Dr. Doshi specializes in neonatology at Johns Hopkins All Children’s. He sees patients at Sarasota Memorial Hospital, Sarasota Memorial – Venice and HCA Florida Brandon Hospital, through a collaboration with Johns Hopkins All Children’s. He joined the hospital staff in 2025. Dr. Doshi’s clinical and research interests focus on the long-term outcomes among extremely prematurely born patients by monitoring targeted oxygen saturation, nutritional support for optimal growth, and strategies to reduce bronchopulmonary dysplasia rates. He was previously a neonatologist at Golisano Children’s Hospital of Southwest Florida in Fort Myers. He earned his medical degree from Saurashtra University in Surendranagar, India. He completed a residency in pediatrics at Staten Island University Hospital, followed by a fellowship in neonatal-perinatal medicine at Cohen Children’s Medical Center. He also earned a Master of Public Health in epidemiology from Florida International University. He speaks English, Gujarati and Hindi. Dr. Doshi is highly rated in 2 conditions, according to our data. His top areas of expertise are Infantile Pneumothorax, Bilirubin Encephalopathy, Transient Familial Hyperbilirubinemia, Gastroschisis, and Gastrostomy.

Joana Machry, M.D., FAAP, specializes in newborn medicine at the Johns Hopkins All Children's Maternal, Fetal & Neonatal Institute. She serves as the program director for the Johns Hopkins All Children’s Neonatal-Perinatal Medicine Fellowship Program and is an assistant professor in pediatrics at the Johns Hopkins University School of Medicine. Dr. Machry received Johns Hopkins Medicine Clinical Awards for Clinical Collaboration and Teamwork for leading the NICU Pulmonary Taskforce in 2017 and the Tracheostomy Team in 2022. Dr. Machry received a Department of Pediatrics Teaching Excellence Award as a resident at Jackson Memorial Hospital/University of Miami Miller School of Medicine, where she completed her pediatric residency and fellowship in Neonatal-Perinatal Medicine. Her clinical expertise and research interests include exploring optimal practices in newborn respiratory support and care, management of the most complex cases of Bronchopulmonary Dysplasia with focus on neurodevelopmental outcomes, and innovation in medical education. In addition to leading the NICU Pulmonary Taskforce, she also leads the NICU Multidisciplinary Tracheostomy Team. Dr. Machry is highly rated in 1 condition, according to our data. Her top areas of expertise are Bronchopulmonary Dysplasia, Gastroesophageal Reflux in Infants, Premature Infant, and Gastroesophageal Reflux Disease (GERD).

Dr. Luciano specializes in neonatology with the Johns Hopkins All Children’s Maternal, Fetal & Neonatal Institute. He joined the hospital staff in 2020. Dr. Luciano was previously with AdventHealth, caring for patients in several of the hospital system’s neonatal intensive care units (NICU), and before that, at Tampa General Hospital’s NICU. His clinical interests include management of complex medical patients, and his research interests include neonatal immunity and medical education. Dr. Luciano earned his medical degree from the University of Puerto Rico School of Medicine. He completed a pediatric residency at University of Texas Medical Branch in Galveston, and a fellowship in neonatology at Rainbow Babies and Children’s Hospital/Case Western Reserve University, in Cleveland. He also completed a postdoctoral immunology research fellowship at Case Western Reserve University. Dr. Luciano also holds a Master of Science in medical education leadership from the University of New England College of Osteopathic Medicine in Biddeford, Maine. Dr. Luciano is highly rated in 1 condition, according to our data. His top areas of expertise are Premature Infant and Necrotizing Enterocolitis.

