Chelation Doctors
Meet Our Team
Dr. Sergio A. Sobredo
Dr. Sergio A. Sobredo is the Founder and Medical Director of Chelation Doctors. With more than 30 years of experience as an Emergency Room physician and over 40 years as a board-certified Family Medicine physician, Dr. Sobredo brings decades of clinical expertise to the field of integrative and regenerative medicine.
For more than 15 years, he has focused on functional medicine, helping patients identify and address the root causes of chronic illness and toxic burden. Dr. Sobredo is ACAM Certified in Chelation Therapy, certified in Ozone Therapy, IV Therapy trained in the United Kingdom, and certified in IV Ketamine Therapy. He is also a member of the Institute for Functional Medicine and is licensed to practice medicine in five states.
Through Chelation Doctors, Dr. Sobredo leads a growing network dedicated to safe, medically guided chelation therapy and advanced wellness treatments.
Donna Sobredo
Donna Sobredo is a clinic owner and operator with a background in business management and more than 30 years of customer service and leadership experience. Passionate about holistic, regenerative, and functional wellness, Donna plays a key role in the growth and operations of Chelation Doctors.
Her dedication to patient experience, clinic development, and compassionate care helps ensure that every client and affiliate clinic receives exceptional support throughout their wellness journey. Donna’s vision and operational leadership continue to help expand access to advanced integrative therapies through the Chelation Doctors network.
Yanai Calderon, FNP-C
Yanai D. Calderon, MSN, APRN, FNP-C, serves in Clinical Operations & Program Development for Chelation Doctors, bringing over 19 years of experience in emergency medicine, patient care, and wellness-focused clinical operations. Passionate about preventive, root-cause, and longevity-focused medicine, she has pursued advanced training in integrative and regenerative therapies focused on health optimization and longevity.
Yanai is certified in Ozone Therapy, IV Nutrient Therapy, Peptide Therapy, Hormone Management, and ACAM Chelation Therapy, and is a member of the American Academy of Anti-Aging Medicine. She supports clinical education, protocol development, onboarding, and operational systems across the Chelation Doctors network, helping advance standardized, patient-centered wellness care through evidence-based integrative therapies.
Bernardo Valero, ND
Dr. Bernardo “Bernie” Valero is a naturopathic physician specializing in regenerative, holistic, and root-cause medicine. Passionate about helping patients restore health naturally, Dr. Valero combines modern science with integrative healing approaches to support long-term wellness.
He is ACAM Certified in Chelation Therapy and has developed specialized detoxification protocols focused on mercury and heavy metal toxicity. Dr. Valero is dedicated to educating patients on the connection between toxic burden, inflammation, and chronic disease while guiding them through personalized healing strategies.