Stony Brook Eastern Long Island Hospital provides exceptional healthcare close to home.

Accredited by The Joint Commission and numerous nationally and internationally recognized accrediting organizations, SBELIH is committed to delivering the highest standards of quality and patient safety. Our board-certified physicians represent a wide range of specialties, while our experienced nurses and clinical staff bring advanced certifications, specialized training, and compassionate care to every patient interaction.

American Heart Association: Get With The Guidelines®-Rural Stroke Bronze
Centers for Medicare and Medicaid Services: 5-Star Quality Rating
Healthcare Equality Index (HEI): LGBTQ+ Healthcare Equality Leader 2026
The Joint Commission: Primary Stroke Center Designation
Healthgrades: Stony Brook Medicine named one of America’s 50 Best Hospitals for 2026
The Joint Commission: Hospital Accreditation
The Joint Commission: Behavioral Health Opioid Treatment Accreditation Program
The Joint Commission: Laboratory Accreditation
Office of Mental Health: Operating Certificate for Hospitals for the Mentally Ill Class – Inpatient Psychiatric Unit of a General Hospital
State of New York Office of Alcoholism and Substance Abuse Services: Chemical Dependence Operating Certificate, Quannacut Outpatient
State of New York Office of Alcoholism and Substance Abuse Services: Chemical Dependence Operating Certificate (Quannacut Inpatient)
New York State Department of Health: Provisional License for Tissue Bank Operation
New York State Department of Health: Clinical Laboratory Permit
New York State Department of Health: Limited Service Laboratory Registration
State of New York Department of Health: Certificate of Registration: Radiation Installation
New York State Department of Health, Bureau of Environmental Radiation Protection: Radioactive Materials License
American College of Radiology (ACR): Nuclear Medicine Accreditation
American College of Radiology (ACR): Computed Tomography Services Accreditation
American College of Radiology (ACR): Ultrasound Accreditation
American College of Radiology (ACR): Magnetic Resonance Imaging Accreditation
American College of Radiology (ACR): Breast Ultrasound Accreditation
New York State Department of Health Controlled Substance License
United States Department of Justice, Drug Enforcement Administration: Controlled Substance Registration Certificate
New York State Department of Health: Opioid Overdose Prevention Program
The University of the State of New York, Education Department, New York State Board of Pharmacy: Registered Pharmacy