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LifeStance Therapists & Psychiatrists in Chesterfield, MO

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LifeStance Health
Chesterfield, MO

16020 Swingley Ridge Road, Suite 300
Chesterfield, MO 63017

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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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Chesterfield, MO Lifestance Location

About LifeStance Health
Chesterfield, MO

Our Chesterfield, Missouri office is a full-service mental health clinic conveniently located at 16020 Swingley Ridge Road, Suite 300. At LifeStance Health, we’re committed to helping you lead a healthier, more fulfilling life through trusted, personalized, and affordable mental health care.

Connect with experienced psychiatrists, therapists, and psychologists through in-person visits or convenient online appointments designed to fit your schedule.

All services are provided by licensed Missouri clinicians, ensuring high-quality, compassionate care you can trust.

Ages Served

  • Adolescents / Teens
  • Adults
  • Seniors / Geriatrics

Languages Spoken

  • English
  • Vietnamese
  • French
  • Spanish

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
Birdeye 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 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
Brian was very nice. He already knew a lot about me. And yet we still had a lot to talk about. He is very understanding, and knows his stuff. Brian is very comfortable to talk too. Thank you for taking the time to talk to me.
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Marty B.

Marty B.

May 05, 2025
Google Google
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Mental Health Conditions We Treat at Chesterfield, MO Location

Our Chesterfield, Missouri team includes experienced therapists, psychiatrists, psychologists, and nurse practitioners who provide personalized care for a wide range of mental health conditions. Services are available through in-person visits in a comfortable outpatient setting, as well as convenient online appointments. Some of the conditions we treat include:

  • ADHD
  • Alcohol use
  • Anger issues
  • Anxiety
  • Attachment issues
  • Attention & focus
  • Autism: generally independent
  • Bipolar Disorder
  • Body image
  • Childhood behavioral issues
  • Depression/feeling down
  • Detachment/disconnection
  • Dissociative disorders
  • Domestic violence & abuse
  • Drug/substance use
  • Eating issues: food deprivation
  • Eating issues: purging/regurgitating
  • Emotional abuse
  • End-of-life challenges
  • Family conflict
  • First responder stress
  • Focus, concentration & memory
  • General relationship issues
  • Grief & loss
  • Immigration/cultural status
  • Intense mood changes
  • Marital stress or divorce
  • Menopause & perimenopause
  • Military & veteran
  • Obsessive Compulsive Disorder
  • Other women's health concerns
  • PMS & PMDD
  • Panic attacks
  • Parenting
  • Premarital counseling
  • School behavioral issues
  • Self-esteem
  • Sex & intimacy issues
  • Sexual trauma
  • Sports performance
  • Stress from ongoing health issues
  • Stress management
  • Trauma & PTSD

Chesterfield, MO Therapy & Psychiatry Services

Our team provides comprehensive behavioral health care for children, adolescents, adults, and new parents. You will work with a collaborative group of board-certified psychiatrists, licensed psychologists and therapists, certified social workers, clinical nurse specialists, and other experienced mental health professionals—all focused on delivering personalized care that supports your well-being.

We accept many insurance plans, and our team is available to guide you through coverage and payment options to ensure a clear, seamless experience.

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.