Initial Care Team

When a patient is brought to Jamaica Hospital Medical Center, the severity of injury is assessed immediately by the Trauma Team. The trauma surgeons and nurses are  responsible for the evaluation, care and plan of treatment. An evidence-based process is designed to ensure that  critical care is delivered safely and timely so that all the patient needs are met.

To meet the individual needs of an injured patient, while coordinating efforts with the family, if available at that time, the trauma surgeons and nurses work as a collaborative team. Other medical specialists may also participate in care of the injured patient, as necessary. These providers may be from various surgical or non-surgical specialties. This includes the decision about when to use diagnostic evaluative tools like ultrasound or CT scans, x-ray, etc. and in what order to provide different pieces of the care plan, called the sequencing of care.

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Kenneth R. Fretwell, M.D., F.A.C.S.

Chairman of Department of Surgery

Jamaica Hospital Medical Center Team - Kenneth R. Fretwell, M.D., F.A.C.S (Chairman of Department of Surgery)

Currently the Chairman of the Department of Surgery, Dr. Fretwell has worked for Jamaica Hospital Medical Center for over twenty two years. A Cornell University Medical Center trained general surgeon, he joined Jamaica Hospital in 1995 and was promoted to be the Director of Surgical Intensive Care Unit shortly thereafter. He has served as the Chairman of the Anesthesia & Invasive Procedures Committee and currently holds a seat on the medical board at the hospital. Dr. Fretwell has been a Clinical Assistant Professor of Surgery at Cornell University Medical Center since 2006. He has won many awards through the years including the Dewitt Award in Surgery as well as the Chief Resident Teaching Award. In 2015, he was also named Honorary Police Surgeon to the New York Police Department

Katherine McKenzie, D.O., F.A.C.O.S.

Trauma Medical Director

Jamaica Hospital Medical Center Team - Katherine McKenzie, D.O., F.A.C.O.S (Trauma Medical Director)

Dr. McKenzie is an Attending Surgeon who is dual Board Certified in General Surgery and Surgical Critical Care. Dr. McKenzie received a Bachelor’s Degree in Biology and Chemical Sciences from Kansas State University, and her Doctor of Osteopathic Medicine degree from Kansas City University of Medicine and Biosciences. She completed her general surgery residency training at Flushing Hospital Medical Center in Flushing, NY and a fellowship in Trauma and Critical Care Surgery at Rutgers University Hospital in Newark, NJ. Her research work was nationally recognized as she received first prize at the Annual Clinical Assembly by the American College of Osteopathic Surgeons in 2013. Dr. McKenzie has an interest in trauma, critical care and acute care surgery.

Julie Y. Valenzuela, M.D., F.A.C.S.

Associate Trauma Medical Director

Dr. Valenzuela is an Attending Surgeon who is dual Board Certified in General Surgery and Surgical Critical Care. Dr. Valenzuela received a Bachelor’s Degree in Psychology from Emory University and Doctor of Medicine degree from Rutgers Robert Wood Johnson Medical School in New Jersey. She completed her internship at Walter Reed National Military Medical Center followed by completion of the Military Medical Tropical Medicine Course. Dr. Valenzuela subsequently became a Naval Flight Surgeon deploying to Afghanistan. Upon return from deployment, she completed a general surgical residency at Rutgers New Jersey Medical School and a two year Acute Care Surgery fellowship at Vanderbilt University. Dr. Valenzuela has an interest in Global Surgery, trauma, critical care and acute care surgery.

Jeffery Chan, M.D., F.A.C.S.

Director of Acute Care Surgery

Jamaica Hospital Medical Center Team - Jeffery Chan, M.D., F.A.C.S (Director of Acute Care Surgery)

Currently the Director of Acute Care Surgery, Dr. Jeffery Chan received a Bachelor’s Degree in Chemistry and his Medical Doctor Degree from Boston University. Dr. Chan received his residency training at New York Hospital – Cornell Medical Center. He is the recipient of the New York Presbyterian Hospital-Weill Cornell College Department of Surgery Faculty Teaching Award. Dr. Chan has collaborated on various research projects throughout his career in areas of basic sciences and surgery and these studies have been published in various surgery journals. He was also the recipient of teaching awards in 2010 and 2015.

William Nugent, M.D.

SICU Director

Jamaica Hospital Medical Center Team - Dr. William Nugent, M.D (SICU Director)

Dr. Nugent is an Attending Surgeon who is Board Certified in both Surgery and Surgical Critical Care. He received his Bachelor’s degree from Cornell University and his MD from Dartmouth Medical School, as well as an MBA from the Tuck School of Business at Dartmouth. He completed both his residency in surgery and fellowship in Surgical Critical Care at New York Presbyterian Hospital- Weill Cornell Medical Center. He has several publications in prestigious journals and has presented his work at various conferences nationwide. He is also an avid sailor and pilot.

Michael Amaturo, D.O.

Attending Surgeon

Dr. Michael Amaturo is an attending surgeon who is dually boarded in general surgery and surgical critical care. He received his Bachelor’s Degree from SUNY Albany and his Medical Degree from New York College of Osteopathic Medicine. He completed both his residency in surgery and fellowship in Surgical Critical Care at Lutheran Medical Center.

Robert A. Laskowski II, M.D., Ph.D.

Attending Surgeon

Dr. Robert Laskowski is an Attending Surgeon who received his Bachelor’s Degree in Biological Sciences at Drexel University and his MD/Ph.D., in Neuroscience at Drexel University College of Medicine.  He completed his surgery residency at Stony Brook and his fellowship in Trauma/Surgical Critical Care/Acute Care Emergency Surgery at the University of Maryland Medical Center, R. Adams Cowley Shock Trauma Center.  

Beverly Brown, R.N., M.S.A., M.D.S.C.

Trauma Program Manager

Jamaica Hospital Medical Center Trauma Program Manager - Beverly Brown, R.N., M.S.A., M.D.S.C.

Currently the Trauma Program Manager, Beverly received her Bachelor’s Degree in Health Administration from Saint Joseph’s College and her Master’s of Science Degree in Health Administration from Central Michigan University. She is certified in both Basic Cardiovascular Life Support and Advanced Cardiovascular Life Support and has been a nurse for 20 years. She was an Emergency Room Nurse for many years before becoming the Clinical Nurse Manager at Kingsbrook Jewish Medical Center. Prior to joining Jamaica Hospital, Beverly was the Director of Nursing for The Amsterdam at Harborside Retirement Community in Nassau County. Ms. Brown serves on various medical, nursing and policy-making committees and is a United States Army Veteran.