Sean Michael Penwell, MD, is the founder of Healthstar, a lifestyle medicine practice that applies the principles of exercise as medicine to help patients reach optimal levels of health and fitness. The focus of the practice is to prevent and reverse disease, increase cardiorespiratory fitness, and improve body composition. 

He brings a unique perspective as both a licensed physician and a personal trainer with over 10,000 client training hours.

Dr. Sean Michael received his medical degree from Harvard Medical School and is licensed to practice medicine in Arizona (75200), California (A121260), and Hawaii (MD-21564). He currently resides in Phoenix, AZ.