Gregan Psychological Services offers professional psychological evaluations and support. What makes Gregan Psychological Services different?
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Extensive expertise in autism spectrum disorder (ASD), attention deficit hyperactivity disorder (ADHD) and other developmental disorders.
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Short Wait Times to book evaluations and get the answers and supports you need.
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Direct one-on-one services with Dr. Gregan.
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Committed to being supportive and compassionate, ensuring that every individual receives the care and attention they deserve.
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Welcome to Gregan Psychological Services

Meet Dr. Molly Gregan, Psy. D., NCSP
Dr. Gregan is a distinguished developmental psychologist with over 20 years of expertise specializing in Autism Spectrum Disorder, ADHD, learning differences, and developmental disorders. She is well versed in the special education process and the criteria to receive services in Arizona. With an indepth understanding of Autism Spectrum Disorder, Dr. Gregan is dedicated to providing families with accurate diagnoses and comprehensive resources that lead to essential support services. Her compassionate approach and comprehensive evaluations assist in ensuring personalized care and effective treatment recommendations. Through her commitment to empowering families, Dr. Gregan aims to make a lasting impact on the lives of the people she serves.
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​Credentials:
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Licensed Psychologist, Arizona Board of Psychologist Examiners
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Nationally Certified School Psychologist, National Association of School Psychologists
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Certified School Psychologist, Arizona Department of Education
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Certified Speech Language Technician, Arizona Department of Education
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Completed an Association of Psychology Postdoctoral and Internship Centers (APPIC) approved postdoctoral residency and internship through the Arizona Psychology Training Consortium receiving advanced training in educational psychology, neuropsychology, developmental psychology and forensic psychology
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Doctorate of Psychology, Argosy University
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Master of Arts in Psychology, Argosy University
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Bachelor of Science Degree, Speech and Hearing Science, Arizona State University.