About
Dr. Carol Ann Linebarger, MD, earned her B.S. in Biology from UT Austin in 2008, where she also rowed for Texas Crew. After graduating, she backpacked around the world and spent several months volunteering at a hospital in West Africa, surviving malaria along the way. She attended medical school in Sydney, Australia, then returned to Texas to complete her Family Medicine residency in Galveston.
Dr. Linebarger holds a 200-hour certificate in Integrative and Behavioral Medicine from the University of Arizona and belongs to the American Academy of Anti-Aging Medicine. She follows Peter Attia's Early Program on Longevity Medicine and draws on A4M teachings in her clinical work. Her passions include preventive medicine, metabolic and cellular aging, longevity, mindfulness, and the relationship between mental and physical health. Outside the clinic, she skis, wake-surfs, practices yoga, hikes, and spends time with her three kids.
Education & Training
Undergraduate
B.S. in Biology, University of Texas at Austin (2008)
Medical School
Medical school in Sydney, Australia
Residency
Family Medicine residency, Galveston, TX
Additional Training
200-hour certificate in Integrative and Behavioral Medicine, University of Arizona
Conditions Treated
Who is Dr. Linebarger right for?
Dr. Linebarger suits adults who want a primary care physician with a broad, integrative lens. Patients focused on longevity, metabolic health, or hormonal balance find her clinical approach well-matched to their goals. She works well with patients who see mental and physical health as connected rather than separate. Those interested in preventive strategies, functional nutrition, or performance optimization benefit from her range of services.
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Frequently Asked Questions
Dr. Linebarger focuses on family medicine, functional medicine, and preventive medicine. She also works extensively in longevity, metabolic health, hormone replacement, and performance optimization. Her integrative approach draws on both conventional and functional frameworks.
Yes. Dr. Linebarger holds a 200-hour certificate in Integrative and Behavioral Medicine from the University of Arizona. She also belongs to the American Academy of Anti-Aging Medicine and applies longevity medicine principles from Peter Attia's Early Program in her clinical work.
Dr. Linebarger attended medical school in Sydney, Australia. She then returned to Texas and completed her Family Medicine residency in Galveston. S. in Biology from UT Austin in 2008.
Yes. Dr. Linebarger offers both hormone replacement therapy and bioidentical hormone replacement therapy. She treats hormone-related concerns in both men and women, often as part of a broader longevity or optimal health plan.
Dr. Linebarger centers preventive medicine on catching and addressing problems before they become serious. She draws on advanced diagnostics, metabolic testing, and cellular aging research to build individualized prevention plans. Her work in longevity medicine informs how she approaches screenings and lifestyle interventions.
Yes. Dr. Linebarger views mental and physical health as deeply connected. Her certificate in Integrative and Behavioral Medicine reflects that perspective, and she incorporates mindfulness and behavioral health considerations into her clinical approach.
Dr. Linebarger sees patients across a wide age range, from children through older adults under DPC membership, and adults focused on hormone health, weight loss, performance, or longevity under specialized membership tiers. She works with both men and women seeking proactive, relationship-based care.
Yes. Dr. Linebarger offers medical weight loss as a dedicated service. The practice maintains a second location in Buda specifically for weight loss patients, with Spanish-speaking staff available at that site.
Doctor profile last updated March 21, 2026