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Dr. Theresa Regan Autism Expert

ABOUT ME

Theresa Regan, PhD, CAS

  • Neuropsychologist: Specialist in Brain-Behavior Relationships

  • Clinical provider in hospital settings > 30 years

  • Founder and Director of an Autism Diagnostic Clinic for ages 14 and over 

  • Experienced in autism assessment (nearly 1000 adolescent and adult evaluations) and psychotherapy

  • Has served individuals from 11 states outside of IL who travel to receive an evaluation

  • Author: Understanding Autism book series

  • Podcast Host: Autism in the Adult

  • Author of CE courses for professionals: Zur Institute Autism Certificate

  • Mother of an autistic young adult

Autism expertise is essential for providing accurate diagnoses and effective support for individuals on the spectrum across their lifespan. At Autism in the Adult, Dr. Theresa Regan leverages her extensive experience as a neuropsychologist to guide individuals and families through the complexities of autism. Whether through her books, podcast, or one-on-one consultations, Dr. Regan's resources are designed to enhance understanding and improve daily living for neurodiverse individuals.

Testimonials

Your podcast has helped me in my personal life so much and I'm very grateful for all of your information and that you communicate in such a positive and considerate manner.

smiling female professional
Read, Listen, Grow
Understanding Autistic Behaviors
Adult Autism behaviors book

Designed by Dr. Regan to help you recognize neurologic behaviors and respond in ways that promote positive change. Each chapter includes education followed by a workbook format allowing you to put your knowledge to use for the ASD individual in your life.   

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Whether you are an individual on the autism spectrum, a parent, caregiver, teacher, or clinician, this book will help you achieve positive behavior change at ANY age.

Understanding Autism in Adults and Aging Adults
Adult Autism book

A unique resource created to enhance the accurate diagnosis of autism spectrum disorder in adults. The book includes compelling clinical narratives that vividly illustrate the concepts discussed. The guide provides strategy-driven interventions to tackle personal and household management challenges, medical care, communication, sensory processing, and emotional and behavioral centering.

Zur Institute clinical training
Autism Certificate Program

Zur Institute is now offering an autism certificate program with bundled course options for professionals. I'm happy to have authored many of the courses.​​

Podcast

Autism in the Adult

Over half a million downloads
150 + countries
4.8 rating Spotify
4.9 rating Apple Podcasts
Completely free content focused on topics relevant to daily life on the spectrum. 

Have you explored the website? Check out the many pages dedicated toward clinicians, autistic adults, and family members. You can read articles, find the podcast, or book sessions with Dr. Regan directly through the website. Have additional questions? Feel free to email Dr. Regan and her team using the contact form. 

Contact

adultandgeriatricautism@gmail.com

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  • Can Dr. Regan suggest a provider in my state?
    Dr. Regan does not maintain a nationwide list of referral options at this time.
  • As a professional clinician, can I schedule an appointment with Dr. Regan?
    Dr. Regan offers various training opportunities for clinicians. Visit the "For Clinicians" page on her website for details on professional consultation appointments, CEU courses, and a free clinicians' group.
  • Is insurance accepted for appointments with Dr. Regan?
    Appointments with Dr. Regan at OSF Saint Francis Medical Center are billed through the hospital, and any insurance accepted by the hospital can be used. Please verify coverage with your insurance provider before the appointment. Video appointments via Dr. Regan's website are self-pay. For more details, visit the video visits page.
  • Does Dr. Regan conduct diagnostic assessments?
    Dr. Regan specializes in autism assessments for adolescents, adults, and older adults, having completed over 1,000 evaluations, including around 400 for females. She performs diagnostic assessments exclusively at OSF Saint Francis Medical Center in Peoria, IL, with a current waitlist of about four years. While she does not offer diagnostic evaluations through her website, she provides one-hour video consultations on topics like communication, relationships, household living, emotional regulation, and work. These can be scheduled via the video visits page.
  • Can I schedule a video visit with Dr. Regan if I am out of state?
    Dr. Regan does not conduct diagnostic evaluations via video sessions. However, you can book a one-hour consultation to discuss daily living topics such as calming anxiety, effective communication, relationship repair, navigating neurodiverse households, and improving organization and productivity. Note that Dr. Regan cannot provide video consultations for individuals in Alaska, California, Guam, Iowa, Hawaii, Louisiana, Massachusetts, Montana, New Mexico, New York, Oregon, countries outside the USA, or Illinois due to contractual obligations with her employer.
  • How can I get on Dr. Regan's evaluation waitlist in Peoria?
    Dr. Regan conducts diagnostic assessments at OSF Saint Francis Medical Center in Peoria, IL. She sees patients aged 14 and older including adolescents, adults, and older adults. She has a four-year waitlist. To be placed on the waitlist, please have your physician call 309-655-7378 for instructions on how to send a referral. Once this is complete, a member of staff will contact you to hold your appointment date.

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