Psychological Testing in Naperville, IL
Psychological testing & diagnostic mental health evaluations — ADHD, learning, cognitive & differential-diagnosis
Gryzbek Therapy offers two paths to diagnostic clarity in Naperville — comprehensive psychological testing for ADHD, learning, cognitive, and differential-diagnosis questions, and structured diagnostic mental health evaluations.
- Comprehensive cognitive, attention, and learning batteries
- Integrated written reports with diagnostic and accommodation language
- Psychological testing for for school, college, workplace, or licensing-board documentation.
Testinged to your clinician within 1 business day. No waitlist, no triage queue.
Serving Naperville · DuPage County · Lisle · Warrenville · Wheaton · Aurora · Statewide Illinois telehealth
Questions psychological testing can answer
ADHD vs anxiety-driven attention
Attentional problems can come from ADHD, anxiety, depression, sleep deprivation, or stress overload — the treatment recommendations diverge significantly. A standardized cognitive battery measures attention directly and separates the patterns. The conclusion is anchored in data, not self-report alone.
Learning disability evaluations
Reading, writing, or math difficulties that persist despite effort and instruction may meet criteria for a specific learning disability. Standardized achievement testing alongside cognitive measures clarifies whether the pattern is an SLD, an attention issue presenting as a learning issue, or a different pattern altogether.
Differential diagnosis
When a presentation could be ADHD, depression, an anxiety disorder, a learning issue, or some combination, a comprehensive psychological evaluation systematically distinguishes the contributors. The integrated report identifies the primary diagnosis — which changes the treatment plan in concrete ways.
Pre-treatment baseline and clarity
Some clients arrive without a clear diagnostic picture and want one before committing to a treatment direction. A comprehensive evaluation establishes the baseline, names what’s going on, and matches the recommendation to the data. The evaluation often saves months of mis-targeted therapy.
Documentation for school, work, or licensing
School 504 plans, college disability services, ADA accommodations at work, or extended time on professional licensing exams all require formal diagnostic documentation backed by standardized testing data. The report we produce is built to land in the destination it’s going to.
Three battery types, matched to your question
ADHD battery
(Clinical interview, cognitive measures, rating scales)
Comprehensive ADHD evaluation across attention, working memory, processing speed, and inhibitory control — combined with structured clinical interview and standardized rating scales (self + collateral). The integrated report distinguishes ADHD from anxiety-driven attention issues and provides accommodation language for school, work, or licensing destination.
Learning disability battery
(Cognitive + achievement + processing measures)
Learning disability evaluation combines cognitive ability measures with standardized academic achievement testing across reading, writing, and math. The battery identifies whether the pattern meets criteria for a specific learning disability and produces documentation appropriate for school, college, or licensing accommodations.
Differential / diagnostic clarification battery
(Cognitive, mood, and personality measures)
When the presentation is ambiguous — could be ADHD, depression, anxiety, or some combination — the differential battery combines cognitive measures with mood and personality measures to identify the primary contributor. Often the most clinically useful battery for adults seeking diagnostic clarity before committing to treatment.
What the integrated report produces
Clear diagnostic conclusion
A diagnostic conclusion with the reasoning shown — not a one-line code, an integrated formulation drawing on the interview, cognitive measures, achievement measures (when relevant), and rating scales. The reasoning is what makes the diagnosis travel well to a psychiatrist, school, or licensing board.
Why standardized administration matters
Standardized testing requires standardized administration. Joe or Tim conducts the testing directly — no technicians, no junior staff — which preserves the validity of the measures and the defensibility of the conclusions. The destination (psychiatrist, school, licensing board) reads the rigor of the work as much as the content of the report.
What the accommodation language enables
If a diagnosable condition is identified, the report includes specific accommodation recommendations grounded in the testing data — school 504 plans, college disability services, workplace ADA, or licensing-board extended-time on professional exams. The language is purpose-built for the destination, not generic.
From first call to integrated report
Intake
You reach out via the form or call (630) 474-1006. We schedule a 55-minute intake to gather developmental history, current concerns, and the question the evaluation needs to answer. The intake anchors which battery is appropriate.
Testing
Testing runs across two to three appointments — your matched psychologist (Joe or Tim) conducts all standardized administration directly. Clinical interview, cognitive measures, achievement or personality measures as appropriate, rating scales, and collateral input.
Integrated Report
A written report integrating the interview, cognitive measures, achievement or personality data, rating scales, and collateral input. Diagnostic conclusion with reasoning, accommodation recommendations if appropriate. Typical turnaround is 2 to 4 weeks. Includes a feedback session to walk through the findings.
Signs it’s time
You don’t have to be in crisis to qualify for therapy.
MODALITY
In-person testing. With telehealth intake and feedback available.
Standardized testing is conducted in-person at 1979 N Mill Street, Naperville. Intake and feedback sessions are available via secure Illinois telehealth.
