about Dr. Delaine Mueller

Longevity & Functional Medicine Physician in  Bee Cave, TX

Professional woman in a black blazer outdoors with flowers—reflecting leadership, approachability, and trusted care supported by Thriving Life Clinic in Bee Cave, TX.
Athlete training with battle ropes at a local gym—reflecting strength, energy, and performance supported by Thriving Life Clinic in Bee Cave, TX.
Guided by Science. Grounded in Care. Focused on You.

Dr. Delaine Mueller is a board-certified Family Medicine physician with over 25 years of experience helping adults take ownership of their health and age with confidence.

Her approach blends traditional and functional medicine — combining evidence-based medicine with a whole-person lens that prioritizes lifestyle strategy and long-term wellness.

At her private clinic in Bee Cave, Dr. Mueller partners with adults who are ready to feel better, think clearer, move more freely, and prevent future disease with intention. Whether you’re navigating hormonal changes, metabolic shifts, or just don’t feel like yourself, you’ll get more than a quick fix — you’ll get an expert roadmap for lifelong health.
philosophy: Blending the Best of Old and New Medicine

Dr. Mueller’s foundation in conventional Family Medicine has shaped her clinical intuition and discipline.

But over the years, she’s seen where that model can fall short — especially for patients with complex or chronic concerns.

That’s why she's chosen to specialize in longevity medicine: a deeper, more integrative approach that emphasizes prevention, lifestyle, and patient collaboration. It’s about treating the whole person, not just the most urgent problem.

She believes great medicine takes time — time to ask questions, review goals, and build trust. Her philosophy is simple: empowering patients to understand and take control of their own health is the best medicine.
Person crossing a coastal rope bridge in safety gear—reflecting confidence, strength, and active living supported by Thriving Life Clinic in Bee Cave, TX.
Credentials & Clinical Training

Dr. Mueller combines a rock-solid traditional foundation with advanced functional training to help patients get clarity, connection, and truly personalized care.

Biomedical Science – Texas A&M University

Bachelor of Science

McGovern Medical School at UT Health Houston

 Medical Doctorate

John Peter Smith Hospital, Fort Worth

Family Medicine Residency
Stanford Nutrition Science certificate—reflecting advanced training, evidence‑based nutrition counseling, and continual learning at Thriving Life Clinic in Bee Cave, TX.American Board of Family Medicine Diplomate certificate—reflecting board certification, trusted expertise, and high‑standard primary care at Thriving Life Clinic in Bee Cave, TX.
Professional woman in a black blazer outdoors with flowers—reflecting leadership, approachability, and trusted care supported by Thriving Life Clinic in Bee Cave, TX.
She Walks the Talk

Originally from Dallas, Dr. Mueller has been passionate about living well for decades.

She’s an avid mountain biker, skier, hiker, and has been committed to CrossFit for over 10 years. She's also participated in triathlons and endurance races, and has a black belt in Krav Maga.

Recently, she added rucking to her weekly routine — usually alongside her dog.

Married for over 30 years and a believer in lifelong movement and growth, Dr. Mueller doesn’t just talk about healthy aging — she lives it every day.
I believe medicine should be a conversation,
not a transaction. Real healing takes time,
trust, and a plan that fits your life.
I believe medicine should be a conversation, not a transaction. Real healing takes time, trust, and a plan that fits your life.

Next Step? Let’s Talk.

Whether you’re looking for a fresh start or fine-tuning your health, Dr. Mueller is here to help. Explore services or book your first consultation at her Bee Cave clinic.