360 MD is a physician-led precision medicine practice in Central Texas — combining longevity medicine, hormone optimization, concierge primary care, functional nutrition, medical weight loss, and aesthetic medicine under one roof. Founded and led by Dr. Carol Ann Linebarger, MD, a member of the American Academy of Anti-Aging Medicine (A4M) and certified in Integrative and Behavioral Medicine from the University of Arizona, 360 MD serves patients across three Texas locations. The flagship clinic is located at 511 W. 15th Street in Austin, TX 78701, with additional locations in Buda and New Braunfels. The practice offers flexible membership tiers — from affordable Direct Primary Care to a full concierge experience with Dr. Linebarger as your dedicated physician — making relationship-based, whole-person medicine accessible across Central Texas.

About the Physician

Dr. Carol Ann Linebarger is an Austin native who earned her BS in Biology from UT Austin in 2008 — where she also rowed for Texas Crew — before completing medical school in Sydney, Australia and her Family Medicine residency in Galveston, Texas. She is a member of the American Academy of Anti-Aging Medicine (A4M) and holds a 200-hour certificate in Integrative and Behavioral Medicine from the University of Arizona, with ongoing training toward full Functional Medicine certification. Dr. Linebarger is passionate about preventive and integrative medicine, mindfulness and meditation, and the critical connection between mental and physical health. The 360 MD clinical team includes Physician Assistants Melanie Fillian, PA-C and Melissa Moreno, PA-C, Family Nurse Practitioners Delta Gonzales, FNP-C and Nikaley Basham, FNP-C, and Allison Horan, MS, MPH — a Functional Nutritionist providing specialized nutrition support for metabolic health, longevity, and chronic disease prevention. Every prospective patient is invited to a free meet-and-greet before committing to membership.

Services Offered

• Longevity & Concierge Medicine — the Concierge membership ($500/month) includes Dr. Linebarger as your dedicated primary provider, guaranteed same-day appointments, after-hours access, advanced longevity testing, and hormone replacement therapy.
• Peptides & Hormone Therapy — physician-supervised peptide protocols (BPC-157, sermorelin, CJC-1295/ipamorelin, and others) plus testosterone replacement for men and women to optimize performance, recovery, metabolism, and aging.
• Medical Weight Loss + GLP-1 Therapy — medically managed programs using semaglutide, tirzepatide, and other GLP-1 agonists for sustainable, physician-supervised fat loss and metabolic improvement.
• Direct Primary Care (DPC) — affordable membership ($30–$110/month based on age) with guaranteed same- or next-day appointments, unlimited office visits, no co-pays, and direct provider access. No long-term commitment.
• Functional Medicine & Nutrition — root-cause functional medicine enhanced by Functional Nutritionist Allison Horan, MS, MPH — comprehensive metabolic panels, nutrition optimization, gut health, and lifestyle medicine.
• Medical Aesthetics — Botox, dermal fillers, Lumenis Stellar M-22 laser treatments, chemical peels, and advanced facials delivered by a Master Medical Aesthetician certified in cosmetic laser therapy.
• IV Infusions — physician-formulated IV vitamin and nutrient infusions for energy, immunity, hydration, recovery, and longevity optimization.
• Men's & Women's Health — comprehensive gender-specific care including testosterone optimization, sexual health, hormonal balance, performance enhancement, and preventive wellness programs.

What to Expect

360 MD invites every prospective patient to a complimentary meet-and-greet with their provider before committing to membership — ensuring the right fit. Membership plans have no long-term commitment and can be canceled anytime. Main Austin location: 511 W. 15th Street, Austin, TX 78701. Buda location: 645 FM 967, Suite 103. New Braunfels: 1067 FM 306, Suite 106. Call (512) 582-2388 or visit 360mdaustin.com to schedule your free consultation.