72/100RP Score
Ranked #1 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.0★ from 4 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Best Psychiatrists in Lake Saint Louis, MO (2026)
168 psychiatrists ranked by RP ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Lake Saint Louis: Dr. Murtaza Hayat, RP Score 72/100; 4.0★ from 4 Google reviews.
- 15
Most-reviewed: Mandava Psychiatry, 114 Google reviews at 4.7★, the most of 168 ranked; ranked #15.
Rankings can't be bought. Psychologists can't pay to change their rank or score. How we rank
168 Lake Saint Louis psychiatrists are ranked here by RP Score, from eight published factors. 15 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 4.2★ across 168 rated practices.
Most of this list also appears on the Psychiatrists in O'Fallon ranking. See Psychiatrists in O'Fallon
Top 10 psychiatrists in Lake Saint Louis at a glance
Ranked by the RP Score from public listing data, not by treatment outcomes; Sponsored placements are shown separately and never change rank.
| Rank | Business | RP Score | Google rating | Based in | Best for |
|---|---|---|---|---|---|
| 1 | Dr. Murtaza Hayat | 72 | 4.0★ (4) | Wentzville, 2 mi away | Overall |
| 2 | Dr. John P. Canale, MD | 72 | 4.5★ (18) | O'Fallon, 7 mi away | — |
| 3 | Melissa Fischer, Psychiatric Nurse Practitioner | 68 | 4.9★ (62) | Saint Peters, 10 mi away | — |
| 4 | Dr. Rolando Larice | 67 | 4.1★ (22) | Chesterfield, 16 mi away | — |
| 5 | Stacy Johnson, Psychiatric Nurse Practitioner | 67 | 4.9★ (35) | Saint Peters, 10 mi away | — |
| 6 | Dr. Jennifer L. Shashek, MD | 67 | 2.6★ (5) | Saint Peters, 13 mi away | — |
| 7 | Laura Kastraba, Psychiatrist | 67 | 4.9★ (32) | Saint Peters, 10 mi away | — |
| 8 | Dr. Scott J. Arbaugh, MD | 66 | 3.7★ (31) | O'Fallon, 3 mi away | — |
| 9 | Dr. Jeffrey Vander Kooi | 66 | 5.0★ (4) | Chesterfield, 16 mi away | — |
| 10 | Dr. Steve C. Stromsdorfer, MD | 66 | 4.2★ (19) | St. Louis, 19 mi away | — |
The 168 best psychiatrists in Lake Saint Louis, ranked
Ordered by RP Score, a 0–100 score from eight published factors. Paid placement never changes the order.
Ranked by the RP Score from public listing data, not by treatment outcomes; Sponsored placements are shown separately and never change rank.
Based in O'Fallon, 7 mi away
72/100RP ScoreRanked #2 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.5★ from 18 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in Saint Peters, 10 mi away
68/100RP ScoreRanked #3 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.9★ from 62 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
Based in Chesterfield, 16 mi away
67/100RP ScoreRanked #4 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.1★ from 22 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in Saint Peters, 10 mi away
67/100RP ScoreRanked #5 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.9★ from 35 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
Based in Saint Peters, 13 mi away
67/100RP ScoreRanked #6 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 2.6★ from 5 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in Saint Peters, 10 mi away
67/100RP ScoreRanked #7 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.9★ from 32 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
Based in O'Fallon, 3 mi away
66/100RP ScoreRanked #8 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 3.7★ from 31 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
Based in Chesterfield, 16 mi away
66/100RP ScoreRanked #9 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 5.0★ from 4 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in St. Louis, 19 mi away
66/100RP ScoreRanked #10 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.2★ from 19 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in Wentzville, 6 mi away
66/100RP ScoreRanked #11 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 3.7★ from 69 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
Based in Troy, 16 mi away
66/100RP ScoreRanked #12 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 3.2★ from 13 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in St. Louis, 21 mi away
65/100RP ScoreRanked #13 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.6★ from 14 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
#14 Dr. Katie Wilson
Based in O'Fallon, 3 mi away
65/100RP ScoreRanked #14 because of specialty focus and its Google rating: listed on Google as “Child psychiatrist”, 2.8★ from 6 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
Based in Chesterfield, 16 mi away
65/100RP ScoreRanked #15 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.7★ from 114 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
Based in O'Fallon, 7 mi away
65/100RP ScoreRanked #16 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.2★ from 10 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
Based in O'Fallon, 7 mi away
65/100RP ScoreRanked #17 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.0★ from 20 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
Based in Troy, 16 mi away
64/100RP ScoreRanked #18 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 1.0★ from 5 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
#19 Sewing Bryan DO
Based in St. Louis, 21 mi away
64/100RP ScoreRanked #19 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.3★ from 6 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in Saint Peters, 10 mi away
64/100RP ScoreRanked #20 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 5.0★ from 7 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
#21 Saad Z. Khan, MD
Based in St. Louis, 21 mi away
64/100RP ScoreRanked #21 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.0★ from 8 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in Saint Charles, 13 mi away
64/100RP ScoreRanked #22 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.0★ from 4 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
#23 LARHONDA R JONES
Based in Bridgeton, 19 mi away
64/100RP ScoreRanked #23 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 3.3★ from 3 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in Maryland Heights, 19 mi away
64/100RP ScoreRanked #24 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.9★ from 60 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
Based in O'Fallon, 7 mi away
64/100RP ScoreRanked #25 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 3.2★ from 35 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
How we ranked Lake Saint Louis psychiatrists
We scored 168 Lake Saint Louis psychiatrists on eight factors, weighted as shown. A practice is ranked when its specialty is confirmed and it has 3 or more Google reviews or a claimed profile. A practice with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed November 9, 2026.
