St. Mary’s Health System Welcomes Two New Primary Care Providers

St. Mary's Health System is pleased to welcome Adam Alter, MD, and Shariam Casiano Vega, MD, to its expanding primary care team. Both physicians bring strong clinical backgrounds and a shared focus on delivering comprehensive, patient-centered care to individuals and families in the Lewiston-Auburn area.

Dr. Alter earned his medical degree magna cum laude from the University of Missouri-Columbia School of Medicine, where he also completed dual bachelor's degrees in Biology and Chemistry. He completed his Internal Medicine residency at Providence Portland Medical Center in Oregon and a fellowship in Pulmonary and Critical Care Medicine at the Cleveland Clinic. Dr. Alter is board-certified in Internal Medicine, Pulmonary Medicine, and Critical Care Medicine and previously served as Medical Director of Critical Care Ultrasound at Maine Medical Center and Assistant Professor of Medicine at Tufts University.

Dr. Casiano Vega completed her Family Medicine Residency at Central Maine Medical Center. She earned her Doctor of Medicine from the University of Medicine and Health Sciences in St. Kitts and Nevis and her Bachelor of Science in Industrial Microbiology from the University of Puerto Rico at Mayagüez. Fluent in English and Spanish, she has professional interests in preventive and integrative medicine and women's health.

St. Mary's primary care practices are part of a full spectrum of health services offered through St. Mary's Health System, including specialty care, behavioral health, rehabilitation, and hospital-based services, all designed to meet the needs of patients at every stage of life.