John Mark Gubatan MD

Dr. John Gubatan is a physician scientist, gastroenterologist, and instructor of medicine at Stanford University School of Medicine. He graduated summa cum laude in biochemistry and molecular biology from Michigan Tech where he was a Goldwater Scholar. He earned his medical degree from Harvard Medical School and completed his internship and residency in internal medicine at Harvard's Beth Israel Deaconess Medical Center. He completed his gastroenterology fellowship at Stanford where he served as chief fellow and was an American Gastroenterological Association (AGA) editorial fellow for Gastroenterology.

Dr. Gubatan’s research is focused on translational studies using single-cell genomics to understand mechanisms of biologic therapy failure, elucidate  the role of host immune and gut microbiome interactions in the pathogenesis of inflammatory bowel disease (IBD), and develop precision medicine strategies to improve outcomes in patients with IBD. Dr. Gubatan’s work has been featured in Gastroenterology, Gut, American Journal of Gastroenterology, Clinical Gastroenterology and Hepatology, Alimentary Pharmacology and Therapeutics, Journal of Crohns & Colitis, and Inflammatory Bowel Diseases. Dr. Gubatan's research and career development has been supported by a Chan Zuckerberg Biohub Physician Scientist Scholar Award, a Stanford Translational Research and Applied Medicine (TRAM) Scholar Award, an NIH NIDDK LRP Award, and a Doris Duke Charitable Foundation Physician Scientist Fellowship Award.