"Rachelle Schwartz, D.O., specializes in maternal-fetal medicine at Johns Hopkins All Children's Hospital. She joined the medical staff in July 2012 after completing a fellowship in maternal fetal medicine at St. Luke's-Roosevelt Hospital, Columbia University, College of Physicians and Surgeons in New York. Dr. Schwartz is a graduate of Touro University College of Osteopathic Medicine and completed her residency in obstetrics and gynecology at Bayfront Medical Center, where she served as chief academic resident. While at Bayfront she received the Laparoscopic Surgeon of the Year Award, Resident Academic Achievement Award and Academic Excellence Award. During her fellowship, Dr. Schwartz was first author for numerous poster and oral presentations for the annual meetings of the Society for Maternal Fetal Medicine and Society for Gynecologic Investigation. Her interests are in gestational diabetes and multiple gestations. She has authored multiple papers including ""Glyburide Transport Across the Human Placenta"" (Schwartz R, et al.) in the Journal of Obstetrics and Gynecology, ""Can a Single Preterm Ultrasound Accurately Predict Birth Weight in Gestational Diabetes?"" (Schwartz R, et al), and ""Can Third Trimester Ultrasound Predict the Presentation of the First Twin at Delivery?"" (Schwartz R, Fuchs A, Rosenn B), both published in the Journal of Maternal Fetal Medicine. Videos Meet Rachelle Schwartz, D.O.". Dr. Schwartz is highly rated in 1 condition, according to our data. Her top areas of expertise are Gestational Diabetes, Macrosomia, Premature Infant, and Placental Insufficiency.

Dr. Van Marter is the medical director of the Maternal, Fetal & Neonatal Institute and chief of Newborn Medicine at Johns Hopkins All Children’s Hospital. She joined the hospital staff in 2021. She also is a professor of Pediatrics in the Johns Hopkins University School of Medicine. Dr. Van Marter was previously an associate professor of Pediatrics at Harvard Medical School and the associate chair for Academic Affairs in the Department of Pediatric Newborn Medicine at Brigham & Women’s Hospital. Dr. Van Marter has held numerous clinical and administrative leadership roles, including as director of clinical research for the Harvard Academic Program in Newborn Medicine and, at BWH, vice chair of the Department of Pediatric Newborn Medicine and associate program director for NICU Research in the Center for Clinical Investigation. Dr. Van Marter was first a graduate of the Massachusetts General Hospital School of Nursing, and then earned her medical degree from the University of Pittsburgh School of Medicine. She completed a pediatric residency at Boston Children’s Hospital and a research fellowship in Neonatal-Perinatal Medicine with the Harvard Medical School Joint Program in Neonatology. She also earned a Master of Public Health in epidemiology from the Harvard School of Public Health. In addition to clinical instruction and didactic teaching at several Harvard hospitals over several decades, Dr. Van Marter has been an adviser to pediatric residents and a research mentor to neonatology fellows and junior faculty. At the national level, she is a past chair of the American Academy of Pediatrics Section on Neonatal-Perinatal Medicine, and was a founder and mentor for its Trainees and Early Career Neonatologists Group that has fostered leadership development of individuals at early stages of their neonatology careers. She was elected to the Society for Pediatric Research, the Perinatal Research Society, and the American Pediatric Society. Dr. Van Marter’s clinical research has focused on the epidemiology and treatment of bronchopulmonary dysplasia (BPD) and persistent pulmonary hypertension of the newborn (PPHN). Her work has contributed to the identification of several pregnancy-associated risk factors for PPHN and a greater understanding of clinical practices that may modify the risk for BPD in infants born before 29 weeks of gestation. She has been a principal investigator, site principal investigator and core director for numerous NIH and industry-funded studies. She has authored more than 70 papers published in peer-reviewed journals and has delivered many invited state-of-the-art and research talks at national and international conferences. Dr. Van Marter is highly rated in 1 condition, according to our data. Her top areas of expertise are Premature Infant, Bronchopulmonary Dysplasia, Cerebral Hypoxia, and Epilepsy in Children.

Raphael Guichard is an Obstetrics and Gynecologist in St Petersburg, Florida. Dr. Guichard is highly rated in 1 condition, according to our data. His top areas of expertise are Menopause, Vaginal Bleeding Between Periods, Endometrial Polyps, Vulvovaginitis, and Hormone Replacement Therapy (HRT). Dr. Guichard is currently accepting new patients.

