Meet Dr. Guillermo Castillo – Medical Director at Oak & Stone Wellness and Medspa

Dr. Guillermo Castillo brings a uniquely well-rounded perspective to both the business and delivery of healthcare. Passionate about improving the patient experience while supporting better long-term outcomes, he believes meaningful change in healthcare begins with a more personalized, thoughtful, and patient-centered approach. His work is driven by a commitment to advancing care in ways that support both individual well-being and greater equity within the healthcare system.

With strong foundations in nutrition and a deep interest in the emerging field of precision medicine, Dr. Castillo focuses on helping patients better understand and support their bodies through proactive, integrative care. Since 2006, he has trained and worked in the evolving fields of aesthetics and regenerative medicine, continually exploring innovative therapies that promote healing, vitality, and healthy aging.

Dr. Castillo is committed to helping every patient he encounters move closer to their fullest health potential through education, support, and individualized care. He believes lasting wellness begins with intentional choices, and that a better tomorrow starts with the decisions we make today.