Meet Our Autism Program Team

Meet Our Team

Lauren Gardner, Ph.D.


Dr. Gardner is the psychology internship director and administrative director of the Autism Program at Johns Hopkins All Children’s Hospital. She has provided services for children and families with a wide range of concerns, including noncompliance, autism spectrum disorder, developmental disabilities, depression, anxiety and social skills deficits. Dr. Gardner’s clinical interests include neurodevelopmental disabilities. She earned her doctorate degree from Indiana University Bloomington and completed an internship in psychology at the University of Tennessee Health Science Center and a fellowship in developmental/behavioral pediatrics at the Boling Center for Developmental Disabilities.

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 Lauren Gardner, PhD PSYCHOLOGY

Callie Gilchrest, Ph.D.


Dr. Gilchrest is a pediatric psychologist who specializes in assessment and treatment of autism and other neurodevelopmental disorders. She primarily works in the autism and developmental pediatrics programs on the Johns Hopkins All Children’s Hospital main campus in St. Petersburg, Florida. She joined the hospital staff in 2022.

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Callie Gilchrist

Jason Hangauer, Ph.D.


Dr. Hangauer is a pediatric outpatient psychologist at Johns Hopkins All Children’s Hospital. He specializes in the evaluation and treatment of autism spectrum disorder (ASD) and developmental disabilities. He joined hospital staff in 2018. Dr. Hangauer's research interests include evidence-based interventions for ASD, behavioral parent training, and assisting allied providers serving children with ASD and other disorders in the use of current research supported best practices.

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Jason Hangauer, PhD PSYCHOLOGY

Joel Shulkin, M.D.

Developmental And Behavioral Pediatrics

Dr. Shulkin is a pediatrician in Pediatric Developmental Medicine at Johns Hopkins All Children’s Hospital. Previously, Dr. Shulkin was a developmental pediatrician at Greenville Health System in South Carolina. Dr. Shulkin gradated from New York University School of Medicine, followed by a post-graduate degree at Harvard School of Public Health. He went on to complete his residency at San Antonio Military Pediatric Consortium and a pediatric fellowship at Children's Hospital Boston. Dr. Shulkin’s clinical interests include assessment and treatment of developmental and learning disorders including autism spectrum disorders, communication disorders and academic learning.

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Christine Tapp, O.T.

Occupational Therapist