Mariel Nasis-Matuza, CPNP - Integrative Pediatrics

Mariel Nasis-Matuza, CPNP - Integrative Pediatrics Functional & integrative medicine www.integrativepediatricsli.com

I am a certified pediatric nurse practitioner (CPNP) specializing in integrative and functional medicine, looking for root causes of illnesses and always thinking “outside the box.” I care for children and their families all over the country, treating the whole child, not just the symptoms. Our goal is always to provide exceptional health care while also educating and empowering parents so they ca

n be their child’s leading advocate, and developing and delivering evidence-based treatment plans using the most cutting-edge research. I have treated Autism Spectrum Disorders, PANS/PANDAS, allergies, and mitochondrial and metabolic disorders, among many others.

To all the moms, grandmothers, stepmoms, caregivers, and mother figures — Happy Mother’s Day 💛 Thank you for the countle...
05/10/2026

To all the moms, grandmothers, stepmoms, caregivers, and mother figures — Happy Mother’s Day 💛 Thank you for the countless things you do each day that often go unseen. The comforting, encouraging, teaching, supporting, and loving that help shape your children’s lives in such meaningful ways. As a practitioner and as a mom, I know how much heart goes into caring for a family. I also know how easy it is to put yourself last while taking care of everyone else. Today, I hope you take your moment to feel appreciated, celebrated, and cared for, too.

You deserve it! Wishing you a beautiful Mother’s Day filled with love, connection, and special moments with the people who matter most.

Love,
Mariel

This National Nurses Week, I want to take a moment to recognize and thank all of the incredible nurses who care for othe...
05/06/2026

This National Nurses Week, I want to take a moment to recognize and thank all of the incredible nurses who care for others with compassion, patience, strength, and heart every single day. Nursing is so much more than a profession. It’s being there for families during difficult moments, offering comfort when it’s needed most, and advocating for patients every step of the way. I’m grateful to be part of this profession and deeply thankful for the nurses who continue to make a difference in the lives of so many children and families every day. 💛

Happy National Nurses Week to all the amazing nurses out there!
Love,
Mariel

Picky eater at home? You’re not alone. The goal is to find simple, nutrient-dense foods your child will love. Here are a...
04/29/2026

Picky eater at home? You’re not alone. The goal is to find simple, nutrient-dense foods your child will love. Here are a few of my go-to options for picky eaters:

🥚 Eggs: easy, versatile, and packed with protein for growing bodies
🥑 Avocado: full of healthy fats to support brain development
🍠 Sweet potatoes: naturally sweet and rich in fiber and vitamins
🫐 Berries: a kid-friendly way to add antioxidants and immune support
🌾Quinoa: naturally gluten-free, packed with vitamins & minerals, and a complete protein too

Small changes can make a big difference over time. Sometimes it’s not about changing everything but about choosing a few better options and building from there.

If you’re struggling with picky eating, I’m here to help you find what works for your child.

📞 631-314-8317
📧 hello@integrativepediatricsli.com
🔗 Link in bio

April is Autism Awareness Month. Every child experiences the world in their own unique way, and that individuality deser...
04/21/2026

April is Autism Awareness Month. Every child experiences the world in their own unique way, and that individuality deserves to be understood, supported, and celebrated. At Integrative Pediatrics, I take a personalized approach to care. For some families, that may include exploring nutrition, gut health, sensory support, and underlying factors that can impact focus, behavior, and overall well-being. My goal is never to change who a child is; it’s to support how they feel, function, and thrive so they can be the best they can be!

If you have questions, concerns, or just want a deeper understanding of your child’s needs, I’m here to help guide you.

📞 631-314-8317
📧 hello@integrativepediatricsli.com
🔗 integrativepediatricsli.com

There is nothing harder than watching your child struggle and feeling like you’ve run out of answers. This beautiful tes...
04/07/2026

There is nothing harder than watching your child struggle and feeling like you’ve run out of answers. This beautiful testimonial from Lila’s mom is a reminder that when care is truly personalized, compassionate, and focused on the why behind the symptoms, healing can happen in ways that change an entire family’s life. Stories like this are why Mariel does what she does. 💛

If you’ve been searching for answers for your child or even for yourself and feel like you’ve tried everything, you are not alone, and there may still be another path forward. Get in touch with Mariel here:

📞 631-314-8317
📧 hello@integrativepediatricsli.com
🔗 integrativepediatricsli.com

Ask Mariel: What’s the difference between PANS and PANDAS?Both conditions can cause sudden changes in a child’s behavior...
04/03/2026

Ask Mariel: What’s the difference between PANS and PANDAS?
Both conditions can cause sudden changes in a child’s behavior, mood, or neurological function, often including anxiety, OCD behaviors, or emotional shifts. The key difference is the trigger. PANDAS is linked specifically to strep infections, while PANS may be triggered by other infections or immune system stressors.

