Gateway Little Smiles

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Gateway Little Smiles Our mission is to provide comprehensive pediatric dental care for infants, children, adolescents and patients with special needs. Peters, MO and Ballwin, MO.
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We strive to provide outstanding service in three great locations- Collinsville, IL, St.

It’s Dr. Mary’s birthday!! 🎂🎉🥳We’re so lucky to have her as part of our team and appreciate the warmth, dedication, and ...
10/14/2026

It’s Dr. Mary’s birthday!! 🎂🎉🥳

We’re so lucky to have her as part of our team and appreciate the warmth, dedication, and care she brings to our patients and families.

Wishing you the happiest birthday, Dr. Mary! 🎈

Things we’re ghosting this October 👻 🐥 1. Being scared of the dentist: We understand that visiting the dentist can feel ...
10/13/2026

Things we’re ghosting this October 👻 🐥

1. Being scared of the dentist: We understand that visiting the dentist can feel a little scary for some children. Our goal is to create a fun, comfortable, and positive experience that helps little ones build confidence and feel at ease with every visit.

2. Skipping brushing before bed: Brushing before bedtime helps remove plaque and food particles that build up throughout the day. With all the Halloween treats, a good bedtime brushing routine is extra important!

3. Waiting until something hurts to visit the dentist: Routine dental visits help keep little smiles healthy and allow your child’s dental team to monitor growth, development, and potential concerns.

4. Underestimating those little baby teeth: Baby teeth play an important role in chewing, speaking, and holding space for permanent teeth. Keeping them healthy supports your child’s overall oral health and development

📣 📣Gateway Little Smiles is now proudly accepting Medicaid at our Ballwin and St. Peters locations. We’re so happy to be...
10/13/2026

📣 📣Gateway Little Smiles is now proudly accepting Medicaid at our Ballwin and St. Peters locations.

We’re so happy to be able to welcome more families and help more children receive the dental care they need and deserve. 💙 We look forward to meeting you and your little ones!

📞 Please call our offices to confirm your coverage and benefits or to schedule an appointment:

📍 Ballwin: 636-527-2779
📍 St. Peters: 636-266-2229

Our offices are currently experiencing email issues and are working to get everything back up and running as soon as pos...
10/09/2026

Our offices are currently experiencing email issues and are working to get everything back up and running as soon as possible! If you need to reach us in the meantime, please give your local Gateway Little Smiles office a call.

Thank you for your patience and understanding!

📍Ballwin, MO: 636-527-2779
📍St. Peters, MO: 636-266-2229
📍Collinsville, IL: 618-346-8000

First dental visit with us, and he did SO good! 👍Starting early is one of the best things you can do for your little  on...
10/09/2026

First dental visit with us, and he did SO good! 👍

Starting early is one of the best things you can do for your little one’s smile, and we’re here to make those visits positive, comfortable, and FUN! 😊🫶

10/07/2026

Yes, SHE is in 😉 Meet Dr. Mary!

She joined us back in July & is currently accepting new patients at our Ballwin & St. Peter’s offices!

📍Ballwin, MO | 636-527-2779
📍St. Peters, MO | 636-266-2229

For more info, visit us at gatewaylittlesmiles.com

Happy National Child Health Day! 💙 Today is all about celebrating the health and well-being of our little ones. As pedia...
10/05/2026

Happy National Child Health Day! 💙 Today is all about celebrating the health and well-being of our little ones.

As pediatric dentists, we’re proud to play a part in supporting their oral health and helping kids build healthy habits that keep their smiles strong and happy as they grow.

📍Ballwin, MO: 636-527-2779
📍St. Peters, MO: 636-266-2229
📍Collinsville, IL: 618-346-8000

🌐 gatewaylittlesmiles.com

Exciting News for Families! 🎉🎉 Gateway Little Smiles is now proudly accepting Medicaid at our Ballwin and St. Peters loc...
10/01/2026

Exciting News for Families! 🎉🎉 Gateway Little Smiles is now proudly accepting Medicaid at our Ballwin and St. Peters locations.

We're excited to help more children receive the dental care they need and deserve! 📞 Please call our office to confirm your coverage and benefits or to schedule an appointment!

📍 Ballwin: 636-527-2779
📍 St. Peters: 636-266-2229

We look forward to welcoming new families and helping more little smiles shine!

Dr. Mary and this little superstar! ⭐️ Those super smiles are some of our favs >>>
09/30/2026

Dr. Mary and this little superstar! ⭐️ Those super smiles are some of our favs >>>

Today is a special day… because it’s Dr. James’ B-Day!! 🎂🎉🥳 Join us in wishing him a very happy birthday! We’re so grate...
09/28/2026

Today is a special day… because it’s Dr. James’ B-Day!! 🎂🎉🥳

Join us in wishing him a very happy birthday! We’re so grateful for the energy, kindness, and care he brings to our team and to every child and family he works with. 💙

Happy Birthday, Dr. James! We hope you have the best day! 🎈

Address

Ballwin, MO
63011

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 3:30pm
Thursday 8am - 5pm
Friday 8am - 2pm

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