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
Re-envisioning emergency care
January 14, 2025Mather Hospital is looking to redefine emergency care for our community. Our vision is to build an environment that maximizes patients’ privacy and caregiver support, increases process efficiencies and incorporates the best practices for patient and staff safety. Our new Emergency Department will: -Double the size of the current ED to better acco ...
Mather Hospital achieves milestone of 10,000 robotic surgeries
April 9, 2025PORT JEFFERSON, NY – Mather Hospital announced that it has achieved a significant milestone – completing 10,000 robotic surgery procedures using the da Vinci® surgical system – the most of any hospital in Suffolk County. This achievement underscores the hospital’s commitment to providing cutting-edge, minimally invasive surgical c ...
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 ...
Re-envisioning emergency care
Mather Hospital is looking to redefine emergency care for our community. Our vision is to build an environment that maximizes patients’ privacy and caregiver support, increases process efficiencies and incorporates the best practices for patient and staff safety. Our new Emergency Department will: -Double the size of the current ED to better acco …
Mather Hospital achieves milestone of 10,000 robotic surgeries
April 9, 2025PORT JEFFERSON, NY – Mather Hospital announced that it has achieved a significant milestone – completing 10,000 robotic surgery procedures using the da Vinci® surgical system – the most of any hospital in Suffolk County. This achievement underscores the hospital’s commitment to providing cutting-edge, minimally invasive surgical c ...
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 ...
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 21st 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.