Programs & Services

Meet the Team

The Hypothalamic Hamartoma (HH) Center is a specialty within the Barrow Neurological Institute at Phoenix Children's Hospital. Our multidisciplinary team of specialists participate in the evaluation and treatment of children with hypothalamic hamartoma (HH). The team works closely with the adult HH program at Barrow Neurological Institute at St. Joseph's Hospital and Medical Center.

P. David Adelson, MD
Director, Barrow at Phoenix Children's

Ruth Bristol, MD
Co-Director, HH Program

John Kerrigan, MD
Co-Director, HH Program

Diana Larocque, RN, BNS, CPN
HH Program Coordinator

Raymond Bunch, MD
Psychiatrist

Randa Jarrar, MD
Neurologist/Epileptologist

Marika Maris, PhD
Neuropsychologist

Donald McClellan, MD
Endocrinologist

Oliver Oatman, DO
Endocrinologist

Christina Ortega, PsyD
Neuropsychologist

Lisa Soeby
Patient Liaison

Matthew Troester, DO
Neurologist/Epileptologist

Angus Wilfong, MD
Division Chief, Neurology

Korwyn Williams, MD, PhD 
Neurologist/Epileptologist

For more information, please contact Diana Larocque, RN, BNS, CPN at (602) 933-0468 or dlarocque@phoenixchildrens.com

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