Pediatric Endocrinology

View Kara Beliard’s Bio

Pediatric Endocrinology

Pediatric Endocrinology

View Suzanne Jackman’s Bio

Pediatric Endocrinology

Dr. Nambam specializes in pediatric endocrinology at Johns Hopkins All Children’s Hospital and serves as an assistant professor in the Johns Hopkins University School of Medicine on the St. Petersburg, Florida, campus. She joined the medical staff in 2020. Before joining Johns Hopkins All Children’s, Dr. Nambam was an assistant professor of pediatric endocrinology at Children’s Hospital of Richmond at Virginia Commonwealth University. She was also an assistant professor of pediatric endocrinology at Louisiana State University Health in Shreveport. Her clinical interests include type 1 diabetes, bone metabolism and health, neonatal hypoglycemia, and childhood hypoglycemia.

Dr. Root is a pediatric endocrinologist. A graduate of Harvard Medical School, Dr. Root completed his internship at Strong Memorial Hospital, Rochester, NY and his pediatric residency at University of Pennsylvania, followed by a fellowship in pediatric endocrinology at Children's Hospital of Philadelphia, University of Pennsylvania. After serving on the medical faculty of the University of Pennsylvania and Temple University, Dr. Root joined the University of South Florida College of Medicine in 1973, serving as professor of pediatrics, associate and vice-chair of the Department of Pediatrics, and director of the pediatric residency program.

View Shuchi Shah’s Bio

Dr. Ukarapong is medical director for pediatric endocrinology at Johns Hopkins All Children’s Hospital. He earned his medical degree from Mahidol University, located in Bangkok, Thailand. He completed his pediatric residency in 2008 at Long Island College Hospital in New York and pediatric endocrinology fellowship at Jackson Memorial Hospital/University of Miami in 2011. In 2019, he earned his Master of Business Administration in Healthcare from Florida International University, Chapman School of Business, Miami.

Dr. Zegarra specializes in pediatric endocrinology at Johns Hopkins All Children’s Hospital. He joined the hospital staff in 2021. He sees patients on our main campus in St. Petersburg, Florida, and at our Outpatient Care location in Tampa. Dr. Zegarra earned his medical degree from the University of Miami Miller School of Medicine in Miami. He completed a pediatric residency from Jackson Memorial Hospital-University of Miami, followed by a fellowship in endocrinology from Stanford Health Care-Stanford University in Stanford, California.

Colleen Chambers, MSN, APRN, CPNP-PC, is a nurse practitioner in the endocrinology and diabetes program at Johns Hopkins All Children’s. She joined the hospital staff in 2022. Colleen has worked as a registered nurse several children’s hospitals including Cleveland Clinic Children’s, UH Rainbow Babies and Children’s Hospital, and UPMC Children’s Hospital of Pittsburgh. She has also worked as a registered nurse and camp counselor at Camp Ho Mita Koda in Newbury, Ohio, the oldest camp serving children with diabetes. Colleen has also worked with Beyond Type 1 on their DKA Warning Signs Awareness Campaign since 2019. She earned her Master of Science in Nursing from Kent State University in Kent, Ohio. She is currently enrolled in the Doctorate of Nursing Practice program at University of Pittsburgh.

View Kevin Lewis’s Bio

Shelley Nicholls, DNP, APRN, CDCES, is a nurse practitioner in the endocrinology and diabetes program at Johns Hopkins All Children’s. She joined the hospital staff in 2022. She was previously a nurse practitioner at Broward Health Medical Center in Fort Lauderdale, Florida, and a nurse practitioner and director of patient education at University of Miami Diabetes Research Institute. She earned her Doctorate of Nursing Practice from Florida International University in Miami.

Amanda Spicochi, APRN, CPNP-PC, is a nurse practitioner in the endocrinology and diabetes program at Johns Hopkins All Children's Hospital. She rejoined the hospital staff as a practitioner in 2022. She previously worked as a nurse practitioner in pediatric primary care. Before that she worked at John’s Hopkins All Children’s in pediatric hematology, oncology and bone marrow transplant. She is a certified primary care nurse practitioner.

Rebeka Tramble, MSN, APRN, PPCNP-BC, CPN, is a pediatric nurse practitioner in endocrinology at Johns Hopkins All Children’s Hospital. She joined the hospital staff in 2021. She previously worked in pediatric primary care and was also a pediatric critical care registered nurse at St. Joseph’s Children’s Hospital in Tampa. She earned a Bachelor of Science in health promotion from the University of Georgia, a Bachelor of Science in nursing from Mercer University in Atlanta, and a Master of Science in nursing from the University of South Florida.