About
Dr. Dean Nasser leads PureLife MD, the adult concierge extension of PurePediatrics focused on longevity, preventive medicine, nutrition, weight management, and hormone optimization. He earned his BA in Economics from Dickinson College in Carlisle, Pennsylvania, before completing his MD at the University of Miami School of Medicine. He then trained in Internal Medicine at the University of Texas Health Science Center at San Antonio and completed a fellowship in Pulmonary and Critical Care at Tulane University in New Orleans. He holds board certification in Pulmonary and Critical Care Medicine and the designation of FCCP.
For 17 years, Dr. Nasser served as medical director of the ICU at The Woman's Hospital of Texas. Before joining PureLife MD, he also practiced as an associate physician at Texas Chest and Sleep Disorders. His clinical approach centers on personalized, preventive care that addresses the whole patient. He sees patients exclusively at the River Oaks office. Outside medicine, he enjoys hiking, travel, and time with his family.
Education & Training
Undergraduate
BA in Economics, Dickinson College, Carlisle, Pennsylvania
Medical School
University of Miami School of Medicine
Residency
Internal Medicine, University of Texas Health Science Center at San Antonio
Fellowship
Pulmonary and Critical Care, Tulane University, New Orleans
Certifications
Conditions Treated
Who is Dr. Nasser right for?
Dr. Nasser is a strong fit for adults seeking proactive, preventive care with a physician who brings deep clinical experience. Patients managing weight, hormonal changes, or pulmonary conditions benefit from his whole-patient approach. His background in critical care and 17 years of ICU leadership make him well suited for adults with complex health histories. He sees patients exclusively at the River Oaks office.
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Frequently Asked Questions
Dr. Nasser specializes in internal medicine, pulmonology, and preventive medicine. His clinical focus at PureLife MD includes longevity, nutrition, weight management, and hormone optimization. He also brings deep expertise in pulmonary and critical care medicine from his fellowship training and years of ICU leadership.
Yes. Dr. Nasser holds board certification in Pulmonary and Critical Care Medicine. He also carries the FCCP designation, which the American College of Chest Physicians awards to physicians who demonstrate excellence in their field.
Dr. Nasser earned his MD from the University of Miami School of Medicine. He completed his Internal Medicine residency at the University of Texas Health Science Center at San Antonio. His fellowship in Pulmonary and Critical Care took place at Tulane University in New Orleans.
Dr. Nasser takes a personalized, preventive approach that addresses the whole patient. He focuses on identifying and managing health risks before they become serious conditions. His work at PureLife MD centers on longevity, nutrition, weight management, and hormone optimization.
Dr. Nasser sees patients exclusively at the River Oaks office. Patients interested in adult concierge care through PureLife MD can schedule appointments at that location.
PureLife MD is the adult concierge extension of PurePediatrics. Dr. Nasser leads it from the River Oaks office. The practice focuses on longevity, preventive medicine, nutrition, weight management, and hormone optimization for adult patients.
Dr. Nasser served as medical director of the ICU at The Woman's Hospital of Texas for 17 years. He also practiced as an associate physician at Texas Chest and Sleep Disorders before joining PureLife MD. That background gives him extensive experience managing both critical and chronic conditions in adult patients.
Doctor profile last updated March 21, 2026