Lawrence Lottenberg, MD

Dr. Lottenberg, a consultant at Enhance Healthcare Consulting, is an acute care surgeon recently completing a career at an academic Level I Trauma Center in Gainesville, Florida. He has been a surgeon since 1980 and specializes in trauma, emergency general surgery, elective general surgery, burns and surgical critical care. He has been the trauma medical Click Here

Holli Greenfield, RN, BSN

Holli Greenfield, a consultant at Enhance Healthcare Consulting, is a registered nurse who has extensive experience in nursing leadership and organizational administrative positions. She joined EHC after five years as Nurse Administrator at Ambulatory Surgery Centers of South Florida and brings EHC many years of expertise in OR nursing and ASC administration. Ms. Greenfield graduated Click Here


Dr. Steve Gevas, board-certified and fellow of the American College of Emergency Medicine. He held a position as the Assistant Chairman of the Emergency Department at Shady Grove Adventist Hospital in Gaithersburg. In 1998 he accepted a position as the Chairman of the Department of Emergency Medicine at Parkway Regional Medical Center in North Miami Click Here

Allan Greissman, MD

Dr. Allan Greissman is a board certified Pediatric Intensivist, specializing in the treatment of critical illness and injury in pediatric patients. He has 20+ years of experience in the development, implementation, and quality-of-care assessment of pediatric emergency departments, in-patient units, and pediatric intensive care units (PICU). Dr. Greissman received his medical degree from the Medical Click Here