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  • Mark A Rich, MD

    Mark A. Rich, MD, FAAP, FACS, is a pediatric urologist with Orlando Health Arnold Palmer Hospital for Children.

  • Marc S. Levy, MD

    Marc Levy, MD, serves as a pediatric surgeon for Orlando Health Arnold Palmer Hospital for Children and the director of pediatric surgical education for Orlando Health Orlando Regional Medical Center. He is certified by the American Board of Surgery with special qualifications in pediatric surgery.

    After earning his bachelor’s degree in biomedical engineering from Vanderbilt University, Nashville, Dr. Levy received his medical degree from the University of South Florida, in Tampa. He went on to complete a general surgery residency with Orlando Regional Medical Center, an ECMO/critical care clinical fellowship at The Children’s Hospital of Boston, and a pediatric surgery residency at Arkansas Children’s Hospital in Little Rock.

    Dr. Levy has presented on a variety of pediatric topics at conferences throughout the U.S. and has co-authored articles published in the Journal of Pediatric Surgery and Annals of Surgery. He is a member of the American College of Surgery, American Pediatric Surgical Association, and the Florida Association of Pediatric Surgeons. He is also a special consultant for the American College of Surgeons’ Injury Prevention and Control Committee.

  • Maria Mercedes Coiro, PhD

    Maria M. Coiro-Keefe, PhD, is a licensed clinical psychologist specializing in medical psychology/behavioral health, an interdisciplinary field of clinical psychology concerned with the integration of knowledge in the biological, behavioral, psychological and social sciences that are relevant to health and illness. Cross-trained in neuropsychology and medical psychology, Dr. Coiro-Keefe specializes in assessing, diagnosing and treating patients that are experiencing cognitive and emotional difficulties related to their medical diagnosis. Specific areas of concentration include cancer, neurological disorders, traumatic brain injury, cerebrovascular accidents, complex medical syndromes, surgical complications and pain disorders. Dr. Coiro-Keefe received her doctoral degree in clinical psychology from the University of Central Florida, with a focus in behavioral medicine. She completed a clinical internship in clinical psychology at the West Virginia University School of Medicine, where she focused on evaluating and treating the impact of medical conditions on cognitive and psychological functioning and overall quality of life. Following her internship, Dr. Coiro-Keefe received advanced training through a two-year postdoctoral fellowship in behavioral oncology in the Department of Psychosocial Oncology at the H. Lee Moffitt Cancer Center in Tampa, FL.

  • Marlene Fernandez, PA-C

    Marlene Fernandez is a licensed physician assistant with the Orlando Health Children's Neuroscience Institute. Working under the direction of physicians and surgeons, she helps with all aspects of patient care, including diagnoses, treatments and consultations.

  • Mary K. Reischmann, MD

    Mary Kate Reischmann, MD, is a board-certified pulmonologist with Orlando Health Medical Group Pulmonary and Sleep Medicine. Specializing in diseases, conditions and injuries of the respiratory system and critical care, Dr. Reischmann treats cystic fibrosis, asthma, lung cancer, chronic obstructive pulmonary disease (COPD) and more.

  • Mark A. Birnbaum, MD

    Mark Birnbaum, MD, is board certified in orthopedic surgery and manages upper-body injuries and congenital problems at Orlando Health Arnold Palmer Hospital for Children Center for Orthopedics.

  • Marilyn Fleming, CNM

    Marilyn Fleming is a board-certified nurse-midwife (CNM) with Orlando Health Physician Associates who has been caring for women and babies in Central Florida since 2011. As a nurse-midwife, Marilyn provides care to women before, during and after they give birth, which includes assisting with deliveries. Her skills include:

  • Mark Arthur Vollenweider, MD

    Mark Vollenweider, MD is a board-certified interventional pulmonologist with the Rod Taylor Thoracic Care Center at Orlando Health Cancer Institute, where he also is part of the lung cancer and lung nodule screening program. As a leader in interventional pulmonology, Dr. Vollenweider is skilled at treating patients with conditions ranging from cancer to lung nodules and at using a variety of minimally invasive procedures and diagnostic techniques. He is expertly trained on both the Ion and robotic bronchoscopy platforms that help diagnose and treat lung issues for optimal results. These advanced robotic systems support earlier detection of lung cancer by more easily accessing the disease location and more accurately determining lesion size.

  • Maria A Rosado, MD

    Maria Rosado, MD, cares for patients as a hospitalist at Orlando Health South Seminole Hospital. She is board certified in internal medicine and hospice/palliative care.

    Dr. Rosado earned her medical degree from Pontificia Universidad Católica Madre y Maestra, Santo Domingo, Dominican Republic. She completed her residency at Detroit Medical Center through Wayne State University, Michigan.

    Dr. Rosado has practiced medicine for more than 20 years. She is fluent in both Spanish and English.

    During her free time, Dr. Rosado enjoys yoga, biking and spending time with family and friends.

  • Maricruz Crespo, MD

    Dr. Maricruz Crespo is a board-certified pediatric gastroenterologist at the Center for Digestive Health and Nutrition at Orlando Health Arnold Palmer Hospital for Children. She has expertise in: