Greg Hammer, MD

Greg Hammer, MD, is a recently retired professor at Stanford University School of Medicine, pediatric intensive care physician, pediatric anesthesiologist, mindfulness expert, and the author of GAIN without Pain: The Happiness Handbook for Health Care Professionals.

A former member of the Stanford WellMD initiative, Dr. Hammer has served as the Chair of the Physician Wellness Task Force for the California Society of Anesthesiologists. He has been a visiting professor and lecturer on wellness at institutions worldwide and taught the GAIN method to medical students, residents, and fellows at Stanford and elsewhere.

Dr. Hammer’s clinical focus has been in pediatric cardiac anesthesia and pediatric critical care medicine. His research has centered on developmental pharmacology and immunology. He has published widely on topics related to pharmacology and perioperative care of children undergoing cardiac and thoracic procedures as well as organ transplantation. Dr. Hammer is a health enthusiast and meditator, utilizing a non-duality and mindfulness-based approach, including the GAIN method. 

Dr. Hammer has been featured on many TV, radio and podcast programs across the US in which he discusses a wide range of topics related to physical and spiritual health.