Building a solid reputation of excellence
Our Vision
Mederi Center is a beacon of hope and healing, empowering individuals to reclaim their vitality and achieve holistic wellness. We believe in a holistic, personalized approach that addresses the physical, emotional, and spiritual aspects of chronic illness and cancer.
Our Mission
We provide a whole-systems approach to treating cancer, chronic illnesses, and promoting longevity through:
- Integrative Cancer Care: Combining naturopathic medicine, traditional wisdom, and conventional treatment for improved outcomes.
- Botanical Medicine: Utilizing plants with therapeutic properties to support healing and restore balance.
- Clinical Nutrition & Dietary Medicine: Empowering patients to make informed dietary choices for wellness.
- Spiritual Care: Addressing the emotional and spiritual needs of patients through mindfulness, energy work, and guided meditations.
Our Expertise
Our team of experienced clinicians, researchers, and healers includes:
- Donnie Yance, MH, CN: Founder and Clinical Master Herbalist with over 30 years of experience.
- Susan Saccomanno, ND, LAc: Naturopathic Doctor and licensed acupuncturist.
- Michael Hummel, ND: Naturopathic Doctor specializing in nutrition and cancer care.
- Oscar Sierra: Certified Herbalist and Registered Herbalist.
- Gloria Schwartz, ND: Experienced naturopathic doctor specializing in women's health.
Our Approach
We utilize the Eclectic Triphasic Medical System (ETMS), a unique approach that integrates conventional medicine with traditional wisdom and holistic practices. Our personalized treatments address the individual needs of each patient, focusing on:
- Empowering patients to take an active role in their healing.
- Supporting the immune system to fight off illness.
- Reducing side effects and promoting overall well-being.
Join Us
Mederi Center welcomes those seeking comprehensive, holistic care. Contact us to schedule a consultation and learn how we can help you restore your vitality and achieve lasting wellness.

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