero, MD 


Undergraduate Studies:

Bachelor in Biology

University of Texas at Brownsville

Graduate Studies:

Master in Physician Assistant Studies

University of Texas Rio Grande Valley

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Ashley J. Vega, pA-C

Ashley Vega was born and raised in the Rio Grande Valley.  After completing her Masters Degree in Physician Assistant Studies, she began her career as a physician assistant in cardiology and nephrology prior to joining the Arroyo Vista Family Medicine Team.  She prides herself on providing quality care to patients with multiple comorbidities with a passion for improving health through weight management. She emphasizes the patients understanding of their medical conditions to better improve their overall health outcomes.

Medical School:

University of Montemorelos

Nuevo Leon, Mexico  

Residency in Family Medicine:

Valley Baptist Family Practice Residency Program

Harlingen, Texas

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). Meeting patients where they are and partnering with them to achieve their health goals for a better quality of life is one of Dr. Landero's passions. 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. 


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