Arch Pediatrics

Arch Pediatrics

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Drs. Robert Atteberry, Mia Ganninger, Dean Odegard, and Danielle Larsen are excited to welcome you to our practice in Sunset Hills- Arch Pediatrics.

06/10/2026

Parents aren’t always sure when they should call their pediatrician for concerns about their baby. Danielle Larsen, MD, a WashU Medicine pediatrician at Arch Pediatrics, describes times when she wants to hear from families.

To make an appointment at our convenient South County St. Louis office, please call 314-525-0580.

06/10/2026
06/02/2026

📋 A Friendly Reminder About Our Patient Portal 📋

We love that so many of our families use the patient portal to stay connected with us! It's a great tool for quick questions and accessing your child's health records.
However, there are some requests that we may not be able to fully address through a portal message alone. These include:
🔹 Requests for new prescriptions or medication changes
🔹 Sending photos of rashes, injuries, or other symptoms for diagnosis

Why?
Because your child's safety comes first. Prescribing medication and evaluating skin changes, injuries, or other concerns often require a hands-on examination. Without seeing your child in person, we may not have the full picture needed to make the safest and most accurate medical decisions.

✅ What the portal IS great for:

• Requesting prescription refills for current medications
• Asking general, non-urgent questions
• Reviewing test results and visit summaries

If you send a portal message with a prescription request or a photo asking for a diagnosis, our team may ask you to schedule an office visit so we can properly evaluate your child. This isn't to create extra steps — it's to make sure your child gets the best care possible.
Thank you for understanding, and as always, we're here for your family! 💙
📞 For urgent concerns, please call our office directly. For emergencies, call 911 or go to your nearest emergency room.

05/21/2026

Happy Birthday Dr. Larsen

05/20/2026

We have an amazing and fun group at Arch Pediatrics!

05/10/2026

Happy Mother’s Day to all the amazing moms, grandmothers, caregivers, and mother figures in our Arch Pediatrics family! 🌷

Thank you for the endless love, patience, strength, and care you give every single day. From late-night fevers to cheering on milestones big and small, you are the heart of your families and an important part of our community.

Today we celebrate YOU and all that you do. Wishing you a day filled with love, joy, and a little time to relax. 💕

Happy Mother’s Day from all of us at Arch Pediatrics!

Photos from Arch Pediatrics's post 05/07/2026

Happy Healthcare Worker Appreciation Week at Arch Pediatrics!
We are so grateful for our amazing team of caring and kind individuals.
Drop a note for your favorite Arch employee ❤️❤️❤️

05/06/2026

Did you know babies don’t have seasonal allergies? Their bodies aren’t the same as adults. Danielle Larsen, MD, a WashU Medicine pediatrician at Arch Pediatrics, explains some fascinating differences between newborns and grownups.

To make an appointment at our convenient South County St. Louis office, please call 314-525-0580.

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3844 S. Lindbergh Boulevard, Suite 216
St. Louis, MO
63127

Opening Hours

Monday 7:30am - 5pm
Tuesday 7:30am - 5pm
Wednesday 7:30am - 5pm
Thursday 7:30am - 5pm
Friday 7:30am - 5pm