| Peconic Surgical Group was
established in 1994 by Dr. Leslaw Gredysa.
Since the beginning, the goal for the
practice was to provide excellent and
compassionate surgical care to those in need
on eastern Long Island. The practice was
joined by Dr. George Keckeisen in
1997, Dr. Agostino Cervone in 1999.
The surgeons at Peconic Surgical Group
are highly trained and qualified individuals
whom have completed their residences in
general surgery at prestigious programs
throughout the United States. In addition,
Dr. Gredysa and Dr. Keckeisen
have completed vascular fellowships,
Dr.Gredysa at St. Francis Hospital and Heart
Center at Roslyn on Long Island and Dr.
Keckeisen at Westchester County Medical
Center, New York. All practice doctors are
Board Certified.
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