Peconic Bay Medical Center – Riverhead

The entrance to Peconic Bay Medical Center in Riverhead serves residents and visitors throughout eastern Long Island. As part of the Northwell Health system, the hospital provides emergency care, surgery, cardiovascular services, cancer treatment, women's health, and a wide range of inpatient and outpatient medical services for communities across the East End.
The entrance to Peconic Bay Medical Center in Riverhead serves residents and visitors throughout eastern Long Island. As part of the Northwell Health system, the hospital provides emergency care, surgery, cardiovascular services, cancer treatment, women’s health, and a wide range of inpatient and outpatient medical services for communities across the East End. File photo: Ray Larsen, licensed.

Peconic Bay Medical Center is a full-service community hospital located in Riverhead on Long Island’s North Fork. As part of Northwell Health, the hospital provides emergency care, inpatient and outpatient services, surgery, cancer care, cardiovascular medicine, women’s health, orthopedics, rehabilitation, and numerous specialty medical services for residents and visitors across the East End. Its central location makes it an important healthcare provider for communities throughout eastern Suffolk County.

Originally established in 1951 as Central Suffolk Hospital, the facility has expanded over the decades to meet the growing healthcare needs of the region. Today, Peconic Bay Medical Center combines community-based care with access to the specialists, research, and resources available through the Northwell Health network. Patients requiring highly specialized treatment can receive coordinated care with physicians and hospitals throughout the system while remaining close to home whenever possible.

Medical Services

Peconic Bay Medical Center offers comprehensive medical and surgical care across numerous specialties. Services include emergency medicine, general surgery, orthopedics, cardiology, cancer care, diagnostic imaging, women’s health, maternity care, gastroenterology, pulmonology, rehabilitation, laboratory services, wound care, behavioral health, and outpatient specialty clinics. The hospital also provides preventive health programs and physician practices serving communities throughout eastern Long Island.

Emergency Department

The hospital operates a 24-hour emergency department that treats a wide variety of illnesses and injuries, including cardiac emergencies, stroke symptoms, respiratory conditions, fractures, infections, and traumatic injuries. Emergency physicians, nurses, imaging specialists, and laboratory personnel work together to provide rapid diagnosis and treatment while coordinating transfers when highly specialized care is required.

Cancer and Cardiovascular Care

Peconic Bay Medical Center provides comprehensive cancer care through medical oncology, infusion therapy, diagnostic services, and coordinated treatment planning. Cardiovascular services include diagnostic testing, cardiac rehabilitation, vascular care, and consultation with specialists throughout the Northwell Health system. These services allow many East End residents to receive advanced treatment closer to home while maintaining access to larger tertiary care centers when necessary.

Women’s Health and Maternity Services

The hospital provides obstetric, gynecologic, maternity, and newborn care for families throughout eastern Long Island. Women’s health services include preventive care, minimally invasive gynecologic surgery, breast health, imaging, prenatal care, labor and delivery, and postpartum support.

Patients and Visitors

The hospital campus includes physician offices, outpatient treatment areas, diagnostic imaging, rehabilitation facilities, and patient support services. Patients should verify appointment locations, parking instructions, and current visitor policies before arriving, as individual departments may have separate entrances or registration requirements.

Location and Transportation

Peconic Bay Medical Center is located on Roanoke Avenue in Riverhead, near the junction of Old Country Road, Route 25, and the eastern end of the Long Island Expressway. Its location makes the hospital easily accessible from communities across the North Fork, South Fork, and central Suffolk County.


Peconic Bay Medical Center


Hospital Information

HospitalPeconic Bay Medical Center
LocationRiverhead, New York
Healthcare SystemNorthwell Health
CountySuffolk County
Originally Opened1951 (as Central Suffolk Hospital)
Emergency Services24-hour Emergency Department
Major ServicesEmergency care, surgery, cardiology, cancer care, orthopedics, women’s health, rehabilitation, imaging, and specialty medicine

Peconic Bay Medical Center plays an essential role in providing healthcare for residents and visitors across the East End of Long Island. Its combination of emergency services, specialty medical care, surgical programs, and access to the broader Northwell Health network makes the Riverhead campus one of the region’s most important community hospitals.

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