Longevity Health Center specializes in advanced immune therapies and chronic condition management, with particular expertise in ozone therapy, NAD treatments, and orthopedic naturopathic care. Dr. Frey focuses on building long-term health through natural, minimally invasive treatments that support the body's inherent healing capacity.
Advanced immune-boosting therapy using medical-grade ozone to enhance cellular oxygenation and support immune function.
Cutting-edge cellular regeneration therapy that supports energy production, mental clarity, and healthy aging.
Comprehensive natural treatment approaches for complex health conditions using evidence-based naturopathic protocols.
Natural approaches to musculoskeletal health combining naturopathic principles with targeted therapies for optimal function.
Most Frequently Mentioned
Patients most appreciate Longevity Health Center for Dr. Donaldson's specialized expertise in ozone and immune therapies, along with his knowledgeable and caring approach to treating chronic conditions.
“Immune Therapy in Los Gatos: Building a Life of Deep Healing and Longevity Dr. Josh Donaldson at Longevity Medical Inst…”
— Ashley Vanni
“I saw Dr. Donaldson for 10 sessions of ozone therapy to help me build my immune system up after having mono and had noth…”
— Robyn Mcintire
“Dr. Donaldson is exceptional with his patients. He is an expert in treating orthopedics, addiction with rapid and safe a…”
— Katy mc Dowell
“Have been going for a while, but after Dr Josh damaged my nerve severely, doing ozone injections, he hide away and didn’…”
— Anna Ace
No referral is required to see a naturopathic doctor. You can schedule directly with our office to begin your journey toward optimal health and longevity.
Insurance coverage for naturopathic services varies by plan. We recommend contacting your insurance provider to verify coverage, and our office can provide documentation for potential reimbursement.
Your initial consultation includes a comprehensive health history review, physical assessment, and detailed discussion of your health goals. Dr. Frey takes time to understand your unique health challenges and develop a personalized treatment plan.
While some consultations may be conducted virtually, many of our specialized therapies like ozone and NAD treatments require in-person visits. Please contact our office to discuss which services can be provided remotely.
Naturopathic medicine focuses on treating root causes rather than just symptoms, using natural therapies to support your body's healing processes. We emphasize prevention and work with you to achieve lasting health improvements through individualized treatment plans.
Free tools for Longevity Health Center patients — no login required.
Insurance Reimbursement
Upload your superbill → AI checks every field → submission-ready claim packet. Recover $300–500.
Food Sensitivity Guide
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Supplement Reminders
Set up daily SMS reminders for your supplement protocol. Reply YES when done.
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