About
Dr. Hector Edwin Tamayo is a board-certified internist practicing in San Antonio, Texas. He earned his MD from the University of Texas Health Science Center in San Antonio, where he focused on adult medicine. His residency program selected him as Chief Resident, and he went on to teach at University Hospital, the VA Hospital, and UT Health San Antonio for many years.
Dr. Tamayo spent years leading a team of primary care providers in office-based practice before founding Direct Care of Texas. He brings deep experience managing complex chronic conditions including diabetes, hypertension, heart disease, and thyroid disorders. He has volunteered on medical missions, in hurricane shelters, and across a range of community health projects. Dr. Tamayo sees patients in both English and Spanish, and he takes genuine pleasure in giving his patients access and responsiveness they rarely expect from a physician.
Education & Training
Medical School
University of Texas Health Science Center in San Antonio
Residency
Internal Medicine, University of Texas Health Science Center in San Antonio (Chief Resident)
Additional Training
Teaching physician at University Hospital, VA Hospital, and UT Health San Antonio
Certifications
Languages
English, Spanish
Conditions Treated
Who is Dr. Tamayo right for?
Dr. Tamayo suits adults managing chronic conditions like diabetes, hypertension, high cholesterol, or thyroid disorders. Patients who need a physician fluent in both English and Spanish find his practice especially accessible. He also works well with patients recovering from serious cardiac events who need close, ongoing coordination of care. Those who prefer the convenience of virtual visits, house calls, or same-day access fit naturally into his panel.
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Frequently Asked Questions
Dr. Tamayo treats a broad range of adult conditions including diabetes, hypertension, high cholesterol, thyroid disorders, and heart disease. He also handles acute illnesses, cancer screenings, STI screenings, and chronic condition management. His internal medicine background makes him well-suited for patients juggling multiple ongoing health concerns.
Yes. Dr. Tamayo holds board certification in Internal Medicine. He earned his MD at the University of Texas Health Science Center in San Antonio and served as Chief Resident during his residency training there.
Yes. Dr. Tamayo sees patients in both English and Spanish. The practice website also serves Spanish-speaking patients in their preferred language.
Yes. Dr. Tamayo has experience managing patients with serious cardiac histories, including those recovering from heart attacks and open heart surgery. He coordinates medications, labs, and specialist referrals to keep care organized and consistent.
Dr. Tamayo makes himself reachable by text, phone, and video call seven days a week. Members can contact him for on-the-spot advice during evenings and weekends, not just standard business hours.
Dr. Tamayo completed his medical degree and Internal Medicine residency at the University of Texas Health Science Center in San Antonio. He served as Chief Resident and later taught at University Hospital, the VA Hospital, and UT Health San Antonio.
Yes. Dr. Tamayo has volunteered on medical missions, staffed hurricane shelters, and participated in other community health projects throughout his career.
Dr. Tamayo takes his time with each patient. He listens carefully, works through problems methodically, and does not rush appointments. Patients with complex histories particularly value his thorough, unhurried style.
Doctor profile last updated March 22, 2026