Comprehensive Autism Spectrum Disorder (ASD) Assessment & Testing Services in Pasadena, CA

Skip the 6-to-12-month waitlists.

Receive a rigorous, gold-standard clinical assessment and an empowering diagnostic blueprint for your child, your family, or yourself.

Does This Sound Like You or Your Child? Signs Pointing to an Adult or Child Autism Evaluation

Whether you are a parent searching for proactive answers or an adult trying to understand a lifetime of frustration, your struggles are valid. At our clinic located in Pasadena, we provide deep, compassionate care and specialized evaluations for autism spectrum disorder designed to support individuals and families across Southern California, including Los Angeles and Orange County.

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Children & Teens

Individuals struggling with unexpected routine changes, intense sensory sensitivities, difficulties in social communication, or displaying noticeable repetitive behaviors. We provide targeted support for children requiring a comprehensive evaluation to secure formal documentation for district support, IEPs, and school accommodations to support academic success.

Two students sitting at a table in a library, working with books, papers, and a laptop, with a large stack of textbooks on macroeconomics, advanced chemistry, and economic theory in the foreground.

College Students & Young Adults

Those feeling overwhelmed by complex new social landscapes, struggling with sensory overload or emotional regulation in unstructured environments, and seeking campus support or disability accommodations for the adolescent transitioning into independent living.

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Professionals & Adults

Bright individuals battling severe communication fatigue, navigating workplace sensory triggers, and masking their true traits until they are entirely depleted at the end of the day. Some neurodivergent individuals spend years camouflaging their struggles before finally seeking diagnostic clarity.

Finding the Root Cause: Comprehensive Autism Testing in Pasadena

Navigating social landscapes, sensory environments, or daily routines can feel profoundly exhausting when you process the world differently. Because this unique neurodevelopmental condition presents with deeply nuanced profiles that are sometimes masked—especially in bright individuals, women, and adults—a superficial symptom checklist or an informal online quiz simply cannot provide a definitive court-admissible diagnosis of autism spectrum disorder.

We practice strict diagnostic precision from a neurodivergent-affirming lens. Our goal is never to mislabel, but to identify the exact blueprint of your processing style. Through a thorough, 360-degree evaluation of your social communication, sensory profile, and cognitive strengths, we ensure you leave feeling deeply understood and empowered. (As a comprehensive diagnostic center, we also evaluate a wide range of other neurodevelopmental and cognitive profiles. Learn more about our dedicated ADHD Evaluation pathway.)

Rigorous Psychological Expertise: In-Person Autism Assessment & Diagnoses

Regional Leadership & Elite Training

You aren't just seeing a general clinic—you are working with recognized local leaders who specialize in advanced diagnostic testing and thorough evaluations. Director Dr. Allen Sung serves as the Vice President of the San Gabriel Valley Psychological Association (SGVPA), leading a dedicated team of specialists trained at premier clinical and academic institutions like UCLA, NYU Langone Health, and Rutgers University.

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No Long Waitlists

Don't wait half a year for clarity. As an independent private practice specializing in diagnosing autism, we prioritize unhurried, attentive care and typically have the clinical availability to begin the evaluation process within a few weeks, allowing you to receive a formal diagnosis without agonizing delays.

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A Culture of Kindness, Warmth & Respect

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We believe that premier clinical science is meaningless without genuine empathy. From your very first phone call to your final feedback session, you will be treated with deep respect, warmth, and hospitality. We pride ourselves on creating an inviting, supportive environment where you feel genuinely cared for every step of the way.

Clear Pricing, No Surprises.


Comprehensive autism assessment packages start at $4,900. Because we do not use a generic, "one-size-fits-all" approach, your exact investment will be confirmed based on clinical complexity and the specific diagnostic scope required to meet each individual’s unique needs. Please schedule a consultation with our care coordinator to discuss your intake details.

The Investment


We operate as an out-of-network private practice. For patients wishing to seek reimbursement from their insurance, our care team can provide an itemized "superbill" upon request, complete with the specific diagnostic codes required by PPO insurance carriers.

Out-of-Network Benefits


Your peace of mind is our priority from the moment you arrive. Enjoy the convenience of easy, free parking in our private building lot, leading into a clean, quiet, and highly professional office suite designed to provide a pleasant, peaceful space for your family.

A Welcoming Environment

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Our Collaborative Autism Assessment Process: From Initial Consultation to Clarity

A WELCOMING FIRST STEP

Pick a time on our live calendar for a free, 15-minute initial consultation. You’ll speak with a member of our dedicated care team who will listen to your story with warmth, respect, and zero pressure during this preliminary consultation.

