Our areas of expertise
Orthopedics
Our commitment to excellence in orthopedic care reinforces our reputation as a leader in the field.
Bariatric Surgery
Ranked among the best hospitals in the nation by Healthgrades for bariatric surgery.
Heart Care
Our expert team provides advanced, compassionate heart care close to home.
Neurosciences
A collaborative approach to providing care for brain and spine conditions.
Elevating Care Beyond Expectations
We’re elevating care beyond expectations by combining compassionate, personalized care with nationally recognized clinical experience. Ranked in the top 5% of hospitals nationwide by Healthgrades and consistently earning five stars from Medicare for quality care, Mather Hospital goes above and beyond to deliver exceptional outcomes for you.
With 23 ‘A’ grades in patient safety from The Leapfrog Group and Magnet® recognition for nursing excellence, Mather Hospital is recognized for care that meets the highest standards. As part of Northwell Health, we connect you to top specialists, bringing the best care right to your neighborhood—exceeding expectations and raising the health of our community.
In the News
Frey Family Emergency Department Virtual Tour
Mather Hospital is reimagining emergency care for our community. Take a virtual tour of our new state-of-the-art Emergency Department. Built from the ground up, this 29,000 square foot facility is equipped to provide exceptional care to our community!
Mather Hospital recognized by Healthgrades for clinical excellence
November 10, 2025Northwell’s Mather Hospital announced today it has been recognized as one of America’s 100 Best Hospitals for pulmonary care, critical care and coronary intervention procedures. These distinctions place Mather among the top five percent of hospitals in the nation for these procedures. “These awards are not just statistics; they a ...
Dickens Festival returns to Port Jefferson Dec. 6-7
November 6, 2025Strolling costumed characters and carolers will once again transform Port Jefferson into a living Dickens stage for the 29th annual Charles Dickens Festival Dec. 6-7, 2025. Presented by Northwell’s Mather Hospital, The Port Jefferson Arts Council’s popular holiday festival attracts visitors from across the country and ...
Mather Hospital recognized by Healthgrades for clinical excellence
November 10, 2025Northwell’s Mather Hospital announced today it has been recognized as one of America’s 100 Best Hospitals for pulmonary care, critical care and coronary intervention procedures. These distinctions place Mather among the top five percent of hospitals in the nation for these procedures. “These awards are not just statistics; they a ...
Mather Hospital recognized by Healthgrades for clinical excellence
November 10, 2025Northwell’s Mather Hospital announced today it has been recognized as one of America’s 100 Best Hospitals for pulmonary care, critical care and coronary intervention procedures. These distinctions place Mather among the top five percent of hospitals in the nation for these procedures. “These awards are not just statistics; they a ...
Dickens Festival returns to Port Jefferson Dec. 6-7
November 6, 2025Strolling costumed characters and carolers will once again transform Port Jefferson into a living Dickens stage for the 29th annual Charles Dickens Festival Dec. 6-7, 2025. Presented by Northwell’s Mather Hospital, The Port Jefferson Arts Council’s popular holiday festival attracts visitors from across the country and ...
Our Commitment to Excellence is Reflected in Our Achievements
As one of Americas 250 Best Hospitals, we’re setting a new standard for quality care nationwide.
Superior clinical outcomes and exceptional patient experience.
Our 23rd top ‘A’ grade for our commitment to patient safety.
Rated as high performing by U.S. News & World Report.
Recognized for quality patient care, nursing excellence and innovations in professional nursing practice.