Karissa L Weidman

Karissa L Weidman, MD serves as a Clinical Assistant Professor in the Department of Medicine at Stony Brook University, specializing in Pulmonary Critical Care. She maintains active clinical practice at Stony Brook Medicine locations in Lake Grove (4 Smith Haven Mall, Suite 203) and Commack (500 Commack Road, Suite 203), New York, and is currently accepting new patients with video visit capabilities.

Her clinical expertise centers on diagnosing and managing complex pulmonary disorders and critical care conditions, supported by board certifications in Internal Medicine (2019), Pulmonary Disease (2021), and Critical Care Medicine (2022) from the American Board of Internal Medicine. Dr. Weidman completed her medical training at New York Medical College (2016), followed by Internal Medicine residency at Tufts Medical Center (2019), and Pulmonary/Critical Care fellowship at New York-Presbyterian University Hospital of Columbia and Cornell (2022).

As a physician-scientist in active clinical service, her work focuses on evidence-based treatment of respiratory diseases and critical illness management within Stony Brook Medicine's integrated healthcare system, which includes Stony Brook University Hospital and regional facilities across Long Island.