iThriveMD - Mission Valley

Dr. Thomas Macsay, ND, is a licensed naturopathic doctor and Vice President of Clinical Operations at iThriveMD, where he leads integrative health initiatives focused on optimizing patient outcomes. With a clinical emphasis on regenerative medicine, pain management, and hormone optimization, Dr. Macsay combines evidence-based naturopathic therapies with advanced biomedical approaches to support whole-body wellness. Dr. Macsay earned his Doctor of Naturopathic Medicine degree from Pacific College of Health and Science in San Diego. His practice integrates modalities such as nutrient and peptide therapies, IV infusions, and functional movement assessments to address the root causes of health concerns. His areas of expertise include men’s health, metabolic optimization, chronic pain, and performance enhancement. Beyond his clinical role, Dr. Macsay is an entrepreneur and product formulator with a background in herbal medicine, mycology, and plant-based therapeutics. He has contributed to the development of wellness products and serves as a consultant in the CBD and natural health industries. His work reflects a deep commitment to bridging traditional healing practices with modern science. Dr. Macsay is also passionate about education and community engagement. He frequently shares insights on integrative health, plant medicine, and lifestyle optimization through speaking engagements and media platforms. Outside the clinic, he enjoys exploring nature, practicing yoga, and engaging in creative pursuits that align with his holistic philosophy.

Dr. Samir Damani, MD, PharmD, MS, is an esteemed cardiologist with over 15 years of expertise in combining traditional cardiovascular medicine with advanced digital health and genomic technologies to deliver personalized patient care. Recognized for his innovative approach, Dr. Damani emphasizes comprehensive care that integrates genetics, family history, and lifestyle factors, significantly transforming cardiovascular health management. Dr. Damani has led extensive research initiatives sponsored by the National Institutes of Health (NIH) and published numerous influential articles in prestigious scientific journals. As a patent holder of groundbreaking healthcare technologies, he has successfully founded multiple ventures aimed at improving population health outcomes. A sought-after international speaker on cardiovascular prevention and treatment, Dr. Damani remains passionately committed to developing and advocating for advanced therapies that profoundly improve patient health and quality of life. He earned his Doctorate in Pharmacy from the University of Georgia, followed by his Doctorate in Medicine from Georgia Health Sciences University. Additionally, he holds a Master's degree in Clinical Investigation from The Scripps Research Institute. Dr. Damani completed his specialized medical training at the renowned Scripps Clinic in San Diego, where he currently serves as a clinical instructor at the University of California, San Diego School of Medicine.

Dr. John Christianson, ND, is a licensed naturopathic physician practicing in California, Montana, and Arizona. With a longstanding passion for both holistic and evidence-based approaches to medicine, Dr. Christianson began his healthcare journey through bodywork, gaining a practical understanding of anatomy and physiology. He pursued his undergraduate education at the University of Arizona, graduating summa cum laude with a degree focused on Human Health. During his undergraduate studies, Dr. Christianson discovered naturopathic medicine, finding it to be the ideal intersection of conventional and natural therapeutic methods. He furthered his education by earning his Doctorate in Naturopathy from Southwest College of Naturopathic Medicine in Tempe, Arizona. Dr. Christianson’s clinical specialties include men’s and women’s health, sports medicine and rehabilitation, weight management, and anti-aging therapies. He is committed to providing personalized care that addresses the root causes of health issues, optimizing wellness and quality of life for his patients.

Dr. Jordan Valdez, ND, RD, is a dedicated naturopathic doctor and registered dietitian specializing in women's health and hormonal balance. Her personal health journey sparked her passion for understanding the body's complex systems and optimizing health through natural, integrative methods. Dr. Valdez earned her bachelor's degree in Nutrition from the University of Texas at Austin and completed the university’s esteemed Coordinated Program in Dietetics to become a Registered Dietitian. Inspired by her deep affinity for natural medicine, she further pursued a Doctorate in Naturopathic Medicine from Bastyr University in San Diego. With extensive clinical experience and advanced training, Dr. Valdez provides specialized care for menstrual disorders, preconception planning, menopause support, hypothyroidism, metabolic health, and digestive wellness. Her integrative approach includes functional laboratory testing, personalized nutrition and lifestyle counseling, and targeted nutritional and botanical supplementation. Clients appreciate Dr. Valdez’s compassionate care, feeling genuinely heard, respected, educated, and empowered to take charge of their health. Driven by her conviction in natural medicine as a pathway to holistic wellbeing, she serves as a dedicated advocate and trusted healthcare ally. In her free time, Dr. Valdez enjoys traveling, exploring nature, deepening her study of natural medicine, practicing hot yoga, and fostering connections with like-minded individuals.

Dr. Joseph Shum, ND, is a licensed Naturopathic Doctor practicing in California, dedicated to guiding patients toward optimal health by addressing the underlying factors that influence healing. With a foundational background in Neurobiology and Physiology, Dr. Shum employs an evidence-based, personalized approach designed to enhance the body’s inherent self-repair mechanisms. Dr. Shum emphasizes reducing barriers to wellness and providing targeted nutritional support, uniquely tailored to each individual's biological needs. His methodical approach aims to eliminate confusion and overwhelm caused by generic health advice, prioritizing sustainable, long-term solutions over symptom suppression. Patients seeking care from Dr. Shum can expect clarity, confidence, and results-oriented strategies, thoughtfully aligned with their health goals, time, and resources. Dr. Shum’s philosophy focuses on fostering the conditions necessary for true healing, empowering his patients to achieve and maintain robust health and well-being.

Dr. Bianca Despotides, ND, is a licensed and board-certified naturopathic physician practicing in San Diego, California. With a lifelong passion for learning and healing, she integrates ancient wisdom with modern science to provide comprehensive, patient-centered care. Dr. Despotides focuses on identifying and addressing the root causes of health issues, aiming to restore balance and promote optimal wellness. Her clinical interests encompass a wide range of health concerns, including hormonal imbalances, digestive disorders, and chronic conditions. By combining evidence-based natural therapies with personalized treatment plans, Dr. Despotides empowers her patients to take an active role in their health journey. Dr. Despotides is affiliated with iThriveMD, a premier wellness and hormone clinic dedicated to personalized, integrative healthcare. She is currently accepting new patients and offers both in-person and telehealth consultations.