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Carlos Roberto Jaen, M.D., Ph.D., M.S., FAAFP

Distinguished University Professor

Professor Emeritus of Family and Community Medicine

Professor/Research of Department of Health, Behavior and Society

Dr. Jaen's special interests include improving preventive care for individuals of all ages, preventing complications from chronic diseases like diabetes, high blood pressure and heart disease. He is passionate about building and studying high-performance primary care offices. He was selected to the Best Doctors in America yearly since 2002-2025. He is dedicated to building a healthier San Antonio through efforts in community wellness. 

Dr. Jaen is an elected member of the National Academy of Medicine of the National Academies. He is a member of the U.S. Preventive Services Task Force. He is a former chair of the Board of Regents of the National Institutes of Health National Library of Medicine and of the American Board of Family Medicine. 

He was  co-director of the American Academy of Family Physicians (AAFP) Center for Research in Family Medicine and Primary Care. Over 20 years, the Center studied almost 500 mostly independent, community-based primary care practices and completed the evaluation of the AAFPs national demonstration project of the patient-centered medical home. He served on the panels that published the U.S. Public Health Service smoking cessation guidelines in 1996 & 2000 and was co-chair of the panel that published an update in May 2008. In 2005, he was appointed to the National Advisory Council to the Agency for Healthcare Research and Quality (AHRQ). He received a Generalist Physician Faculty Scholar Award from the Robert Wood Johnson Foundation and a Cancer Control Career Development Award for Primary Care Physicians from the American Cancer Society.