Dr. Kouba is a maternal-fetal medicine specialist in the Johns Hopkins All Children’s Maternal, Fetal & Neonatal Institute. She joined the hospital staff in 2024. She sees patients at the hospital’s main campus in St. Petersburg, Florida, and at HCA Florida Brandon Hospital. She was previously clinical assistant professor and associate program director in the Department of Obstetrics and Gynecology at the New York University Grossman School of Medicine/NYU Langone Hospital-Brooklyn. Dr. Kouba earned her medical degree from Ross University School of Medicine in Roseau, Dominica. She completed her residency in obstetrics and gynecology and served as chief resident at the Brooklyn Hospital Center in New York. She then completed a fellowship in maternal-fetal medicine at Northwell at South Shore University Hospital in Bay Shore, New York. Driven by a deep commitment to improving maternal health, Dr. Kouba’s research focuses on maternal mortality, morbidity, social determinants of health, and other key areas in maternal-fetal medicine. Her dedication is evident through numerous publications and presentations at leading conferences both nationally and internationally. She speaks Spanish, Arabic and French. Her top areas of expertise are Fetal Enterovirus Syndrome, Newborn Transient Tachypnea, Preeclampsia, and Eclampsia.

Dr. DiBartolomeo specializes in neonatology in the Johns Hopkins All Children’s Maternal, Fetal & Neonatal Institute. Dr. DiBartolomeo earned her medical degree from Nova Southeastern University in Fort Lauderdale, Florida. She trained in pediatrics and completed a neonatology fellowship at University of Chicago, Comer Children’s Hospital. While at the University of Chicago, Dr. DiBartolomeo concurrently completed a clinical medical ethics fellowship through the MacLean Center for Clinical Medical Ethics. Additionally, she holds a Master of Public Health from Nova Southeastern University. At Johns Hopkins All Children’s Hospital, Dr. DiBartolomeo is the physician chair for the Human Values and Ethics Committee and serves on the Medical Executive Committee. She worked to develop and launch the Johns Hopkins All Children’s Fetal Care Program and serves as the medical director of the program, working with maternal-fetal medicine colleagues as well as various pediatric subspecialists to provide prenatal consultation and counseling, and to offer a coordinated, family-centered approach to the diagnosis and treatment of fetal anomalies that brings perinatal, neonatal and pediatric specialists to the patient. Her clinical and research interests include perinatal care and counseling, clinical medical ethics, neonatal palliative care and ethical issues at the margins of viability. Her top areas of expertise are Carnitine Palmitoyltransferase 2 Deficiency, Infantile Apnea, Aplasia Cutis Congenita, and Clouston Syndrome.

Dr. Jensen specializes in neonatology with the Johns Hopkins All Children’s Maternal, Fetal & Neonatal Institute. She sees patients at our neonatal intensive care unit at Johns Hopkins All Children’s Hospital, Sarasota Memorial Hospital, Saint Petersburg General Hospital and Brandon Regional Hospital. She attends deliveries at Orlando Health Bayfront Hospital Center for Women and Babies. Dr. Jensen’s clinical and research interests include feeding and swallowing disorders in infants. She joined the Johns Hopkins All Children's staff in 2016. Dr. Jensen earned her medical degree from Nova Southeastern University. She trained in pediatrics through internships and residency at Tampa General Hospital and Johns Hopkins All Children's Hospital and completed a neonatal-perinatal medicine fellowship at Nationwide Children’s Hospital at the Ohio State University. Her top area of expertise is Asphyxia Neonatorum.