Paid placement never changes a rank or score. Sponsored businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Lake Saint Louis data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Review volume | 5% | Number of Google reviews, compared with the most-reviewed practice on the list | Measured |
| Recency | 5% | Share of Google reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, and round-the-clock or same-day availability | Measured |
| Specialty focus | 25% | How clearly the practice does this specialty (its Google category and name) | Measured |
| Proximity | 15% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The practice has claimed its Ranked Psychologists profile (free or paid earn the same) | Measured |
| Partnered | 5% | The practice links to Ranked Psychologists from its own website with our badge, checked periodically | Measured |
How to choose a psychiatrist
- Check the license with the state or provincial board that issued it; most boards publish a free online lookup.
- Make sure psychiatry is a regular part of their work, and ask what approach they use and why.
- Ask whether the practice offers therapy as well as medication management, or medication visits only.
- Check whether you need a referral from your family doctor; in Canada a referral is usually required for publicly covered psychiatric care.
- Ask about fees, insurance and the cancellation policy before the first session. In the US, if you are uninsured or paying yourself, you can ask for a good faith estimate of expected charges.
- Check practical fit: in-person or online sessions, evening times, and how soon they have an opening.
- After a few sessions, ask yourself whether you feel heard. Changing to a different provider is common and fine.
Questions to ask a psychiatrist
- Are you accepting new clients, and how soon could I start?
- Which license do you hold, and in which state or province?
- How much of your work is psychiatry?
- Do you offer therapy sessions, or medication management only?
- How soon is the first appointment, and how long are follow-up visits?
- What do you charge per session, and do you take my insurance or provide a superbill?
- Do you offer online sessions?
- What is your cancellation policy?
- What do you keep confidential, and when would you have to share information?
Terms explained
- PhD / PsyD
- Doctoral degrees in psychology. A PhD usually has a stronger research focus, a PsyD a stronger clinical focus; both can lead to a psychologist license.
- Licensed psychologist
- A person licensed by a state or provincial psychology board to practice psychology. The title is protected by law.
- Psychological associate
- In some states and provinces, a master’s-level practitioner licensed or registered by the psychology board, often with supervision requirements.
- LPC / LMHC / LCPC
- US licenses for professional or mental health counselors (the name differs by state). They provide counseling and therapy.
- LCSW
- Licensed clinical social worker: a master’s-level social worker licensed to provide therapy.
- LMFT
- Licensed marriage and family therapist: licensed to treat individuals, couples and families with a focus on relationships.
- RP / RCC
- Registered psychotherapist (Ontario) and registered clinical counsellor (British Columbia): Canadian titles for licensed therapy providers.
- PSYPACT
- An interstate agreement that lets psychologists licensed in a member state provide telepsychology to clients in other member states once they hold the required authorization.
- Telehealth
- Sessions held by secure video or phone instead of in person. The provider generally needs to be licensed where the client is located.
- CBT
- Cognitive behavioral therapy: a structured talk therapy that works on the links between thoughts, feelings and behavior.
- DBT
- Dialectical behavior therapy: a form of CBT that teaches skills for managing intense emotions and relationships.
- ERP
- Exposure and response prevention: a form of CBT used for OCD.
Psychiatrists in Lake Saint Louis: frequently asked questions
Who is the best psychiatrist in Lake Saint Louis?