Identifying the underlying cause is an important step in helping children recover and regain balance. If you’re noticing sudden behavioral changes in your child, let’s get to the root of the problem.

📱 631-314-8317
🌐 www.integrativepediatricsli.com

Healthy fats are one of the building blocks of growing bodies. They support brain development, hormones, energy, and nut...
03/25/2026

Healthy fats are one of the building blocks of growing bodies. They support brain development, hormones, energy, and nutrient absorption in children. Foods like avocados, olive oil, nuts, seeds, and fish provide the healthy fats that help kids grow strong and feel their best. Small choices at the table can make a big difference in your child’s long-term health. Feed them well. Help them thrive. 🥑❤️

Need help with improving your child’s nutrition? Call Integrative Pediatrics to learn more.

📱 631-314-8317
🌐 www.integrativepediatricsli.com

Staying healthy doesn't come from holding a lucky charm, picking a four-leaf clover, or seeing a pot of gold at the end ...
03/17/2026

Staying healthy doesn't come from holding a lucky charm, picking a four-leaf clover, or seeing a pot of gold at the end of the rainbow. 🍀🌈💰 Feeling your best comes from understanding what your body needs and supporting it in the right way. At Integrative Pediatrics, I work with children and adults to take a closer look at what may be affecting their health. From nutrition and gut health to immune support, lab testing, and getting to the root cause, my goal is to help your whole family feel their best.

If you’re looking for answers or want a more personalized approach to your health, let’s start the conversation.

Because real health isn’t about luck; it’s the result of the right guidance and care. 🍀

📞 631-314-8317
📧 hello@integrativepediatricsli.com
🔗 integrativepediatricsli.com

This International Women's Day, we aren’t just celebrating how far we’ve come, but focusing on the foundation that keeps...
03/08/2026

This International Women's Day, we aren’t just celebrating how far we’ve come, but focusing on the foundation that keeps us going. As a woman-owned practice, I know that when we prioritize our health, our families and communities thrive. One of the most overlooked "superpowers" in a woman’s wellness toolkit? Protein. 🥩🫘

It’s more than just a macronutrient; it’s the building block for:
➡️Hormonal harmony
➡️Bone & muscle strength
➡️Immune defense
➡️Making enzymes and hormones
➡️Storing nutrients
➡️Source of energy

Good sources of protein include:
➡️Quinoa - complete protein, naturally gluten-free
➡️Eggs
➡️Meat and fish
➡️Nuts and seeds

Today, let’s honor the strength of women and the simple, daily choices, like fueling our bodies well, that make that strength possible. How are you fueling your "superpowers" today?

📞 631-314-8317
📧 hello@integrativepediatricsli.com
🔗 https://www.integrativepediatricsli.com/

03/06/2026

When a child comes into my office, I take my time and look at the whole picture. 💛

I focus on four important areas:

🧪 Vitamin and mineral deficiencies
🦠 Infections
🌿 Allergies
🧬 Toxin exposure, including MTHFR, and how your child’s body detoxifies

These are often the missing pieces that can impact how a child feels, grows, and thrives.

That’s why the lab work I order is thorough. I want parents to have real answers and children to get the support they truly need.

Children are our future. Let’s help them thrive.

📱 631-314-8317

This month on Eat Well with Mariel, let’s talk microgreens 🥬 These tender greens aren’t just pretty toppings; they’re nu...
02/25/2026

This month on Eat Well with Mariel, let’s talk microgreens 🥬 These tender greens aren’t just pretty toppings; they’re nutrient powerhouses.

Microgreens like broccoli, radish, arugula, and sunflower are:
🥗 Anti-inflammatory
🥗 Packed with calcium, Vitamins A, C, K, and iron
🥗 Helpful for detox and oxidative stress
🥗 Easy to sprinkle on almost anything: eggs, salads, wraps, and soups
✨ Bonus: Broccoli microgreens are especially powerful. It's rich in sulforaphane, a compound known for its anti-cancer properties.

Looking for simple ways to boost your family’s nutrition? Talk to Mariel. Get in touch with her here:
📞 631-314-8317
📧 hello@integrativepediatricsli.com
🔗 integrativepediatricsli.com

Address

33 Walt Whitman Road, Suite 135W
Huntington Station, NY
11746

Telephone

+16313148317

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