Why a screener isn’t a comprehensive evaluation
Inherited patterns
A screener is a self-report questionnaire that flags possible patterns. It does not measure attention, working memory, processing speed, or achievement directly. It cannot distinguish ADHD from anxiety-driven attention issues. A comprehensive evaluation does the standardized cognitive testing the screener cannot — which is what destinations like schools, employers, and licensing boards require.
High-achiever cost
Many high-functioning adults compensated through intelligence and effort for years before the system stopped scaling. The pattern looks like burnout but the underlying picture often includes ADHD, a learning issue, or executive function variance. A comprehensive evaluation clarifies what was always there.
Unprocessed life transitions
Major life transitions that change cognitive demand — graduate school, parenting, leadership role, demanding career — often surface patterns that had been managed before. The trigger isn’t the cause; the wiring was always there. Testing confirms and clarifies.
Neurobiological wiring
Cognitive variation is heritable. Family history of ADHD, learning differences, or other cognitive patterns is informative for the differential. A comprehensive evaluation maps the wiring you have and matches the recommendations to the actual data, not generic suggestions.
Other Therapy Services
More services at Gryzbek Therapy
Individual Therapy · Couples Therapy · Marriage Counseling · Family Therapy · Adolescent Therapy · PSYPACT Telehealth · Psychological Testing · ADHD Testing
Gryzbek Therapy conducts comprehensive psychological evaluations
Joe or Tim conducts the testing directly — standardized administration, integrated reporting, accommodation language.
Meet the full team at Gryzbek Therapy. Our Team →
OUR LOCATION
Visit us in Downtown Naperville
Gryzbek Therapy & Psychological Services
1979 N Mill Street, Suite 204
Naperville, IL 60563
Hours
Mon–Fri: 8:00 AM – 8:00 PM
Sat: 9:00 AM – 2:00 PM
Sun: Closed
Frequently asked questions about psychological testing
How long until I feel better?
From intake to integrated report typically runs 4 to 6 weeks. Intake schedules within 1 to 2 weeks of your first contact. Testing appointments are usually two visits across 1 to 2 weeks. Report turnaround is 2 to 4 weeks after the final testing session, followed by a feedback session.
Will my insurance actually cover this?
We’re in-network with BCBS PPO, Aetna PPO, United Healthcare PPO, and Medicare. For other plans, we bill out-of-network benefits on your behalf — you don’t submit anything yourself. Coverage depends on your specific plan. We verify benefits at intake so you know what you’re walking into.
What if I don’t click with my testing clinician?
Testing is conducted by Joe or Tim — both licensed psychologists. We match you to the clinician whose schedule aligns with your timeline, with all standardized administration conducted directly by your matched psychologist — not by technicians or junior staff.
What’s the difference between psychological testing and a diagnostic mental health evaluation?
We offer both, and the right fit depends on what you’re trying to find out. A diagnostic mental health evaluation uses a structured clinical interview and validated symptom inventories (PHQ-9, GAD-7, PCL-5, Y-BOCS, MMPI-3, PAI as relevant) to clarify a mental health diagnosis — anxiety, depression, mood, OCD, trauma, personality presentations — with a written diagnostic summary and treatment recommendations. Typically 2–4 clinician hours. Psychological testing adds standardized cognitive, attention, achievement, or personality measures (6–10 clinician hours) and is the right path when ADHD or learning differences are suspected, autism-spectrum considerations are present, or school, college, workplace, or licensing-board accommodations require formal documentation. We recommend the right level when you book.
Will the report support medication referral to a psychiatrist?
Yes. If a relevant diagnosis is identified, the integrated report provides the diagnostic clarity a psychiatrist needs for medication consideration. We don’t prescribe — we provide the diagnostic foundation, and you take the report to your psychiatrist or primary care provider for the medication conversation.
Will the report support school or workplace accommodations?
Yes. If a diagnosable condition is identified, the report includes specific accommodation recommendations appropriate for the destination — school 504 plans, college disability services, workplace ADA accommodations, or licensing-board extended time on professional exams. The language is purpose-built.
Will you prescribe medication?
No. We’re a testing and therapy practice — no prescribers on staff. The evaluation produces the diagnostic foundation; medication management runs with your psychiatrist or primary care provider, using our report as the clinical reference.
Can psychological testing be done via telehealth?
The standardized testing portion is conducted in-person at our Naperville office to preserve administration validity. The intake interview and the feedback session can be conducted via secure Illinois telehealth. We’ll structure the schedule at the intake.
Related Specialties
ADHD Testing · Diagnostic Evaluation · Trauma Therapy · Postpartum Therapy · Grief & Bereavement · Stress Management · Life Transitions · LGBTQ+ Affirming · Multicultural Counseling
READY TO START
Get diagnostic clarity. Comprehensive evaluation, integrated report, accommodation language.
Schedule a comprehensive psychological evaluation or a diagnostic mental health evaluation. Naperville office, in-network insurance accepted.