Mather Hospital is a 248-bed community teaching hospital and a recognized leader in outstanding patient care and clinical quality.  Since it opened its doors in 1929 as the first general hospital in the Town of Brookhaven, Mather Hospital’s legacy of excellence and innovation in health care has earned regional and national recognition.

Mather has received the top five-star rating from the Centers for Medicare & Medicaid Services for patient experience, safety, and timely and effective care measures two years in a row and was designated one of the Top 250 hospitals in the nation by Healthgrades for 2023 and 2024. Mather also has earned Magnet® designation for nursing excellence from the American Nurses Credentialing Center three times as well as 21 top A grades for patient safety from the Leapfrog Group in the fall 2024 ratings, the most of any hospital in Suffolk County. Leapfrog is a national nonprofit organization driving a movement for giant leaps forward in the quality and safety of American health care. These prestigious acknowledgments recognize Mather Hospital’s quality and patient and staff satisfaction. Mather consistently ranks among the top Long Island hospitals for overall recommended care and patient satisfaction, according to the HCAHPS patient survey.