Medical Professionals

Scott B. Chelemer, MD, FCCP

Scott Chelemer is the medical director of the intensive care unit at Nazareth Hospital, where he is leading The Intensivist Group program to standardized critical-care best practices. Dr. Chelemer is board-certified in critical care, internal, and pulmonary medicine.

Before joining The Intensivist Group, Dr. Chelemer was a partner with Pulmonary & Sleep Physicians of South Jersey. As part of the practice, he served as medical director of the critical care unit and chair of critical care and pulmonary medicine at Virtua-Memorial Hospital. He also was on the medical staff of Lourdes Specialty Hospital and Kennedy-Memorial Hospital. Previously, Dr. Chelemer was an internist at Wilmington (Mass.) Hospital.

Dr. Chelemer graduated from the University of Pittsburgh School of Medicine, then completed a residency in internal medicine at New England Deaconess Hospital. He also completed a fellowship in pulmonary and critical care medicine at Maine Medical Center.

He received Virtua-Memorial Hospital’s  Outstanding Physician Award in 2002.Dr. Chelemer is a fellow of the American College of Chest Physicians and a member of the Society of Critical Care Medicine and American College of Physicians.

Kenneth Cruz, MD

Kenneth Cruz is a consulting physician for Northwest Community Hospital’s intensive care unit. He also brings extensive experience in managing telemedicine ICUs, a role that entails overseeing off-site intensive care physicians and nurses who monitor and direct treatment of critical care patients.

Dr. Cruz has received national recognition for is work in developing an ICU protocol for the use of therapeutic hypothermia.

Before joining the Intensivist Group, Dr. Cruz was a consulting physician in critical care medicine at Hoag Memorial Presbyterian Hospital. In this position, he admitted patients to the ICU, conducted daily rounds of ICU patients, and performed procedures as necessary for those patients.

Dr. Cruz graduated from Wayne State University School of Medicine and completed his residency at St. Joseph Mercy Hospital in Ann Arbor, MI. He then completed a fellowship in critical care medicine at Rush Presbyterian St. Luke’s Medical Center in Chicago. Dr. Cruz is board-certified in internal and critical care medicine.  He is a member of the Society of Critical Care Medicine. 

Rotem Friede, MD

Rotem Friede is medical director for the intensive care unit at Mercy Philadelphia Hospital. In that role for The Intensivist Group, she oversees a team of board-certified intensivists who provide round-the-clock care for critically ill patients.

Previously, Dr. Friede was a critical care physician at Rush University Medical Center and an emergency medicine physician at Our Lady of the Resurrection Medical Center, both in Chicago.

She attended New Jersey Medical School and completed a double residency in internal and emergency medicine at the University of Illinois at Chicago Medical Center. Dr. Friede also completed a fellowship in critical care medicine at Rush University Medical Center. She is board-certified in critical care, internal and emergency medicine.

Dr. Friede is a member of the Society of Critical Care Medicine, American Thoracic Society, American College of Chest Physicians, and American College of Emergency Physicians.

Jaime Simon Grahe, D.O.

Jaime Simon Grahe leads The Intensivist Group’s team at Mercy Suburban Hospital, where she is ICU medical director. As part of The Intensivist Group, Dr. Grahe worked as a critical care physician for several years at Mercy Philadelphia Hospital before moving to Mercy Suburban. She is board certified in pulmonary, internal and sleep medicine.

Dr. Grahe earned her medical degree and completed her residency at the Philadelphia College of Osteopathic Medicine. She then completed a fellowship in pulmonary, critical care and sleep medicine at Rush University Medical Center in Chicago, where she was appointed chief fellow. She also received a Young Investigator’s Award for Original Research at the 2005 Chest Conference.

She is a member of American College of Chest Physicians, American Thoracic Society, Society of Critical Care Medicine, American College of Osteopathic Internists, American Osteopathic Association, Pennsylvania Medical Society and Pennsylvania Osteopathic Medical Association.           

Nathan M. Lidsky, MD

Nathan Lidsky is an associate director of The Intensivist Group’s team of critical care physicians at Northwest Community Hospital. He also serves as director of education for the critical care team there.

Before joining The Intensivist Group, Dr. Lidsky was medical director of the transplantation intensive care unit for Baptist Medical Center of Oklahoma. He also was an assistant professor of anesthesiology and critical care medicine at Presbyterian University Hospital, where his clinical responsibilities were focused on the liver transplantation ICU. 

Dr. Lidsky graduated from the University of Miami Medical School. He completed an internal medicine internship and residency at Loyola University Medical Center before completing a critical care medicine fellowship at the University of Pittsburgh Medical Center. Dr. Lidsky is board-certified in internal and critical care medicine. He is a member of the American College of Chest Physicians and Society of Critical Care Medicine.