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Texas Medical Center

Phone: 832-822-4242


6701 Fannin, Ste. 1510
Houston, TX 77030

Research Laboratory

Xavier Rios Villanueva, MD, PhD

Instructor, Department of Pediatrics, Section of Hematology-Oncology, Baylor College of Medicine


School Education Degree Year
Baylor College of Medicine Fellowship Pediatric Hematology/Oncology 2021
Harvard PhD Doctor of Philosophy 2018
Texas Children’s Hospital/Baylor College of Medicine Residency Pediatrics 2018
Harvard Medical School Medical School Doctor of Medicine 2015
University of Puerto Rico at Mayaguez Bachelors Bachelor of Science 2005


Dr. Xavier Rios completed his pediatric hematology/oncology fellowship training in 2021.

Selected Publications



* Texas Children's Hospital physicians' licenses and credentials are reviewed prior to practicing at any of our facilities. Sections titled From the Doctor, Professional Organizations and Publications were provided by the physician's office and were not verified by Texas Children's Hospital.