Dr. Cruz Ithier is a maternal-fetal medicine specialist in the Johns Hopkins All Children’s Hospital Maternal, Fetal & Neonatal Institute. She joined the hospital staff in 2018. Dr. Cruz Ithier earned her medical degree from the University of Illinois in Chicago. She completed her obstetrics and gynecology residency at Bayfront Health in St. Petersburg where she served as education chief during her senior year. While at Bayfront she received the Research Award, Excellence in Obstetrics Award and the Resident Teacher Award. She then completed a fellowship in maternal-fetal medicine at Rutgers/Robert Wood Johnson Medical School in New Jersey where she was involved in clinical and basic science research. Her main interests are prenatal diagnosis with emphasis on first trimester ultrasound and preterm labor. She also is interested in resident education and simulation modules. She is fluent in English and Spanish. Her top areas of expertise are Premature Infant and Placental Insufficiency.

Dr. Prieto is medical director of maternal-fetal medicine in the Johns Hopkins All Children’s Maternal, Fetal & Neonatal Institute. He specializes in the care of the mother and fetus in high-risk pregnancies. Dr. Prieto is a graduate of the University of Miami School of Medicine, where he also received a Master's in Public Health. He completed his residency in obstetrics, gynecology and reproductive sciences at the University of Texas Health Science Center/Houston at L.B.J. General Hospital, where he was named Outstanding Chief Resident, followed by a fellowship in maternal fetal medicine at the University of Pittsburgh and Magee-Women's Hospital. He joined Maternal Fetal Medicine Associates in 1996. Dr. Prieto is the Clinical Practice Director for All Children's Perinatology Specialists. Videos Meet Jose Prieto, M.D. His top areas of expertise are Placental Insufficiency, Premature Infant, Polyhydramnios, Salpingo-Oophorectomy, and Hormone Replacement Therapy (HRT).

Aaron M. Germain, M.D., FAAP, specializes in neonatology with the Johns Hopkins All Children's Maternal, Fetal & Neonatal Institute. He is associate program director of the Johns Hopkins All Children’s Hospital Neonatal-Perinatal Medicine Fellowship Program. Dr. Germain completed his fellowship training in Neonatal-Perinatal Medicine at Baylor College of Medicine/Texas Children’s Hospital. His research interests include patient management and outcomes, management of Neonatal Abstinence Syndrome and innovation in medical education. Dr. Germain is medical director for neonatal transport for the LifeLine critical care transport program. His top area of expertise is Gastroesophageal Reflux in Infants.

Dr. McKay specializes in neonatology with the Johns Hopkins All Children’s Maternal, Fetal & Neonatal Institute. He joined the hospital staff in 1997. In addition to our main St. Petersburg, Fla., campus, Dr. McKay sees patients at Brandon Regional Hospital and Sarasota Memorial Hospital. Dr. McKay was named Johns Hopkins All Children’s Hospital physician of the year in the 2018 Johns Hopkins Medicine Clinical Excellence Awards. Dr. McKay earned his medical degree at the University of Cincinnati School of Medicine and completed his pediatric residency and fellowship at the University of Louisville. He is a member of the American Academy of Pediatrics, Pinellas County Medical Society and The Florida Society of Neonatologists. His top areas of expertise are Bronchopulmonary Dysplasia and Infant Respiratory Distress Syndrome.

Dr. Perni is a maternal-fetal medicine specialist in the Johns Hopkins All Children’s Maternal, Fetal & Neonatal Institute. Her clinical interests include prenatal diagnosis, maternal medical complications and hypertensive disorders of pregnancy. She joined the hospital staff in 2024. She sees patients at Orlando Health Bayfront Hospital Center for Women and Families, HCA Florida Hospital Brandon and MCR Health in Bradenton. She was previously vice director and section chief of obstetrics in the Department of Obstetrics and Gynecology at Hillcrest Hospital, assistant professor of OB/GYN and reproductive biology at Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, and assistant program director of the Maternal-Fetal Medicine Fellowship at Cleveland Clinic Women’s Health Institute. Dr. Perni earned her medical degree from Jefferson Medical College in Philadelphia. She completed her residency in obstetrics and gynecology at MCP/Hahnemann University Hospitals (now Drexel University) in Philadelphia. She completed the Empire Clinical Research Investigator Program at Weill-Cornell/New York Hospital in Queens, New York, followed by a maternal-fetal medicine fellowship at University of Michigan Health Systems in Ann Arbor. She then completed the T32 Research Training Program at University of Michigan Health Systems. She also earned her Master of Public Health in epidemiology from the University of Michigan. Dr. Perni is highly rated in 6 conditions, according to our data. Her top areas of expertise are Gestational Diabetes, Premature Infant, Placenta Previa, and Polyhydramnios.

