77/100RP Score
Ranked #1 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 5.0★ from 52 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Best Psychiatrists in Merrifield, VA (2026)
680 psychiatrists ranked by RP ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Merrifield: Joseph T Tasosa M.D. | Kaiser Permanente, RP Score 77/100; 5.0★ from 52 Google reviews.
- 7
Most-reviewed: Ali Altahir, MD, 441 Google reviews at 4.7★, the most of 680 ranked; ranked #7.
Rankings can't be bought. Psychologists can't pay to change their rank or score. How we rank
680 Merrifield psychiatrists are ranked here by RP Score, from eight published factors. 153 open Saturdays and 55 open Sundays, based on posted hours. The median Google rating is 4.6★ across 680 rated practices.
Top 10 psychiatrists in Merrifield 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 | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Joseph T Tasosa M.D. | Kaiser Permanente | 77 | 5.0★ (52) | Falls Church, 3 mi away | — | Overall |
| 2 | Dr. Zafar A. Rasheed M.D | 76 | 4.9★ (78) | McLean, 5 mi away | — | — |
| 3 | Dr. David M. Zimmer, MD | 76 | 4.8★ (34) | Vienna, 3 mi away | — | — |
| 4 | Sahar Alee Koloukani M.D. | Kaiser Permanente | 76 | 4.9★ (27) | Falls Church, 3 mi away | — | — |
| 5 | Thaddeaus S Foster M.D. | Kaiser Permanente | 75 | 5.0★ (16) | Falls Church, 3 mi away | — | — |
| 6 | McLean Neuropsychiatric Treatment Center | 75 | 4.5★ (55) | McLean, 5 mi away | Sat · Sun · Evenings | — |
| 7 | Ali Altahir, MD | 74 | 4.7★ (441) | Falls Church, 4 mi away | Sat | Most reviews |
| 8 | NOVA MJ Health PLLC | 74 | 5.0★ (5) | Vienna, 3 mi away | — | — |
| 9 | Thomas M Fogarty Md Pc | 74 | 4.6★ (11) | Fairfax, 4 mi away | — | — |
| 10 | Dr. Walter Guarino | 74 | 4.8★ (53) | Vienna, 3 mi away | Sat · Evenings | — |
The 680 best psychiatrists in Merrifield, 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 McLean, 5 mi away
76/100RP ScoreRanked #2 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.9★ from 78 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in Vienna, 3 mi away
76/100RP ScoreRanked #3 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.8★ from 34 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in Falls Church, 3 mi away
76/100RP ScoreRanked #4 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.9★ from 27 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in Falls Church, 3 mi away
75/100RP ScoreRanked #5 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 5.0★ from 16 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in McLean, 5 mi away
75/100RP ScoreRanked #6 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.5★ from 55 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
Based in Falls Church, 4 mi away
74/100RP ScoreRanked #7 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.7★ from 441 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
Based in Vienna, 3 mi away
74/100RP ScoreRanked #8 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 5.0★ from 5 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in Fairfax, 4 mi away
74/100RP ScoreRanked #9 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.6★ from 11 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in Vienna, 3 mi away
74/100RP ScoreRanked #10 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.8★ from 53 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
Based in McLean, 5 mi away
74/100RP ScoreRanked #11 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.
Based in Fairfax, 4 mi away
74/100RP ScoreRanked #12 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.9★ from 76 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
Based in Burke, 7 mi away
73/100RP ScoreRanked #13 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.6★ from 25 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in Burke, 7 mi away
73/100RP ScoreRanked #14 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 5.0★ from 14 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in Vienna, 3 mi away
73/100RP ScoreRanked #15 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 3.5★ from 4 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
#16 Dr. Niku Singh
Based in McLean, 4 mi away
73/100RP ScoreRanked #16 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 3.7★ from 27 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in Burke, 7 mi away
73/100RP ScoreRanked #17 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.9★ from 12 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in Alexandria, 12 mi away
73/100RP ScoreRanked #18 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.9★ from 52 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
#19 Jourkiv Oxana MD
Based in Fairfax, 4 mi away
73/100RP ScoreRanked #19 because of specialty focus and its Google rating: listed on Google as “Child psychiatrist”, 5.0★ from 3 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
#20 Linde Debby MD
Based in Fairfax, 4 mi away
73/100RP ScoreRanked #20 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.
