Early Medical | 7,488 followers on LinkedIn. Being early matters. | Peter Attia, M.D. is a Stanford, John Hopkins, and NIH-trained physician focused on the applied science of longevity. For the past 10 years, Peter and his team of experts have devoted their lives to demystifying the science of longevity. Through private practice, his team has helped patients navigate the latest research on longevity and put it into action.