Dr. Justine Koo, Psychologist PC

Dr. Justine Koo, Psychologist PC Licensed psychologist and certified school psychologist providing CBT therapy and comprehensive evaluations for children, teens, and adults.

Located in Deer Park, NY | In-person and virtual appointments available

Feeling overwhelmed by school stress? Try a simple CBT thought record today: 1) Notice the anxious thought ("I will fail...
08/04/2026

Feeling overwhelmed by school stress? Try a simple CBT thought record today: 1) Notice the anxious thought ("I will fail the test"). 2) Rate how much you believe it. 3) Look for evidence for and against that thought. 4) Replace it with a balanced thought ("I studied, so I can do my best"). This reduces avoidance and builds coping skills you can use before class or exams. As a CBT therapist, I guide teens and young adults on Long Island-Deer Park and Bay Shore-to practice these steps in real situations. My evidence-based approach helps you face anxiety, not avoid it. Ready to try one with support? Learn more at https://wix.to/MXsyw1b

If your child is struggling at school, withdrawing from friends, or showing sudden mood changes, we can help. Early asse...
07/21/2026

If your child is struggling at school, withdrawing from friends, or showing sudden mood changes, we can help. Early assessment by a licensed psychologist clarifies strengths, identifies needs, and guides practical steps. Compassionate, evidence-based care is available on Long Island - including Deer Park and Bay Shore - through my practice. Visit https://wix.to/r90Se1F to learn more and schedule an evaluation.

School stress often looks like missed assignments, frequent headaches, or a child avoiding class. I assess middle-school...
07/14/2026

School stress often looks like missed assignments, frequent headaches, or a child avoiding class. I assess middle-schoolers with both clinical licensure and school psychologist certification to identify what's behind the worry and build developmentally informed strategies. Families in Deer Park and Bay Shore see measurable benefits: better attendance, clearer classroom focus, and reduced anxiety. Learn how we can support your child - visit https://wix.to/flvbp3D to get started. 🧑🏫🌿

As a licensed and school psychologist, I help Long Island families notice early signs that a child or teen may need supp...
07/07/2026

As a licensed and school psychologist, I help Long Island families notice early signs that a child or teen may need support. Look for changes in mood or sleep, sudden drops in grades, social withdrawal, increased worry or irritability, and trouble concentrating at school. An initial assessment on-site in Deer Park includes a compassionate interview, brief standardized measures, and a plan focused on school and home functioning. From there we outline clear next steps: classroom recommendations, coping strategies, and referrals when needed. Early detection makes a real difference for learning and wellbeing. Call or visit https://wix.to/fJLGdb7 to schedule a consultation.

As a clinician on Long Island, I assess ADHD in teens with clear criteria and a compassionate approach, then work with f...
06/30/2026

As a clinician on Long Island, I assess ADHD in teens with clear criteria and a compassionate approach, then work with families and schools to build practical, multi-modal plans. You can expect improved attention, organized study routines, and stronger self-regulation. I combine behavioral strategies, school supports (IEPs/504 planning), therapy skills, and coordination with prescribers when medication is needed. Reach out to discuss assessment and tailored strategies for your teen. https://wix.to/k4FTSzP

We provide a clear, evidence-based autism evaluation that guides families every step of the way. Our assessment includes...
06/16/2026

We provide a clear, evidence-based autism evaluation that guides families every step of the way. Our assessment includes developmental and cognitive testing, autism-specific measures, speech and language screening, and behavioral observations. We complete testing and feedback on a timely schedule and translate results into practical school recommendations and individualized education program (IEP) goals. As a licensed psychologist and certified school psychologist, I work directly with families and school teams to ensure recommendations are implementable and focused on your child’s needs. We serve families on Long Island with appointments available in Deer Park and Bay Shore. Learn more and schedule a visit: https://wix.to/y3bsA49

We guide Long Island families through every step of an autism evaluation with clear, evidence-based care. I begin with a...
05/05/2026

We guide Long Island families through every step of an autism evaluation with clear, evidence-based care. I begin with an intake to learn your concerns, follow with standardized testing, coordinate with your child’s school, and provide individualized recommendations for supports and accommodations. You’ll leave with a practical plan and next steps. Ready to learn more? Visit https://wix.to/Armwasw 📋✅

ADHD: Signs, Assessment, and School-Focused Management for Long Island Youth — carousel guide. I explain clear signs of ...
05/05/2026

ADHD: Signs, Assessment, and School-Focused Management for Long Island Youth — carousel guide. I explain clear signs of ADHD across ages and the diagnostic steps licensed psychologists use. I describe evidence-based strategies: behavioral interventions, classroom supports, and school accommodations that help students thrive. My assessments inform individualized school plans and can guide IEP/504 supports for families in Deer Park and Bay Shore. Learn how a focused evaluation can unlock the right classroom supports for your child. Visit https://wix.to/4dJPJDR to start the conversation. 🧠📚

We help kids and teens on Long Island set clear, measurable goals — like improving classroom participation or building l...
05/05/2026

We help kids and teens on Long Island set clear, measurable goals — like improving classroom participation or building lasting friendships — and track progress in ways families can see. As a licensed clinician, I use simple markers: attendance in class, homework completion, number of social interactions, and self-reported confidence. If you’re in Deer Park or Bay Shore and want practical, compassionate support, visit https://wix.to/4ldOv2U to learn more. Ready to talk? Book a consultation today. 😊🌿

I’m Dr. Koo — here’s a simple 3-step CBT skill teens can use to manage intrusive thoughts. Try this: 1) Notice the thoug...
05/05/2026

I’m Dr. Koo — here’s a simple 3-step CBT skill teens can use to manage intrusive thoughts. Try this: 1) Notice the thought, 2) Label it (just a thought), 3) Shift your focus to a small, steady task. Practice it when you’re calm and use it when thoughts feel big. Learn more and schedule an evaluation at our Deer Park or Bay Shore offices: https://wix.to/UA8u6F1 🧠✨📍

Call to learn more and book an appointment.

Address

1550 Deer Park Avenue, Suite 1
Deer Park, NY
11729

Telephone

+13477094378

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