Dr. Annelise Yoo Mah-Som

Dr. Annelise Mah-Som is an internal medicine physician who also specializes in medical genetics. She earned her medical degree from Washington University in St. Louis School of Medicine and brings six years of clinical experience to her practice. Her dual expertise allows her to provide comprehensive primary care while also addressing complex genetic conditions and hereditary health concerns.

Dr. Mah-Som practices at Brigham and Women's Hospital in Boston, Massachusetts, where she treats a variety of conditions including severe nausea and vomiting, cannabis hyperemesis syndrome, and hospital-acquired pneumonia. She performs diagnostic procedures such as arterial blood gas analysis and specialized laboratory tests including alkaline phosphatase and ammonia level assessments. Her combined background in internal medicine and genetics enables her to offer both routine medical care and specialized genetic evaluations for patients with complex medical histories.