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Autism Testing in Falls Church & Ashburn, VA
Your child deserves understanding. You deserve support. We offer both.
Think Happy Live Healthy provides comprehensive autism spectrum evaluations for children, teens, and young adults through age 21 at our Falls Church and Ashburn offices. Our school and clinical psychologists use gold-standard tools to give your family clear answers and a clear next step, close to home in Northern Virginia.
Written by Christine Willing, M.Ed., School Psychologist & Founder
Reviewed and updated March 2026
✓ Serving Falls Church & Ashburn, VA
✓ In-person & telehealth options
✓ Ages 16 months through 21 years
✓ Response within 1-2 business days
Who We Serve
We provide comprehensive autism testing and assessment services for children and adolescents from toddlerhood through age 21, meeting the developmental needs of each age group at our Falls Church and Ashburn locations.
Toddlers & Preschoolers
16 months to 5 years. Early screening using age-appropriate diagnostic tools.
School-Age Children
6 to 12 years. Evaluation that considers both academic and social functioning.
Adolescents & Young Adults
13 to 21 years. Assessment that addresses teenage development and transition planning.
Full-Range Expertise
Our school and clinical psychologists work across this entire age range, so your child receives a developmentally appropriate assessment whenever you reach out.
Understanding Autism Assessment and Diagnosis
Autism testing is a comprehensive process that goes beyond a single checklist or screening tool. Unlike conditions diagnosed with a blood test, autism spectrum disorder requires careful observation of behavior, social communication, and developmental history using evidence-based tools.
Social Communication and Interaction: how your child connects with peers and adults, uses language, and engages in back-and-forth exchange.
Behavioral Patterns and Interests: repetitive behaviors, focused interests, and sensory processing differences, understood as strengths and preferences as much as areas of difference.
Developmental History: detailed interviews with parents and caregivers about early milestones, current functioning, and emerging concerns.
Functional Assessment: how autism spectrum characteristics show up at school, at home, and in relationships with other children.
Autism Testing for Falls Church Families
Convenient to the City of Falls Church & Fairfax County
Our office at 256 N. Washington Street, Suite 2, sits in the heart of Falls Church, minutes from Seven Corners and Merrifield and an easy drive for families throughout Fairfax County and Arlington. Parents balancing school pickup, work in DC, and appointments across Northern Virginia consistently tell us the location matters.
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Close to Falls Church City Public Schools and neighboring Fairfax County school communities
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Straightforward parking near our Washington Street suite
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Same team of school and clinical psychologists who understand local school documentation requirements for IEPs and 504 Plans
What Falls Church Parents Ask Us Most
Families in this area often come to us after a teacher raises a question about social communication, or after noticing that a toddler is not reaching language milestones. Others are parents who suspect autism in a teenager who has been masking differences for years.
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Guidance on what a Falls Church City or Fairfax County school needs to support an IEP or 504 Plan
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Clear next steps after a pediatrician suggests further evaluation
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A second opinion when an earlier screening felt incomplete
Autism Testing for Ashburn & Loudoun County Families
Serving Ashburn, Leesburg, Sterling & Lansdowne
Our Ashburn office at 20955 Professional Plaza, Suite 310/320, gives Loudoun County families a full autism evaluation team without a trip into Fairfax or DC. We regularly work with families from Ashburn, Brambleton, Broadlands, Lansdowne, Leesburg, and Sterling.
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Convenient for families navigating Loudoun County Public Schools' evaluation and accommodation process
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In-person testing sessions with telehealth available for interviews and feedback
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A team that understands the pace of Loudoun County's fast-growing communities and busy commuter households
Built for Loudoun County's Fast Pace
Many Ashburn-area parents are balancing long commutes into DC or roles at nearby data centers and tech employers, alongside a child's developmental questions. We designed our intake process, response times, and telehealth options with exactly that kind of household in mind.
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A referral coordinator who personally reviews every inquiry, usually within a few hours
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A free 15-minute consultation before you commit to the full evaluation
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Written reports formatted to support requests to Loudoun County Public Schools
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Why Early Detection Matters
Early identification of autism spectrum disorder can meaningfully change a child's developmental trajectory. Children who receive early intervention tend to show stronger outcomes in social communication, adaptive behavior, and overall quality of life.
The American Academy of Pediatrics recommends autism screening at 18 and 24 months during routine pediatrician visits. Many parents, especially those who spend the most time observing daily behavior, notice signs even earlier, and those observations matter in the screening process.
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Access to Services: a formal diagnosis opens the door to early intervention and educational support
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Family Understanding: understanding behavior patterns reduces stress and builds a more supportive home
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Educational Planning: early identification means accommodations are in place from the start of school
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Sibling Support: when the whole family understands autism spectrum characteristics, everyone is better supported
Our Comprehensive Autism Testing Services
We use gold-standard diagnostic tools to build a complete picture of your child's development.
MIGDAS
The Monteiro Interview Guidelines for Diagnosing the Autism Spectrum offers a structured, conversational approach to gathering detailed information about social communication and behavioral patterns across developmental levels.
CARS-2
The Childhood Autism Rating Scale, Second Edition, provides a quantitative measure of severity based on direct observation, helpful for understanding needs in school settings and with peers.
ASRS
The Autism Spectrum Rating Scales evaluate behaviors across home, school, and community settings, giving our team insight into how autism spectrum characteristics show up in different environments.
Full Evaluation Process
Developmental assessment, behavioral observation, a detailed family interview, and a medical history review come together into one comprehensive evaluation and written report.
What Makes Our Approach Different
Personalized Care for Every Family
No two children with autism spectrum disorder are exactly alike, and our process is tailored to your child's developmental level and your family's priorities.
Family-Centered Philosophy
An autism diagnosis affects parents, siblings, and extended family. We provide support and resources for everyone involved, not just the child being evaluated.
Strengths-Based Perspective
Alongside areas of need, we recognize the talents and perspectives that children with autism spectrum disorder bring to their families and communities.
Supporting Families Throughout the Process
Streamlined Intake Process
A referral coordinator personally reviews every inquiry to match your family with the right provider. Most families hear from a real person within a few hours, and always within 1 to 2 business days, plus a free 15-minute consultation before the formal evaluation begins.
Flexible Service Options
We offer in-person testing at our Falls Church and Ashburn offices, with telehealth available for interviews and feedback sessions, so geography and scheduling do not stand between your family and a clear answer.
Ongoing Support and Resources
After diagnosis, our team helps families navigate educational planning, connect with community resources, and adjust support strategies as your child grows
Frequently Asked Questions About Autism Testing
Think Happy Live Healthy offers a diverse array of specialized mental health services designed to meet the needs of a modern community. Their offerings range from comprehensive ADHD and autism evaluations to specialized Dialectical Behavior Therapy (DBT) skills training and perinatal support for new parents. Additionally, the practice features a unique "Workplace Wellness" initiative, providing licensed therapy and workshops for organizations to support employee mental health, reduce burnout, and foster a healthier professional culture.