Based in Alexandria, 12 mi away
73/100RP ScoreRanked #21 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.7★ from 65 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
Based in McLean, 5 mi away
73/100RP ScoreRanked #22 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 3.4★ from 9 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
#23 Roath Michael MD
Based in Springfield, 6 mi away
72/100RP ScoreRanked #23 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.8★ from 4 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in Reston, 8 mi away
72/100RP ScoreRanked #24 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.4★ from 11 Google reviews.
Based on 6 of 8 factors; recency and availability not yet collected.
Based in Reston, 8 mi away
72/100RP ScoreRanked #25 because of specialty focus and its Google rating: listed on Google as “Psychiatrist”, 4.6★ from 119 Google reviews.
Based on 7 of 8 factors; recency not yet collected.
Psychiatrists ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in RP Score order; each links to its profile. We publish the top 50 of 680 ranked psychiatrists here; the rest are on their profiles.
Also serving Merrifield
20 more psychiatrists within 40 mi that we can't rank yet: too few reviews, or a specialty we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Aazaz Haq, MD | 5.0★ (2) | 5 mi |
| Adam O’Neill & Associates | 5.0★ (2) | 1 mi |
| Afifa Adiba M.D. | Kaiser Permanente | 5.0★ (2) | 7 mi |
| Brown Adrian MD | 5.0★ (2) | 5 mi |
| DMV Treatment Center | 5.0★ (2) | 3 mi |
| Dr. Joshua A. Weiner, MD | 5.0★ (2) | 5 mi |
| Everbloom Psychiatric and Mental Health Services | 5.0★ (2) | 5 mi |
| Fairfax Family Life Behavioral Health | 5.0★ (2) | 4 mi |
| Fatima Noorani, MD | 5.0★ (2) | 5 mi |
| Helix Center | 4.0★ (2) | 5 mi |
| Hope Robinson, Counselor | 5.0★ (2) | 6 mi |
| Jessica Echeverry, Counselor | 5.0★ (2) | 6 mi |
| Leah Walker, MD | 3.0★ (2) | 3 mi |
| Meenal Pathak, Psychiatrist | 5.0★ (2) | 4 mi |
| Meera Sethi, Psychiatrist | 5.0★ (2) | 5 mi |
| Mitchell Joseph D MD | 5.0★ (2) | 2 mi |
| Natalie Elwell, Counselor | 5.0★ (2) | 6 mi |
| Neda Hejazi, Therapy Clinician | 5.0★ (2) | 4 mi |
| Nunez-Brito Rosario MD | 3.5★ (2) | 1 mi |
| Psychiatry | 3.0★ (2) | 5 mi |
How we ranked Merrifield psychiatrists
We scored 680 Merrifield 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 Merrifield 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 Merrifield: frequently asked questions
Who is the best psychiatrist in Merrifield?
By RP Score, the highest-ranked psychiatrist in Merrifield, VA is Joseph T Tasosa M.D. | Kaiser Permanente with an RP Score of 77/100. It has 5.0★ from 52 Google reviews. Dr. Zafar A. Rasheed M.D (#2) and Dr. David M. Zimmer, MD (#3) follow. We ranked 680 psychiatrists on eight factors, last updated November 9, 2026.
How many psychiatrists are there in Merrifield?
RankedPsychologists ranks 680 psychiatrists serving Merrifield, VA. Another 20 within 40 mi are listed but not ranked yet. 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 Merrifield work on weekends?
153 of 680 ranked psychiatrists post Saturday hours and 55 post Sunday hours. The highest-ranked open Saturdays are McLean Neuropsychiatric Treatment Center (#6), Ali Altahir, MD (#7) and Dr. Walter Guarino (#10). Posted hours are office hours; many practices also offer evening or online sessions by appointment.
What Google rating do Merrifield psychiatrists have?
The median Google rating among 680 rated psychiatrists in Merrifield is 4.6★, with a median of 14 reviews. Ali Altahir, MD has the most, 441 reviews, and ranks #7. 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 Merrifield count in this ranking?
Yes, if they are within 40 mi of the Merrifield 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 Merrifield 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 Merrifield
- November 2026: RP Scores recalculated for 680 psychiatrists serving Merrifield.
- November 2026: 1 duplicate listing merged.
More psychiatrists and Merrifield pages
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- Psychologists in Merrifield406 ranked
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- Family therapists in Merrifield240 ranked
- Neuropsychologists in Merrifield20 ranked
- Psychological testing practices in Merrifield11 ranked
- Anxiety and OCD therapists in Merrifield11 ranked
- Trauma and PTSD therapists in Merrifield72 ranked
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- ABA therapy providers in Merrifield131 ranked
- All psychologists in Merrifield