
Personalized Functional Medicine in Los Gatos, CA

The team at Avita MD is redefining healthcare with a focus on personalized, whole-person wellness. We combine functional medicine, advanced diagnostics, and evidence-based therapies with individual attention that puts you at the center of your wellness journey. At our Los Gatos clinic, patients find care that is both personalized and empowering, whether it’s hormone optimization, heart health screenings, IV therapies, or aesthetics.
We are more than providers. We are advocates, educators, and partners. We navigate the complexities of healthcare, provide access to the state-of-the-art testing and therapies, and stand by you at every step. With a focus on both immediate results and long-term vitality, we help you feel stronger, healthier, and more confident in your future.


At Avita MD, medicine is personal. Our team is made up of physicians, physician associates, and dietitians who are here not just to treat conditions but to build lasting relationships with our patients. We see every visit as an opportunity to listen, understand, and guide you toward the healthiest version of yourself.
Led by Stanford-trained, dual board-certified Dr. Patricia Sitnitsky, our providers bring decades of combined experience in internal medicine, obesity medicine, aesthetics, and functional care. Each member of our team is deeply committed to patient advocacy, navigating complex healthcare systems, securing specialist referrals, and simplifying decisions that can otherwise feel overwhelming.
At Avita MD, you’ll find more than clinical expertise. You’ll find partners who stand beside you, ready to protect your health and help you thrive.
At Avita MD, we focus on the treatments that make the biggest impact on long-term wellness and daily vitality. From hormone balance and weight management to gut health, heart screenings, IV therapies, and immigration exams, our services are designed around your unique needs. Each program blends advanced diagnostics with personalized care, giving you practical solutions that protect your health today and for the future. Explore our most-requested services, and discover how our team can guide you toward feeling your best.
Hormones influence everything, from mood and metabolism to sleep and skin. As we age, imbalances can leave us feeling tired, foggy, or out of sync. At Avita MD, we use advanced testing and bioidentical hormone therapy to restore your hormonal balance safely and effectively. Our personalized approach ensures that treatment supports your body’s unique needs, so you feel more like yourself again.

Weight management is about more than willpower. It’s about biology. Our providers use FDA-approved GLP-1 medications, genetic testing, and metabolic screening to design a completely personalized weight-loss program that works with your body. Dietitian support ensures you get practical, sustainable nutrition guidance that fits your lifestyle. With Avita MD, you’ll have the tools and advocacy you need for lasting change.

The health of your gut affects so much more than digestion, including your mood, skin, hormones, and even immunity. At Avita MD, we use advanced methods like SIBO breath testing, microbiome analysis, and food sensitivity panels to uncover hidden causes of bloating, IBS, or reflux. Our providers then create and guide you through a personalized protocol, including targeted supplementation and dietitian support that makes nutrition changes practical and effective. The result? Better digestion, more energy, and a healthier foundation for whole-body wellness.

Heart disease often develops silently, making early detection crucial. Avita MD goes beyond routine labs with advanced lipid testing, inflammation markers, and genetic screening to uncover hidden risks. Our providers combine these insights with nutrition and medication strategies designed to reduce risk and build long-term resilience. With proactive care, we help protect your most vital system before problems arise.

IV therapy provides fast, effective support by delivering essential nutrients directly into your bloodstream. From NAD+ for cellular renewal to Vitamin C for immune health, our drips are designed to target your body’s needs with precision. Whether you’re recovering from stress, fighting fatigue, or optimizing longevity, our IV therapies help restore balance and vitality. Treatments are safe, customizable, and performed in a supportive and comfortable medical setting.

Immigration exams can feel overwhelming, but our team makes the process simple, supportive, and efficient. At Avita MD, we provide USCIS-compliant medical evaluations with on-site diagnostics and expert providers to guide you every step of the way. Our multilingual call center and HIPAA-compliant portal make communication seamless. We ensure your experience is thorough, accurate, and stress-free.

Your health deserves more than routine care. It deserves precision, advocacy, and a partner who stands by you. Whether you’re ready to explore preventive medicine, functional protocols, or aesthetics, our team is here to guide you with clarity and compassion.