About
Timothy Hernandez, MD, grew up in San Antonio and earned his Bachelor of Science in Biology from the University of Texas at San Antonio in 1991. He graduated from the University of Texas Health Science Center School of Medicine in 1995 and completed his Internal Medicine residency at UT Health Science Center in San Antonio in 1998. During residency, he built the internal medicine curriculum for medical students and received the outstanding resident teacher award.
Dr. Hernandez has held numerous leadership roles across the San Antonio medical community, including Chief of Medicine at Southwest Texas Methodist Hospital, Chair of the Methodist Healthcare System Pharmacy and Therapeutics Committee, and Chair of the Methodist Healthcare System COVID-19 Therapeutics Taskforce. He also served on multiple medical ethics committees and held officer positions with the Texas Club of Internal Medicine and the San Antonio Club of Internal Medicine. He joined Pasteur Medical Associates in 2021. A Clinical Professor of Medicine at UT Health Science Center in San Antonio, he enjoys teaching residents and students. He helps patients understand their disease processes, treatment plans, and medical decisions. He speaks Spanish fluently.
Education & Training
Undergraduate
University of Texas at San Antonio, B.S. Biology, 1991
Medical School
University of Texas Health Science Center School of Medicine, 1995
Residency
Internal Medicine, University of Texas Health Science Center in San Antonio, completed 1998
Additional Training
Clinical professor of medicine at UT Health Science Center in San Antonio
Languages
Spanish
Who is Dr. Hernandez right for?
Dr. Hernandez suits adults who want a physician with deep roots in the San Antonio medical community. Patients managing chronic disease benefit from his focus on helping them understand their conditions and participate in their own care decisions. Spanish-speaking patients find an experienced, fluent communicator in Dr. Hernandez. Those who want a physician with broad leadership experience and strong hospital relationships will feel well-supported in his care.
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Frequently Asked Questions
Dr. Hernandez has served as Chief of Medicine at Southwest Texas Methodist Hospital, Chair of the Methodist Healthcare System Pharmacy and Therapeutics Committee, and Chair of the COVID-19 Therapeutics Taskforce. He also held officer roles with multiple internal medicine societies in Texas.
Yes, Dr. Hernandez speaks Spanish fluently. He welcomes Spanish-speaking patients and communicates directly with them in their preferred language.
Dr. Hernandez focuses on helping patients understand their disease process, their treatment options, and the reasoning behind medical decisions. He values clear, direct communication with both patients and specialist colleagues.
Yes. Dr. Hernandez serves as a Clinical Professor of Medicine at UT Health Science Center in San Antonio. He enjoys teaching residents and medical students and received the outstanding resident teacher award during his own training.
Dr. Hernandez completed his Internal Medicine residency at UT Health Science Center in San Antonio in 1998. During that time he built the internal medicine experience for medical students and earned recognition as an outstanding teacher.
Dr. Hernandez joined Pasteur Medical Associates in 2021. He started his concierge medicine practice at PMA after years of experience in private practice and with the Methodist Healthcare System.
Doctor profile last updated June 11, 2026