Parul Zaveri is a Neonatologist in Saint Petersburg, Florida. Her top areas of expertise are Premature Infant, Intraventricular Hemorrhage of the Newborn, Hypothermia, and Hypotonia.

Dr. Winners Mendizabal specializes in neonatology with the Johns Hopkins All Children’s Maternal, Fetal & Neonatal Institute. He sees patients at the hospital's main campus in St. Petersburg, as well as at Brandon Regional Hospital where he serves as interim medical director of the neonatal intensive care unit (NICU), through an affiliation with Johns Hopkins All Children's. He joined the hospital staff in 2012. Dr. Winners Mendizabal earned his medical degree from Universidad Boliviana Mayor de San Andres in La Paz, Bolivia. He completed training in pediatrics at University of Kansas and neonatal-perinatal fellowship at Case Western Reserve University at Rainbow Babies & Children’s Hospital in Cleveland, Ohio. His research interests include retinopathy of prematurity, chronic intermittent hypoxia and enteral and parental nutrition. He is fluent in Spanish.

Dr. Villanueva specializes in newborn medicine in the neonatal intensive care unit at HCA Florida Brandon Hospital through a collaborative arrangement with Johns Hopkins All Children's Hospital. She joined the hospital staff in 2023. She was previously an attending neonatologist at UVA Community Health Prince William Medical Center in Manassas, Virginia. Dr. Villanueva earned her medical degree from University of the City of Manila in Manila, Philippines. She completed a medical internship at Manila Doctors Hospital. She then completed a pediatric internship and residency, and served as chief resident, at The Brooklyn Hospital Center, followed by a fellowship in neonatal-perinatal medicine at Stony Brook Long Island Children’s Hospital/Stony Brook University Medical Center in New York, where she also served as chief fellow. Dr. Villanueva’s clinical interests include quality improvement, especially improving delivery room care and golden hour management of extremely premature babies. Her interests also include clinical education, and she is an NRP instructor mentor and STABLE instructor.

Roberto Sosa is a Neonatologist in Saint Petersburg, Florida.

Dr. Davis specializes in neonatology and primarily sees patients at Manatee Memorial Hospital and Lakewood Ranch Medical Center, where she became medical director of neonatology in November 2020. She joined the Johns Hopkins All Children’s Hospital medical staff in 2022 through a collaborative agreement among the hospitals. Previously, Dr. Davis served as an attending neonatologist in Las Vegas and the greater Los Angeles area. Dr. Davis earned her medical degree from Hahnemann University in Philadelphia. She completed her internship and residency at Children’s Hospital Oakland and a fellowship in neonatology at Harbor-UCLA Medical Center.

Dr. Nickel specializes in Neonatology in the Johns Hopkins All Children’s Maternal, Fetal & Neonatal Institute. Dr. Nickel earned her medical degree from the University of Louisville School of Medicine in Louisville, Kentucky. She completed both her pediatric residency and neonatal and perinatal medicine fellowship at Johns Hopkins All Children’s Hospital. She joined the medical staff in 2021 and sees patients in our main campus level IV Neonatal Intensive Care Unit in St. Petersburg. She also sees patients at the Johns Hopkins All Children’s Fetal Care Program, working with Maternal-Fetal Medicine colleagues as well as various pediatric subspecialists to provide prenatal consultation and counseling, and to offer a coordinated, family-centered approach to the diagnosis and treatment of fetal anomalies that brings perinatal, neonatal and pediatric specialists to the patient. Dr. Nickel is a core faculty member of the Johns Hopkins All Children's Hospital Pediatric Residency Program and Neonatal and Perinatal Medicine Fellowship Program, and serves as the rotation director for medical students and residents in the Neonatal Intensive Care Unit. She is also a Head Coach in the Residency's Coaching Program. In 2024, she was awarded the Johns Hopkins All Children's Hospital Pediatrics Residency Program Faculty Teacher of the Year Award. Dr. Nickel's scholarly focuses are within the realms of quality improvement and medical education with focuses on family engagement, infection prevention, curriculum development, and active learning strategies.