By RP Score, the highest-ranked psychiatrist in Lake Saint Louis, MO is Dr. Murtaza Hayat with an RP Score of 72/100. It has 4.0★ from 4 Google reviews. Dr. John P. Canale, MD (#2) and Melissa Fischer, Psychiatric Nurse Practitioner (#3) follow. We ranked 168 psychiatrists on eight factors, last updated November 9, 2026.
How many psychiatrists are there in Lake Saint Louis?
RankedPsychologists ranks 168 psychiatrists serving Lake Saint Louis, MO. Counts are as of November 2026.
What should I do if I need help right now?
In crisis or thinking about suicide? Call or text 988 (US and Canada), any time. In an emergency, call 911. This site cannot help in an emergency.
Which psychiatrists in Lake Saint Louis work on weekends?
15 of 168 ranked psychiatrists post Saturday hours and 8 post Sunday hours. The highest-ranked open Saturdays is Renewed Hope Psychiatric Care (#22). Posted hours are office hours; many practices also offer evening or online sessions by appointment.
What Google rating do Lake Saint Louis psychiatrists have?
The median Google rating among 168 rated psychiatrists in Lake Saint Louis is 4.2★, with a median of 16 reviews. Mandava Psychiatry has the most, 114 reviews, and ranks #15. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does RankedPsychologists rank psychiatrists?
Each psychiatrist gets a 0–100 RP Score from eight published factors, led by reputation (25%), specialty focus (25%), proximity (15%) and availability (10%). A practice with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only practices with a confirmed specialty and 3 or more reviews, or a claimed profile, are ranked.
Do psychiatrists outside Lake Saint Louis count in this ranking?
Yes, if they are within 40 mi of the Lake Saint Louis city center, our service radius for psychiatrists. Each listing shows where the practice is based and how far away it is. Proximity is 15% of the RP Score, so a nearby practice gets a small edge.
Can psychiatrists pay to rank higher on RankedPsychologists?
No. The RP Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured practices may appear above the list, labelled Sponsored and showing their honest rank.
How are psychiatrists in Lake Saint Louis ranked?
Each practice gets an RP Score from 0 to 100 from 8 published factors, including its Google rating, how clearly it focuses on psychiatry and how close it is. Sponsored placements are shown separately and never change rank. The score does not measure treatment outcomes.
What is the difference between a psychiatrist and a psychologist?
A psychiatrist is a medical doctor (MD or DO) who completed a residency in psychiatry and can prescribe medication. A psychologist usually holds a doctorate in psychology (PhD or PsyD), provides therapy and psychological testing, and in most places does not prescribe. Many people see both: a psychiatrist for medication and a psychologist or therapist for talk therapy.
Can I see a psychiatrist online?
Often, yes. Licensing generally follows where you are during the session, so the provider needs to be licensed or authorized there. In the US, psychologists in PSYPACT member states can offer telepsychology to clients in other member states; counselors and social workers have their own rules. In Canada, ask whether the provider is registered in your province.
What if I need help right now?
Do not wait for a consultation. Call or text 988 (US and Canada) if you are in crisis or thinking about suicide, at any time. In an emergency, call 911.
Update log for Lake Saint Louis
- November 2026: RP Scores recalculated for 168 psychiatrists serving Lake Saint Louis.
More psychiatrists and Lake Saint Louis pages
Psychiatrists near Lake Saint Louis
- Psychiatrists in Dardenne Prairie, MO169 ranked
- Psychiatrists in Wentzville, MO164 ranked
- Psychiatrists in O'Fallon, MO172 ranked
- Psychiatrists in Saint Peters, MO185 ranked
- Psychiatrists in Chesterfield, MO194 ranked
- Psychiatrists in Wildwood, MO188 ranked
- Psychiatrists in Troy, MO107 ranked
- Psychiatrists in Saint Charles, MO190 ranked
- Psychiatrists in Ballwin, MO194 ranked
- Psychiatrists in Maryland Heights, MO194 ranked
Other specialties in Lake Saint Louis
- Psychologists in Lake Saint Louis61 ranked
- Therapists and counselors in Lake Saint Louis119 ranked
- Child and teen therapists in Lake Saint Louis36 ranked
- Couples therapists in Lake Saint Louis71 ranked
- Family therapists in Lake Saint Louis69 ranked
- Trauma and PTSD therapists in Lake Saint Louis12 ranked
- Eating disorder therapists in Lake Saint Louis10 ranked
- Clinical social workers in Lake Saint Louis55 ranked
- Addiction counselors in Lake Saint Louis61 ranked
- ABA therapy providers in Lake Saint Louis37 ranked
- All psychologists in Lake Saint Louis