PORT JEFFERSON, NY – Robert Giacobbe, DO, has been named Program Director for Mather Hospital’s Internal Medicine (IM) Residency Program. He joined the IM program in 2014 as a clinical supervisor and was appointed Associate Program Director in 2015.

Born and raised in central New Jersey, Dr. Giacobbe came to Long Island in 1986 to attend medical school at the New York College of Osteopathic Medicine. After obtaining his medical degree, he completed a residency in Internal Medicine at NYU/Winthrop University Hospital and joined the Mather Hospital medical staff in 1994.

After 20 years in private practice, Dr. Giacobbe transitioned to Harbor View Medical Services, a subsidiary of Mather Hospital, and has served as Harbor View’s Medical Director since 2016.

Dr. Giacobbe also holds an academic appointment as Assistant Professor of Medicine at the Zucker School of Medicine at Northwell Health and is a Fellow of the American College of Physicians and the Advisory Board Company.

He lives in Setauket with his wife and enjoys cycling and woodworking.  He is the proud father of two daughters, one a registered nurse and the other a graduate student in neuropsychology.




About Mather Hospital

Mather Hospital is an accredited 248-bed, non-profit community teaching hospital dedicated to providing a wide spectrum of high-quality healthcare services to Suffolk County residents, showing compassion, respect and treating each patient in the manner we would wish for our loved ones. Mather has twice earned the prestigious Magnet® recognition from the American

Nurses Credentialing Center (ANCC), which recognizes healthcare organizations for quality patient care, nursing excellence and innovations in professional nursing practice. Mather was rated high performing by U.S. News & World Report hospital rankings in colon cancer, COPD, geriatrics, heart failure, kidney disease, lung cancer surgery, orthopedics, and urology for2021-2022. For further information about Mather Hospital, visit matherhospital.org or follow us @MatherHospital on Facebook.


About Northwell Health
Northwell Health is New York State’s largest health care provider and private employer, with 22 hospitals, 830 outpatient facilities and more than 16,600 affiliated physicians. We care for over two million people annually in the New York metro area and beyond, thanks to philanthropic support from our communities. Our 78,000 employees – 18,900 nurses and 4,900 employed doctors, including members of Northwell Health Physician Partners – are working to change health care for the better. We’re making breakthroughs in medicine at the Feinstein Institutes for Medical Research. We’re training the next generation of medical professionals at the visionary Donald and Barbara Zucker School of Medicine at Hofstra/Northwell and the Hofstra Northwell School of Nursing and Physician Assistant Studies. For information on our more than 100 medical specialties, visit Northwell.edu and follow us @NorthwellHealth on Facebook, Twitter, Instagram and LinkedIn.