Gateway Psychiatric Group LLC

Gateway Psychiatric Group LLC

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We want to know how you're feeling. And we will take the time to listen. Come see the benefits of private practice.

11/11/2025

Happy Holidays!
We will be closed on the following dates in observance of the holiday season:
November 27th - 28th
December 24th - 26th
December 31st - January 1st

Please make sure to request your refills before 4pm on November 26th, December 23rd, and December 30th.

10/20/2025

Due to a technical outage beyond our control, our phone line, text line, and EMR systems are currently down. We are waiting diligently for the systems to reboot and will address all messages once they do.

We appreciate your patience. If you have an appointment today, please by on standby.

09/09/2025

๐ŸŒŸ Now Accepting New Patients! ๐ŸŒŸ

Kelsey Lonergan is a compassionate and experienced Pediatric Psychiatric Nurse Practitioner dedicated to helping children and teens thrive emotionally and mentally.

Specializing in the treatment of:
โœ… ADHD
โœ… Anxiety
โœ… Depression
โœ… Oppositional Defiant Disorder (ODD)
โœ… PTSD

Whether your child is struggling at school, at home, or in relationships, Kelsey provides personalized, evidence-based care in a supportive environment. She partners closely with families to create a treatment plan that worksโ€”because every child deserves to feel their best.

๐Ÿฉบ In-network with many major insurance plans
๐Ÿ“ Offering in person and virtual appointments

Early support makes a lifelong difference. Letโ€™s help your child take that next step forward. ๐Ÿ’™

Want your practice to be the top-listed Clinic in St. Louis?
Click here to claim your Sponsored Listing.

Telephone

Address


11124 South Towne Square. Suite 100
St. Louis, MO
63123

Opening Hours

Monday 9am - 4pm
Tuesday 9am - 4pm
Wednesday 9am - 4pm
Thursday 9am - 5pm
Friday 9am - 12pm