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 earning five stars from Medicare for quality care, Mather Hospital goes above and beyond to deliver exceptional outcomes for you.
With 21 ‘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
Mather awarded Advanced Total Hip and Knee Replacement Certification from The Joint Commission
February 13, 2025PORT JEFFERSON, NY – Mather Hospital today announced that it has earned The Joint Commission’s Gold Seal of Approval® for Advanced Total Hip and Knee Replacement Certification by demonstrating continuous compliance with its performance standards. The Gold Seal is a symbol of quality that reflects a healthcare organization’s commitme ...
Northwell’s Mather Hospital recognized National Nurses Week, May 5-12, 2025
May 12, 2025Northwell’s Mather Hospital recognized National Nurses Week, May 5-12, 2025. We honored our nursing staff and expressed our sincere gratitude for the tireless dedication and professional excellence of our nurses. Congratulations to the following nurses who were recognized at the Nurses Week Awards: – DAISY Award – Dawn Lu ...
Grade A: Mather Hospital receives its 22nd top rating for patient safety
May 1, 2025One of 11 Northwell hospitals to receive the top A rating from the Leapfrog Group PORT JEFFERSON, NY – Mather Hospital is one of eleven Northwell hospitals to receive the top patient safety rating from the nonprofit The Leapfrog Group, which evaluates health systems throughout the United States based on safety, quality and transpare ...
Mather awarded Advanced Total Hip and Knee Replacement Certification from The Joint Commission
Mather Hospital today announced that it has earned The Joint Commission’s Gold Seal of Approval® for Advanced Total Hip and Knee Replacement Certification by demonstrating continuous compliance with its performance standards. The Gold Seal is a symbol of quality that reflects a healthcare organization’s commitment to providing safe and quality patient care …
Northwell’s Mather Hospital recognized National Nurses Week, May 5-12, 2025
May 12, 2025Northwell’s Mather Hospital recognized National Nurses Week, May 5-12, 2025. We honored our nursing staff and expressed our sincere gratitude for the tireless dedication and professional excellence of our nurses. Congratulations to the following nurses who were recognized at the Nurses Week Awards: – DAISY Award – Dawn Lu ...
Grade A: Mather Hospital receives its 22nd top rating for patient safety
May 1, 2025One of 11 Northwell hospitals to receive the top A rating from the Leapfrog Group PORT JEFFERSON, NY – Mather Hospital is one of eleven Northwell hospitals to receive the top patient safety rating from the nonprofit The Leapfrog Group, which evaluates health systems throughout the United States based on safety, quality and transpare ...
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 22nd 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.