View Open Consultation Times

THE COMPREHENSIVE EVALUATION

A comfortable, collaborative process starting with an in-depth clinical interview with you or your child's caregivers. Next, we utilize gold-standard assessment measures to map a complete profile of social communication, sensory processing, cognitive strengths, and adaptive functioning. We structure these face-to-face testing sessions efficiently to ensure an engaging and deeply supportive experience.

THE ROADMAP & PRESENTATION

We believe clinical insights should bring empowerment, not confusion. During your dedicated feedback session, we translate complex data into warm, accessible language so you fully understand your neurotype. Approximately two weeks later, you will receive a comprehensive written report.

This formal document offers highly tailored individualized and personalized recommendations that lay the groundwork for an effective, actionable treatment plan. Whether your roadmap involves targeted social skills training, neurodiversity-aligned behavioral therapies, or specialized long-term treatment for autism, this report provides the robust clinical evidence required to secure educational accommodations, workplace adjustments, and lifelong self-advocacy.

Proudly Serving Greater Los Angeles & The San Gabriel Valley

Proudly serving Pasadena, South Pasadena, Altadena, San Marino, La Cañada Flintridge, La Crescenta, Glendale, Burbank, Eagle Rock, Highland Park, Alhambra, San Gabriel, Rosemead, Monterey Park, El Monte, South El Monte, Temple City, Arcadia, Sierra Madre, Monrovia, Duarte, Azusa, Baldwin Park, West Covina, and surrounding communities.

Our Care Team

Frequently Asked Questions About Autism Spectrum Disorder & ADHD Evaluations

  • School assessments are strictly designed to evaluate a child's eligibility for special education support (like an IEP) within their classroom layout; they do not provide a formal clinical or medical diagnosis. Our private evaluations offer a comprehensive clinical diagnosis that evaluates the whole person, mapping overlapping conditions (such as ADHD, anxiety, or learning profiles). Our formal reports provide the extensive documentation recognized by healthcare networks, universities, workplace HR departments, and high-stakes testing boards.

  • We regularly provide comprehensive evaluations for college students, graduate students, and working professionals who are seeking clarity about their social, communication, or sensory experiences.

    Navigating adulthood with unanswered questions can be exhausting, and our goal is to provide definitive, objective answers. Because autism spectrum traits can heavily overlap with other clinical profiles—such as chronic anxiety, mood dynamics, or personality structures—we conduct highly rigorous, evidence-based differential testing. This comprehensive approach ensures we thoroughly investigate all possibilities to provide you with the most accurate, scientifically grounded diagnosis and the exact right clinical roadmap for your future.

  • "Masking" often refers to the exhausting process of hiding your internal struggles or natural traits to navigate social, academic, or work environments. We deeply validate how draining this experience is. Acting as if everything is fine when it takes immense cognitive energy just to get through the day frequently leads to profound, unexplained burnout.

    Yes, our clinical team is specifically trained to look past surface-level social skills to measure the internal energy it takes for you to maintain them. Because this intense social exhaustion can stem from a variety of underlying sources—including autism profiles, but also deeply internalized anxiety, mood dynamics, or complex relational patterns—we conduct a highly thorough, 360-degree evaluation. Our goal is to uncover the exact root cause of your burnout so we can provide you with the most accurate diagnosis and the most effective path toward true relief.

  • We recognize that seeking an evaluation can bring a complex spectrum of emotions—from deep validation and relief to natural worry or uncertainty. Our goal is never to reduce anyone to a limiting clinical label, but to provide a warm, strengths-based illumination of how your mind operates. We emphasize a solution-focused approach, holding space for all of your feelings while transforming data into a compassionate, empowering blueprint for real-world growth and self-understanding.

  • To ensure absolute precision, we utilize the definitive, gold-standard instruments recognized globally by clinical and academic institutions. Our evaluations typically feature the Autism Diagnostic Observation Schedule, Second Edition (ADOS-2), paired with comprehensive developmental histories, sensory processing measures, and adaptive functioning metrics. We never rely on a single test; instead, we integrate multiple rigorous data points to build a comprehensive, reliable, and legally robust clinical profile.

Let's Find Your Path Forward

Whether you are seeking a comprehensive neuropsychological evaluation or specialized therapy, we are here to help. Book a free 15-min consultation call to get your questions answered, or leave us a message below.