General Surgery Associates provides exceptional general surgery services in Oswego Hospital's technologically advanced surgery center. Complementing this seven-suite surgery center is its caring and professional team of physicians, nurses, anesthesiologists and other clinical staff, who offer high quality care. General Surgery Associates offer experienced, caring surgeons who provide a complete range of general surgery services.
For your convenience, our general surgeons will see patients in three locations throughout Oswego County.
Seneca Hill Location
Jai Singh, MD
Jeffrey Strain, MD
Duane Tull, MD
Monday - Friday
105 Co. Rte. 45A
Suite 100, Oswego
Areas of Specialty Include:
- Laparoscopic Surgery
For complete guide on how to prepare for your surgery at Oswego Health, you can download our Surgery Center Guide here.
Dr. Singh earned his bachelor of medicine and surgery (MBBS) from Maulana Azad Medical College and his master's of surgery at Vardhman Mahavir Medical College, both are a part of the University in Delhi, India. Dr. Singh served as chief resident during his residency at the Westchester Medical Center/New York Medical College in Valhalla, NY.
Dr. Jeffrey Strain is trained and board-certified in the areas of bariatric surgery, general surgery, and endocrine surgery with over a decade of experience in complex laparoscopy and minimally invasive surgery.
Before joining Oswego Health, Strain practiced in New Jersey where he trained and adopted robotic surgery to further enhance his procedures at both Englewood Health and Bergen Bariatric Laparoscopic Associates.
Dr. Strain earned his medical degree from Case Western Reserve University School of Medicine in Cleveland, OH in 1992 and his Bachelor of Arts with a major in Psychology and Biology from the University of Rochester in NY in 1987. Also, Strain completed an extensive post-graduate training program which consisted of a Laparoscopic Surgery Fellow – Colorectal Surgery at Mount Sinai Medical Center in 2001; a Registrar – Cardiothoracic Surgery at Sir Charles Gairdner Hospital in Perth, Australia in 2000; Senior Registrar – General Surgery at Royal Perth Hospital in Perth, Australia in 2000; Endocrine Surgery Fellow at Mount Hospital in Perth, Australia in 1998; Chief Resident – General Surgery at the University Hospitals of Cleveland in 1997; Resident – General Surgery at the University Hospitals of Cleveland in 1996.
Recognized by New Jersey Magazine as a “Top Doc”, in addition to performing surgery for the past twenty years, Strain holds an active professorship at the Third Xiangya Hospital in Changsha, Hunan Province, China; International Examiner for the Graduate School of Central South University; Assistant Clinical Professor in the Department of Surgery at Mount Sinai School of Medicine. He has completed fellowships for the American College of Surgeons and American Society of Metabolic and Bariatric Surgery; earned Bariatric Center of Excellence through Surgical Review Corporation; and ASMBS Center of Excellence through American Society of Metabolic and Bariatric Surgery.
Lastly, Strain holds active membership in the American College of Surgeons, American Society of Bariatric Surgeons, Society of Gastroenterological Surgeons, and American Medical Association.
Dr. Tull has nearly 20 years of surgery experience and will be performing a range of services, including appendix, hernia, colon resections, and gall bladder surgeries, among others. Dr. Tull most recently served as chief of surgery at Geisinger Jersey Shore Hospital, Jersey Shore, Pennsylvania.
Dr. Tull earned his medical degree at Eastern Virginia Medical School. He completed his residency at the Christiana Care Health System. Headquartered in Wilmington, Delaware, Christiana Care is a not-for-profit teaching health system with more than 260 residents and fellows. The system is continually ranked by US News & World Report as a Best Hospital. In addition to providing surgical care, he served as a clinical assistant professor of surgery at Geisinger Commonwealth School of Medicine.
Ruth Vasquez, MSN, FNP earned her Master of Science in Nursing .from SUNY Upstate Medical University and has been a registered nurse with Oswego Health since 2016.
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