Dr. John Andrew Horton, MD
Dr. John Andrew Horton, MD – Biography
Chief Clinical Advisor-Bio/Psycho/Social
Dr. John Andrew Horton is a seasoned physician, author, and thought leader with over five decades of experience in internal medicine, general practice, and preventive care. Based in Westlake Village, California, Dr. Horton is widely respected for his holistic approach to health and his compassionate, patient-centered philosophy.
A graduate of Duke University School of Medicine (Class of 1970), Dr. Horton has dedicated his career to guiding individuals toward optimal wellness—physically, emotionally, and spiritually. As a co-founder of Hanzelik and Horton, MDs, Inc., he has long been a pillar of integrative care in the Westlake Village community.
Beyond his clinical work, Dr. Horton is a published author whose writing bridges the medical and human experience. He is the co-author of The Inner Game of Stress, written with renowned performance coach W. Timothy Gallwey and fellow physician Dr. Edd Hanzelik. The book offers practical tools to master stress and cultivate inner balance.
In his most personal and profound work to date, Good to Go: Five Understandings to Navigate a Peaceful and Elegant Last Chapter of Life, Dr. Horton reflects on decades of clinical wisdom and personal growth to offer readers a guide to facing the end of life with peace, dignity, and clarity.
Dr. Horton is a sought-after speaker on topics ranging from stress resilience to end-of-life care. His work continues to influence clinicians, caregivers, and individuals alike in reimagining what it means to live—and die—well.