Introducing Mather Medical Group

Mather Hospital is proud to announce the changing of the name of its physician practices from Harbor View Medical Services, PC to Mather Medical Group. This decision isn’t just about a name change; it’s about aligning ourselves more closely with the esteemed reputation of Mather Hospital and Northwell Health. Mather Hospital stands tall as a…

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Meet new sleep specialist Dr. Christine Nwaiser

The Mather family is thrilled to welcome Christine Nwaiser, MD to Mather Medical Group as a Sleep Medicine physician. Dr. Nwaiser, from East Islip, completed her bachelor’s degree at Stony Brook University. She received her medical degree from the American University of Antigua College of Medicine, and an Internal Medicine residency and Sleep Medicine fellowship…

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Welcoming new Mather neurologists

The Mather family is delighted to welcome two new neurologists, Dr. Shayna Yvonne Sanguinetti and Dr. Boris Chulpayev. Both physicians practice at Northwell Health Physician Partners at Port Jefferson. Get to know the doctors: Dr. Shayna Sanguinetti is a native of Brooklyn, NY.  She received her undergraduate degree with the Macaulay Honors College at the…

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Third-year Mather Gastroenterology fellow heads study on Barrett’s esophagus in women

Third-year Mather Gastroenterology fellow heads study on Barrett’s esophagus in women Karina Fatakhova, MD, a third-year fellow in Mather Hospital’s Gastroenterology Fellowship Program, was published in the journal Gastroenterology & Endoscopy News for her work investigating the recent rise in females of Barrett’s esophagus, a disease typically associated with males. “The rise in Barrett’s among…

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Mather Hospital welcomes new chair of Psychiatry

Dr. Erin Dainer has joined joining Mather Hospital as our new chair of Psychiatry. She succeeds Dr. Donna Donoghue, who helped guide the department through COVID and was instrumental in our rapid conversion to telehealth services to ensure that we were able to continue to meet our patients’ needs. Dr. Donoghue is staying with Mather…

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Mather’s GME Program graduates latest class of medical residents

Congratulations to our medical residents and hematology/oncology fellow on their recent graduation and best of luck in your new assignments! Mather’s Graduate Medical Education program celebrated residents completing their residencies in the  Internal Medicine, Transitional Year, Diagnostic Radiology, Interventional Radiology, Psychiatry and the hematology/oncology fellowship programs with a ceremony at the Port Jefferson Village Center…

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Harbor View Internal Medicine welcomes new physician

Dr. Janson joined our Harbor View Internal Medicine at East Setauket practice. Originally from Stony Brook, Dr. Janson graduated from Ward Melville High School.  He received his undergraduate degree from Colgate University. After college, he worked as a data research manager at Monter Cancer Center in New Hyde Park, NY. Dr. Janson received his medical…

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New colorectal surgeon joins Mather General Surgery

Joseph Bornstein, MD, has joined Mather General Surgery, a practice of Harbor View Medical Services. Double board certified in general and colon and rectal surgery, he has joined Mohamad Abouzeid, MD at the practice, located at 70 North Country Road, Port Jefferson. Dr. Bornstein has expertise in minimally invasive and robotic surgical techniques and specializes…

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