- Mon to Fri: 9:00 AM – 6:00 PM | Sat and Sun: Closed
Dr. Guillermo Castillo brings a uniquely comprehensive approach to healthcare, blending his extensive experience in precision medicine, nutrition, and aesthetics with a passion for transforming patient care and improving health outcomes. With a deep commitment to holistic and patient-centered healthcare, Dr. Castillo approaches each patient interaction as an opportunity to provide personalized, evidence-based care. His dedication to enhancing overall wellness through cutting-edge medical practices and a thorough understanding of the body’s intricate systems reflects his unwavering drive to improve the quality of life for his patients.
As a committed advocate for reducing healthcare disparities, Dr. Castillo’s approach is rooted in empathy and inclusivity, striving to make high-quality healthcare accessible to all individuals, regardless of their background. He believes that healthcare should be a partnership between the provider and the patient, where trust, transparency, and compassion play pivotal roles in achieving optimal health outcomes. Dr. Castillo combines his clinical expertise with a forward-thinking perspective on the role of physicians in enhancing the patient experience, always seeking innovative ways to address the unique needs of each patient.
In addition to his clinical work, Dr. Castillo is also passionate about advancing the field of healthcare through continuous learning, research, and collaboration with other experts in his field. His commitment to precision medicine allows him to tailor his treatments to each patient’s unique genetic makeup, lifestyle, and health goals, ensuring that every approach is as effective and personalized as possible. He is a firm believer in the power of nutrition as a foundational element of health, recognizing its impact on both physical and mental well-being. By integrating nutrition and aesthetic care into his practice, Dr. Castillo provides a holistic approach that empowers patients to feel their best from the inside out.
Dr. Castillo’s work extends beyond his immediate practice, as he is actively involved in various initiatives aimed at educating the community about the importance of preventative health and wellness. His vision is to inspire a proactive approach to health that emphasizes the importance of lifestyle choices, regular medical checkups, and informed healthcare decisions. Through his dedication, knowledge, and compassionate approach, Dr. Castillo continues to make a positive difference in the lives of his patients and the broader healthcare community.
Having practiced in the evolving fields of aesthetics and regenerative medicine since 2006, Dr. Castillo has gained extensive experience over his career. Serving as Medical Director for several leading medical spas across California, including Beauty Lounge Medical Spa and E-Med Spa, he has been at the forefront of aesthetic innovation. His focus remains on helping individuals reach their health potential through personalized, cutting-edge treatments. Dr. Castillo’s commitment to excellence and patient satisfaction is reflected in his approach, which combines a compassionate demeanor, a detail-oriented perspective, and a profound understanding of health, beauty, and well-being.
Dr. Castillo’s expertise extends beyond aesthetics. He has held significant leadership roles across various healthcare areas, including hospice care, urgent care, and healthcare technology. His career includes positions such as CEO, Chief Medical Informatics Officer, and President of WithHealth Medical Group. These roles have allowed him to impact healthcare on multiple levels, enhancing both individual patient care and broader healthcare systems. His dedication to innovation, communication, and collaborative problem-solving has established him as a visionary leader committed to fostering positive changes in patient outcomes and physician practices.
In addition to his leadership roles, Dr. Castillo holds active medical licenses in California, New York, and Virginia, enabling him to serve diverse patient populations. His education reflects his commitment to professional excellence. He completed a Family Medicine Residency at UCSD Medical Center, building a strong foundation in patient-centered care and preventive medicine. He further advanced his skills by earning a Doctor of Medicine degree from the USC Keck School of Medicine, one of the country’s top institutions. His journey began with a Bachelor’s in Nutrition Science from UC Davis, enriching his holistic approach to wellness and equipping him to advise patients on lifestyle changes that support long-term health.
Beyond his formal roles, Dr. Castillo is passionate about improving healthcare delivery and education within his community. He strongly believes in mentorship, dedicating time to guide young professionals in the medical field. His vision includes empowering healthcare providers with technical expertise and interpersonal skills necessary for compassionate, high-quality care. Whether working directly with patients or influencing policies, Dr. Castillo’s impact is significant and inspiring. His dedication to setting new standards for excellence continues to make a positive difference in the lives of his patients and peers.
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Mahdis Pedram, BSN, RN, is a skilled and compassionate med spa practitioner and registered nurse. Mahdis sees clients ages 18 and older at Artem Med Spa, an outstanding med spa in San Diego, California.Mahdis has dedicated over 15 years of her life to the noble field of midwifery….
