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LifeStance Therapists & Psychiatrists in Chesterfield, MO

Choose in-person or virtual visits covered by most insurance.

LifeStance Health
Chesterfield, MO

16020 Swingley Ridge Road, Suite 300
Chesterfield, MO 63017

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Phone: 636-681-2620 Medicare Phone: 636-681-2620 Billing Phone: 253-254-5913 Fax: 636-939-2551

Hours Of Operation

Monday
8:00 am - 5:00 pm
Tuesday
8:00 am - 5:00 pm
Wednesday
8:00 am - 5:00 pm
Thursday
8:00 am - 5:00 pm
Friday
8:00 am - 5:00 pm
Saturday
Closed
Sunday
Closed

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Providers At This Location


Chesterfield, MO Lifestance Location

About LifeStance Health
Chesterfield, MO

Our Chesterfield, MO office is a full-service mental health care clinic located at 16020 Swingley Ridge Road, Suite 300. At LifeStance Health we help clients lead healthier, more fulfilling lives by providing access to trusted, affordable, and personalized mental healthcare.

Our psychiatrists, therapists, and psychologists offer in-person and remote appointments.

All therapy, counseling, psychiatry, and mental health services professionals are licensed by the state of Missouri.

Ages Served

  • Adolescents / Teens
  • Adults
  • Seniors / Geriatrics

Languages Spoken

  • English
  • French

See what our patients are saying

I have seen Haley Koepp, DNP, BA, PMHNP, RN twice now and I am 100% satisfied and could not be happier. It is completely wonderful to see a psychiatrist who truly cares about my wellbeing. LifeStance communicates via text and email with regard to notices of appointments, etc. They have a patient portal, which has been working great for me. When I needed to speak to someone with regard to a prior authorization, I was able to speak to a real person and received results promptly. I highly recommend this facility and I have the upmost respect for Haley’s commitment to her career and recommend her to anyone and everyone. I am definitely a happy camper since I switched to this facility and Haley as my psychiatrist.
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Rita W.

Rita W.

Jan 28, 2026
Our Website Birdeye
I had my first appointment today at LifeStance Health with Haley Koepp, DNP, PMHNP-BC. The office is Very modern, clean and located in a nice business complex. The office did a great job at staying in communication with me prior to my visit. I was able to get all of my registration completed prior to my appointment. My Appointment with Haley was wonderful. She was friendly, personable, And attentive in listening. It was obvious she cares about her patients And I felt welcome the moment I stepped into her office. I feel very confident I have found a great psychiatrist with what appears to be a great Organization as well. I am looking forward to my next visit.
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Rita

Rita

Jan 15, 2026
Google Google
I had a nice experience with my doctor. Dr. Thirtala listened to my concerns and asked questions Being comfortable with a new medical provider and having a candid conversation is the most effective therapy one could hope for. She was very understanding and helpful. Thankful for her support and guidance as I transition to a new psychiatrist. Christina McDermott
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Chris m.

Chris m.

Nov 11, 2025
Google Google
I see therapist Stephan Baker I do flash therapy, which is part of EMDR with him and I can tell you that I have had phenomenal results in an extremely short amount of time. I don’t know Where I would be right now, if I did not have him as a therapist. His extremely educated and certified I recommend him to everyone.
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Jamie D.

Jamie D.

Jan 09, 2026
Google Google
I met Dr. Thirtala in her Chesterfield office yesterday. The office was large, clean and had plenty of windows. Comfy chair to sit in while we discussed my well being. Dr. Thirtala showed kindness and concern with a dash of mom. She's a great doctor. The staff when checking in was very gracious when I needed help.
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Sheila H.

Sheila H.

Jan 29, 2025
Google Google
I was amazed how caring the staff was when I first reached out to make an appointment. They worked fast to get me in and process my insurance easily. Every time I go in the office I am greeted with positive energy. Its validates that I'm in the right place even when life may feel uncomfortable some days.
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Jennifer B.

Jennifer B.

Jan 16, 2026
Google Google
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Patient Review Disclaimer

The testimonials and reviews shared on our platforms reflect the personal experiences and opinions of individuals voluntarily shared on third-party sites (e.g., Google). These reviews are voluntarily provided and are not compensated, solicited, or endorsed by LifeStance Health.

Important Notes:

  • Reviews do not represent the views of LifeStance Health, Inc., its clinicians, or affiliates
  • Individual results may vary – testimonials are not guarantees of similar outcomes
  • We do not independently verify the clinical accuracy or authenticity of statements
  • Clinician qualifications, expertise, and fit for your specific needs should be assessed through direct consultation

Mental Health Conditions We Treat at Chesterfield, MO Location

Our team of top-rated therapists, psychiatrists, psychologists and nurse practitioners at Chesterfield, MO treat a variety of mental health conditions both in-person in outpatient settings and through telehealth appointments. Some conditions we treat include:

Chesterfield, MO Therapy & Psychiatry Services

Our multidisciplinary team provides a full range of behavioral health services to children, adolescents, adults, and new parents. Our staff includes a collaborative team of board-certified psychiatrists, licensed psychologists and therapists, certified social workers, clinical nurse specialists and other mental health professionals. We accept major insurance plans, and all payment options can be discussed with our staff.

FAQs About LifeStance in Chesterfield, MO

LifeStance in Chesterfield is open for appointments during the following hours:

Monday
8:00 am - 5:00 pm
Tuesday
8:00 am - 5:00 pm
Wednesday
8:00 am - 5:00 pm
Thursday
8:00 am - 5:00 pm
Friday
8:00 am - 5:00 pm
Saturday
Closed
Sunday
Closed

Looking for another location?
We have 9 other locations in Missouri.