Learn more about the medical directors of each Center of Excellence at Regional Medical Center.

Martin A. Croce, M.D.

For 15 years, Martin A. Croce, M.D., has been the Medical Director of the Elvis Presley Trauma Center at Regional Medical Center. Established in 1983, the Elvis Presley Trauma Center is one of the nation’s three busiest trauma centers. Dr. Croce leads the only trauma center with a Level 1 designation (the highest possible level) in the states of Tennessee, Mississippi and Arkansas.

Originally from Camden, NJ, Croce obtained a Bachelor of Science from the University of Notre Dame before earning his medical degree from the University of Tennessee in 1983.  He then completed his residency at the University of Tennessee as well as a Fellowship in Surgical Critical Care at the University of Miami, Jackson Memorial Hospital in 1989.  He is currently Professor of Surgery at The University of Tennessee Health Science Center.

Many have heard Dr. Croce say, “If it’s bent, broken or bleeding, we treat it. When a patient comes it might look like organized chaos, but our team knows what to do and begins immediately when a patient comes in.” Dr. Croce’s can-do attitude has led the trauma center to today’s survival rating of 98 percent after the first 24 hours. What may look like chaos to a bystander is an opportunity for Croce and his team to help patients in their fight to recover from a traumatic injury.

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Ramasubbareddy Dhanireddy, M.D.

Ramasubbareddy Dhanireddy, M.D., oversees one of the nation’s oldest and largest newborn intensive care units as the Medical Director of the Sheldon B. Korones Newborn Center.  He is only the second medical director in the Newborn Center’s 44-year history.

Dr. Dhanrieddy has published more than 50 research articles, several book chapters, and served as principal and co-principal investigator in several research studies.  He also has received numerous awards and honors, such as being named among the best doctors in America by Best Doctors, Inc., 2007-2013 and also named as one of America’s Top Pediatricians, 2008-2012. Dr. Dhanireddy attended medical school in India and had his pediatric training at Louisiana State University (LSU) Medical Center in New Orleans and Lafayette, LA.  He completed his neonatology fellowship at Georgetown University and medical staff fellowship at the National Institutes of Health, Bethesda, MD. Dr. Dhanrieddy is the Sheldon B. Korones Endowed Professor and Chief, Division of Neonatology at The University of Tennessee Health Science Center.

Dr. Dhanireddy’s dedication to safeguarding the health of our community’s tiniest citizens is evident in the direction the department is headed. Under his leadership, the newborn center has taken on new quality initiatives to continue the mission of reducing infant mortality rates in the area, and earned recognition from the Vermont Oxford Network, a group of more than 850 neonatal ICUs from around the world. Dr. Dhanireddy often speaks on infant mortality and credits the number of community programs working together to address health and socioeconomic concerns in the fight against infant mortality.

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William L. Hickerson, M.D., FACS

Running a nationally renowned burn centered that treats more than 500 patients annually is no small task. For 7 years William L. Hickerson, M.D., FACS, has been the medical director for the Firefighters’ Burn Center at Regional Medical Center, the only full-service Burn Center of its kind within a 150-mile radius of Memphis.

Dr. Hickerson completed his medical degree at the University of Tennessee Health Science Center as well as residency programs for general surgery and plastics. He has authored more than thirty medical articles and abstracts about trauma, plastic surgery, skin care, and wound care and has given more than fifty invited lectures on wound and burn care as far away as Israel and Japan. He is currently Professor of Plastic Surgery at The University of Tennessee Health Science Center.

His expertise in skin substitutes and reconstructive surgery has earned Dr. Hickerson global recognition, but his hours on the front line in the operating room are what demonstrate his commitment to his patients and his field. Burn surgeries can be long, detail-oriented work.  Because these patients cannot regulate their own body temperatures, the operating room is kept very warm, often in the 90s.  OR staff often wear ice vests to keep cool during the long surgery. Dr. Hickerson has performed surgeries in these conditions for more than 30 years. That’s compassionate care.

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Giancarlo Mari, M.D., FACOG

Giancarlo Mari, M.D., FACOG, cares for high-risk pregnancy patients as the medical director of the High-Risk Obstetrics Program at Regional Medical Center. A widely published researcher and internationally recognized author in the field of fetal therapy, Dr. Mari’s work has changed the standard of care in fetal anemia.

Dr. Mari has brought cutting edge surgeries to Regional Medical Center. Intrauterine therapy for fetuses is one of the developing frontiers in Maternal-Fetal-Medicine (MFM). Dr. Mari is one of few MFM specialists in the United States who performs surgery on fetuses, currently done at only 10 centers in the US and none within 700 miles of Regional Medical Center.

Dr. Mari received his medical training in Napoli Italy before completing an OB/GYN Residency and Maternal Fetal Medicine Fellopwship at Yale University School of Medicine. He has been recognized in Best Doctors in America® and was selected as one of “America’s Top Obstetricians and Gynecologists.” Dr. Mari is Professor and Chair of Obstetrics & Gynecology at the The University of Tennessee Health Science Center.

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