Meet Our Doctors
Compassionate Experts Dedicated to Your Wellness Journey
Dr. Tonya Fleck, ND
Founder and Medical Director
“It is much easier to prevent a disease than it is to try to reverse it.”
Dr. Fleck founded the Santa Cruz Naturopathic Medical Center in 2009 with a vision to bring truly personalized, integrative healthcare to the Santa Cruz community. With over 20 years of clinical experience, she has become a trusted leader in naturopathic medicine, helping thousands of patients discover their path to optimal wellness.
Education & Training:
- Doctor of Naturopathic Medicine, Southwest College of Naturopathic Medicine
- Bachelor of Science in Psychology, Buffalo State University
- Graduate work in Marriage and Family Therapy
- Specialized training in Bio-Identical Hormone Replacement Therapy
Clinical Specialties:
- Thyroid Optimization
- Hormone Optimization & Bio-Identical Hormones
- Testosterone Replacement Therapy
- Adrenal Fatigue
- Functional Medicine & Root Cause Analysis
- Preventive Medicine & Wellness Optimization
- Autoimmune Conditions
- Depression & Anxiety
Dr. Fleck’s Approach: Dr. Fleck believes in the power of partnership between doctor and patient. She takes time to truly understand each person’s unique health story, combining advanced diagnostic testing with evidence-based natural therapies. Her patients appreciate her thorough, compassionate approach and her ability to explain complex health concepts in understandable terms.
What Patients Say: “Dr. Fleck saved my life. She found the root cause of my chronic fatigue when no other doctor could, and her treatment plan gave me my energy and joy back.” — Sarah M.
Dr. Kaila Sellars, ND
Naturopathic Doctor
Specializing in Integrative Oncology, Men’s Health and PRP
Dr. Sellars believes in using the best of modern medicine combined with holistic, natural therapies to help you achieve full health and vitality. She will tailor a treatment plan that meets you where you are at in your health journey and encourages you to continuously pursue your best self.
Education & Training:
- Doctor of Naturopathic Medicine, National University of Health Sciences
- Bachelor of Science in Biomedical Science
- Residency in Integrative Oncology
- Additional Certification in Platelet Rich Plasma Injections
- Specialized training in Intravenous Nutrient Therapies
Clinical Specialties:
- Cardiovascular health, with comprehensive labs to fully evaluate heart health and inflammation*Gut health, with comprehensive labs including food sensitivities and microbiome testing
- Hormones, including adrenal, thyroid, pre-menstrual, PCOS, and menopause
- Chronic infections and fatigue
- Integrative cancer treatments
- Longevity and wellness, utilizing your unique genetics with 3×4 genetic testing
- Platelet Rich Plasma (PRP), joint and ligament injections, rejuvenation (“O” shot) injections, & microneedling
Dr. Sellars’ Approach: Dr. Sellars believes that healing happens when patients feel truly heard and understood. She combines detailed detective work to uncover root causes with compassionate support throughout the healing process. Her treatment plans are always realistic, sustainable, and tailored to each patient’s unique needs and lifestyle.
Outside of work, you will find Dr. Sellars on the beach with her husky Kylo, playing pickleball or rowing with the Santa Cruz Rowing Club.
What Patients Say: “Dr. Sellars finally figured out my digestive issues after 10 years of suffering. Her gentle approach and practical solutions changed my life.” — Michael T.
Dr. Alexis Farley, ND
Naturopathic Doctor
Specializing in Gut Health & Family Medicine
Dr. Farley’s passion for Naturopathic Medicine stems from her belief in the body’s innate ability to heal itself. Her own journey with chronic health issues fueled her passion for individualized care. She prioritizes listening, understanding your unique story, and thoroughly investigating imbalances. Dr. Farley believes education is key, empowering you with knowledge about your health and the benefits of natural solutions. Recognizing the interconnectedness of mind, body, and spirit, she crafts holistic plans that address the core issues, moving beyond symptom management.
Education & Training:
- Doctor of Naturopathic Medicine, Bastyr University San Diego
- Bachelor of Arts in International Development with a minor in Biology, University of Calgary, BC Canada
- Advanced training in functional medicine, digestive health, women’s health, intravenous nutrient therapy, hormone replacement therapy, biofeedback, craniosacral therapy, and visceral manipulation.
Clinical Specialties:
- Gut Health
- Family Wellness & Preventive Care
- Mental Health Support & Anxiety Management
- Bio-identical Hormone Replacement
- Women’s Health & Hormone Balancing
- Pediatrics and Teenagers
- Mold Toxicity
- Genetic Testing
- Lifestyle Medicine & Nutrition Education
Dr. Farley’s Approach: Dr. Farley creates a safe, welcoming environment for her patients to feel comfortable discussing their health concerns and instills confidence if her ability to support them in optimizing their health.
What Patients Say: “Dr. Farley has been caring for our family for three years. She’s amazing with our kids and has helped us create healthy habits that will last a lifetime.” — Jennifer
Real stories from real people who've transformed their health at SCNMC
What Our Patients Are Saying
Our Dedicated Support Staff
The Heart of Our Practice
Behind every great medical practice is an exceptional support team. Our staff members are the first friendly faces you’ll see and the caring voices you’ll hear when you call. They’re trained not just in administrative excellence, but in creating a warm, healing environment where every patient feels valued and cared for.
Our Front Desk Team: Our patient care coordinators handle scheduling, insurance questions, and ensuring your visit runs smoothly from start to finish. They’re knowledgeable about our services and passionate about helping you navigate your healthcare journey with ease.
Our Clinical Support Team: Our medical assistants work closely with our doctors to ensure you receive comprehensive care. From preparing treatment rooms to assisting with procedures like IV therapy and B12 injections, they’re trained in the highest standards of clinical excellence and patient care.
Our Administrative Team: Behind the scenes, our administrative staff ensures that everything runs seamlessly—from insurance processing to maintaining your health records securely and efficiently.
What Makes Our Staff Special:
Genuine Care: Every team member is genuinely invested in your health and wellbeing
Extensive Training: All staff receive ongoing education in naturopathic principles and patient care
Personal Attention: We remember your name, your health goals, and your preferences
Professional Excellence: Committed to the highest standards of medical office management
Collaborative Spirit: We work as a unified team to support your wellness journey
Finding us is easy – healing shouldn't be complicated.
Conveniently Located in the Heart of Santa Cruz
Visiting us is easy. Healing shouldn’t be complicated. Conveniently located in the heart of Santa Cruz with ample parking.
