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Claire Thomas-Duckwitz, PhD

Autistic Adult Services, Behavior Therapy, Diagnosis, Psychiatry / Psychology / Counseling, Social Skills / Frienships / Life Skills

719-930-4413

2350 17th Avenue Unit 104

Longmont

CO

80540

dr.duckwitz@longmontneurodevelopment.com

Insurance: 

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Claire Thomas-Duckwitz, PhD is a licensed psychologist and school psychologist in Colorado, specializing in diagnostic evaluations for autism, intellectual disabilities, and ADHD (ages 5–60), and providing therapy for adults with ADHD and/or autism. My background in school psychology and special education law helps me effectively support clients in navigating school systems.

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Providing support and recreational opportunities for individuals on the autism spectrum and their families.

Email: info@autismboulder.org

Phone: 720-272-8231

Registered 501(c)(3)Charity

EIN: 20-0574440

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© 2026 Autism Society of Boulder County. All rights reserved.

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