Dr. Dwarakanath is a neonatologist in the Maternal, Fetal & Neonatal Institute at Johns Hopkins All Children’s and serves as medical director of the neonatal intensive care unit at HCA Florida Brandon Hospital through a collaboration with Johns Hopkins All Children's Hospital. He was previously an attending neonatologist at Children’s Hospital and Clinics of Minnesota. He earned his medical degree from Bangalore Medical College at Bangalore University in India. He completed post-graduate training in pediatrics and neonatology in BYL Nair Hospital and Mumbai University in India, followed by post-residency training in nephrology at Bombay Hospital Institute of Medical Sciences and Mumbai University, and post-graduate training in pediatrics and child health at the Royal Society of Paediatrics and Child Health in London. He then completed a residency in pediatrics at Brookdale University Hospital and Medical center in Brooklyn, and a fellowship in neonatology at Regional Perinatal Center at Westchester Medical Center in Valhalla, New York. Dr. Dwarakanath’s research interests include patent ductus arteriosus, necrotizing enterocolitis, optimal oxygen saturation limits in ELGAN, electrolyte homeostasis, maternal obesity and its effects on neonates, and postnatal steroids for BPD prevention.

Dr. Schilling specializes in neonatology with the Johns Hopkins All Children's Maternal, Fetal & Neonatal Institute. She sees patients at Sarasota Memorial Hospital, where she serves as medical director of the neonatal intensive care unit (NICU), through an affiliation with Johns Hopkins All Children's. Dr. Schilling earned her degree as a Doctor of Osteopathic Medicine at the University of New England College of Osteopathic Medicine. She completed her pediatric residency at Louisiana State University and her neonatal - perinatal fellowship at the University of South Florida. During her fellowship, she created and teaches a newborn - specific cardiac curriculum rotation for pediatric interns. She is an active member of the American Osteopathic Association; the American Academy of Pediatrics and the Pediatric Academic Society.

Dr. McCarthy specializes in neonatology with the Johns Hopkins All Children’s Maternal, Fetal & Neonatal Institute. She joined the hospital staff in 1977 and founded its Institutional Review Board and ethics committee. She served as chief of staff for three years. Dr. McCarthy earned her medical degree at University of Miami School of Medicine and completed her pediatric residency and her neonatology fellowship at University of Miami and Jackson Memorial Hospital. She also has a Master of Medical Science degree in physiology from the University of Florida and a Ph.D. in pharmacology from West Virginia University. She completed a post-doctoral fellowship in pharmacology at the University of Miami.

Meenakshi Jain is an Obstetrics and Gynecologist in Saint Petersburg, Florida. Dr. Jain is highly rated in 8 conditions, according to our data. Her top areas of expertise are Ovarian Remnant Syndrome, Endometriosis, Neuralgia, Hysterectomy, and Oophorectomy. Dr. Jain is currently accepting new patients.

Yissa Fonticiella is an Obstetrics and Gynecologist in St Petersburg, Florida. Dr. Fonticiella is highly rated in 5 conditions, according to our data. Her top areas of expertise are Polycystic Ovary Syndrome, Endometrial Polyps, Infertility, Hysterectomy, and Oophorectomy. Dr. Fonticiella is currently accepting new patients.