Meet our General Surgeons

Randall E. Schrager, MD FACS

Dr. Schrager graduated from Thomas Jefferson University School of Medicine in 1988 and achieved his Board Certification by the American Board of Surgery in 1994. He is a Fellow of the American College of Surgeons as well.


Dr. Schrager has held positions as the Vice President of Medical Staff at St. Charles Hospital, Director of Surgery at John T. Mather Memorial Hospital from 2003-2014, President of the Medical Staff and Chairman of the Medical Board of John T. Mather Memorial Hospital throughout his career. He is an active member of the Physician Advisory Committee for the Fortunato Breast Center. He is the current Director of Surgery at John T. Mather Memorial Hospital and holds privileges at St. Charles Hospital and St. Catherine of Siena Medical Center as well. 


Dr. Schrager  holds the honor as being a recipient of the distinguished "Theodore Roosevelt Award" for outstanding dedication to the community. He has been serving the community for over 25 years with his surgical expertise.





Andrew N. Zeniou, MD FACS

Dr. Zeniou received his Doctorate of Medicine from Creighton University School of Medicine in 1989. He has held the positions of Chief Resident in General Surgery at Stony Brook University Hospital,  Director of SICU for the VA Medical Center in Northport early in his career and Chief of General Surgery at St. Charles Hospital for several years. He achieved his Board Certification by the American Board of Surgery in 1995.  He is a Fellow of the American College of Surgeons as well.


Dr. Zeniou is well versed in advanced laparoscopic surgeries such as colon resection, gallbladder removal and hernia repair. He is affiliated with multiple hospitals in the area including John T. Mather Memorial Hospital, St Charles Hospital and Rehabilitation Center and St. Catherine of Siena Medical Center.


Dr. Zeniou is a native New Yorker and has been serving his community for almost 30 years.

Colleen McCloy, MD FACS

Dr. McCloy, also known as "Corky" McCloy, grew up in rural Texas. After attending the University of Texas Medical School in Houston, she completed her Surgical Residency at the Ochsner Medical Foundation in New Orleans and became Board Certified by the American Board of Surgery in 2002. She is a Fellow of the American College of Surgeons.


Dr. McCloy returned to Long Island in 1999 and has been an Attending General Surgeon at both John T. Mather Memorial Hospital and St. Charles Hospital and Rehabilitation Center for almost 20 years. She is an active member of the Breast Program Leadership Committee and participates in the Breast Cancer Conferences held at John T. Mather Memorial Hospital.