
Mega Doctor News
RIO GRANDE VALLEY, Texas – DHR Health, the largest provider of specialty healthcare in the Rio Grande Valley, is pleased to announce that Dr. Alexandra Treviño, has joined its team of physicians.
Dr. Treviño will serve as a psychiatrist, seeing patients in her clinic and working with patients at DHR Health’s Behavioral Hospital. A native of the Rio Grande Valley, she is bilingual in English and Spanish and is committed to providing specialized mental health care to adult patients.
“We are thrilled to welcome Dr. Treviño to our team. Her commitment to mental health and patient care will help strengthen access in our region for individuals and families,” said Marissa Castaneda, DHR Health senior executive director vice president. “We look forward to the meaningful difference Dr. Treviño will make in our community.”
Dr. Treviño attended the University of Texas at Rio Grande Valley majoring in Biomedical Studies, graduating Magna Cum Laude. She then attended the A.T. Still University-School of Osteopathic Medicine in Arizona, receiving her Doctor of Osteopathic Medicine degree. She completed her residency in psychiatry at the Texas Institute for Graduate Medical Education and Research and has experience working in the mental health clinical and hospital settings.
As a psychiatrist, she specializes in diagnosing and treating mental health conditions such as depression, anxiety and schizophrenia. This includes treatment for both emotional and physical symptoms like fatigue, sleep problems, or changes in appetite. She will be a part of a comprehensive mental health team delivering a combination of treatments to help manage these symptoms and improve overall well-being.
“I am incredibly excited to begin this next chapter in the Rio Grande Valley and to join DHR as a psychiatrist. I’m looking forward to working alongside an amazing team and helping expand access to mental health care for patients and families across the RGV. It’s a privilege to serve this community, and I’m very grateful for the opportunity to work at DHR,” said Dr. Treviño.
Dr. Treviño will be accepting new patients in November 2026, at her clinic, the DHR Health Counseling and Psychiatry Center, located at 2821 Michaelangelo Drive, Suite 204, in Edinburg.
To schedule an appointment, please call (956) 362-8290. DHR Health accepts a variety of health insurances, including Medicare and Medicaid.












