66/100RP Score
Ranked #1 because of specialty focus and its Google rating: listed on Google as “Applied behavior analysis therapist”, 4.7★ from 19 Google reviews.
Best ABA Therapy Providers in Windham, NH (2026)
45 ABA therapy providers ranked by RP ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Windham: Deborah Katsohis, Therapist, RP Score 66/100; 4.7★ from 19 Google reviews; open evenings.
- 4
Most-reviewed: Cortica Burlington, 50 Google reviews at 4.4★, the most of 45 ranked; ranked #4.
Rankings can't be bought. Psychologists can't pay to change their rank or score. How we rank
45 Windham ABA therapy providers are ranked here by RP Score, from eight published factors. 14 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.1★ across 45 rated practices.
Top 10 ABA therapy providers in Windham 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 | Deborah Katsohis, Therapist | 66 | 4.7★ (19) | Lowell, 11 mi away | Evenings | Overall |
| 2 | Applied ABC - Autism Therapy Center | 66 | 3.1★ (25) | Manchester, 14 mi away | Sat | — |
| 3 | The Autism Community Therapists, LLC | 64 | 4.2★ (27) | Acton, 26 mi away | Sat | — |
| 4 | Cortica Burlington | 63 | 4.4★ (50) | Burlington, 23 mi away | Evenings | Most reviews |
| 5 | ABA Centers of America | 63 | 3.8★ (28) | Nashua, 11 mi away | Sat · Sun · Evenings | — |
| 6 | Cortica Danvers | 62 | 4.8★ (21) | Danvers, 23 mi away | Evenings | — |
| 7 | Strive ABA Therapy LLC. | 62 | 4.7★ (13) | Brookline, 27 mi away | Sun · Evenings | — |
| 8 | Blue Gems ABA in Boston MA | 62 | 4.7★ (44) | Boston, 33 mi away | Sun | — |
| 9 | Achieving Stars Therapy: ABA Therapy In New Hampshire | 62 | 5.0★ (4) | Bedford, 15 mi away | — | — |
| 10 | Steps to Success Consultants, LLC | 62 | 3.7★ (3) | Concord, 23 mi away | Sat · Evenings | — |
The 45 best ABA therapy providers in Windham, 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.
Scores below: based on 7 of 8 factors; recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Manchester, 14 mi away
66/100RP ScoreRanked #2 because of specialty focus and its Google rating: listed on Google as “Applied behavior analysis therapist”, 3.1★ from 25 Google reviews.
Based in Acton, 26 mi away
64/100RP ScoreRanked #3 because of specialty focus and its Google rating: listed on Google as “Applied behavior analysis therapist”, 4.2★ from 27 Google reviews.
Based in Burlington, 23 mi away
63/100RP ScoreRanked #4 because of specialty focus and its Google rating: listed on Google as “Applied behavior analysis therapist”, 4.4★ from 50 Google reviews.
Based in Nashua, 11 mi away
63/100RP ScoreRanked #5 because of its Google rating and specialty focus: 3.8★ from 28 Google reviews, listed on Google as “Mental health service”.
Based in Danvers, 23 mi away
62/100RP ScoreRanked #6 because of specialty focus and its Google rating: listed on Google as “Applied behavior analysis therapist”, 4.8★ from 21 Google reviews.
Based in Brookline, 27 mi away
62/100RP ScoreRanked #7 because of specialty focus and its Google rating: listed on Google as “Applied behavior analysis therapist”, 4.7★ from 13 Google reviews.
Based in Boston, 33 mi away
62/100RP ScoreRanked #8 because of specialty focus and its Google rating: listed on Google as “Applied behavior analysis therapist”, 4.7★ from 44 Google reviews.
Based in Bedford, 15 mi away
62/100RP ScoreRanked #9 because of specialty focus and its Google rating: listed on Google as “Applied behavior analysis therapist”, 5.0★ from 4 Google reviews.
Based in Concord, 23 mi away
62/100RP ScoreRanked #10 because of specialty focus and its Google rating: listed on Google as “Applied behavior analysis therapist”, 3.7★ from 3 Google reviews.
Based in Chelmsford, 15 mi away
62/100RP ScoreRanked #11 because of specialty focus and its Google rating: listed on Google as “Applied behavior analysis therapist”, 3.2★ from 5 Google reviews.
Based in Leominster, 30 mi away
61/100RP ScoreRanked #12 because of specialty focus and its Google rating: listed on Google as “Applied behavior analysis therapist”, 3.3★ from 4 Google reviews.
Based in Woburn, 22 mi away
61/100RP ScoreRanked #13 because of specialty focus and its Google rating: listed on Google as “Applied behavior analysis therapist”, 3.8★ from 24 Google reviews.
Based in Bedford, 20 mi away
61/100RP ScoreRanked #14 because of specialty focus and its Google rating: listed on Google as “Applied behavior analysis therapist”, 4.6★ from 8 Google reviews.
Based in Westford, 18 mi away
60/100RP ScoreRanked #15 because of specialty focus and its Google rating: listed on Google as “Applied behavior analysis therapist”, 3.7★ from 3 Google reviews.
Based in Woburn, 22 mi away
59/100RP ScoreRanked #16 because of specialty focus and its Google rating: listed on Google as “Applied behavior analysis therapist”, 5.0★ from 4 Google reviews.
Based in Fitchburg, 29 mi away
59/100RP ScoreRanked #17 because of specialty focus and its Google rating: listed on Google as “Applied behavior analysis therapist”, 1.7★ from 6 Google reviews.
Based in Newton, 31 mi away
59/100RP ScoreRanked #18 because of specialty focus and its Google rating: listed on Google as “Applied behavior analysis therapist”, 3.5★ from 8 Google reviews.
Based in Salem, 4 mi away
59/100RP ScoreRanked #19 because of its Google rating and specialty focus: 5.0★ from 4 Google reviews, listed on Google as “Mental health service”.
Based in Methuen, 7 mi away
58/100RP ScoreRanked #20 because of its Google rating and specialty focus: 5.0★ from 7 Google reviews, listed on Google as “Mental health service”.
Based in Concord, 32 mi away
58/100RP ScoreRanked #21 because of specialty focus and its Google rating: listed on Google as “Applied behavior analysis therapist”, 5.0★ from 3 Google reviews.
Based in Danvers, 25 mi away
58/100RP ScoreRanked #22 because of specialty focus and its Google rating: listed on Google as “Applied behavior analysis therapist”, 4.7★ from 3 Google reviews.
Based in Fitchburg, 33 mi away
57/100RP ScoreRanked #23 because of specialty focus and its Google rating: listed on Google as “Applied behavior analysis therapist”, 3.0★ from 4 Google reviews.
Based in Westford, 18 mi away
57/100RP ScoreRanked #24 because of its Google rating and specialty focus: 3.9★ from 10 Google reviews, listed on Google as “Mental health service”.
Based in Sudbury, 31 mi away
57/100RP ScoreRanked #25 because of specialty focus and its Google rating: listed on Google as “Applied behavior analysis therapist”, 4.1★ from 9 Google reviews.
All 45 ABA therapy providers
#1 to #25 are shown in full above. Here are #26 to #45, in RP Score order; each links to its profile.
Also serving Windham
20 more ABA therapy providers 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 |
|---|---|---|
| ABA Centers of America | 5.0★ (1) | 33 mi |
| Acclimate ABA Therapy In New Hampshire | ABA Therapy Services New Hampshire | 5.0★ (1) | 16 mi |
| Autism Violet | 3.0★ (2) | 35 mi |
| Behavioral Concepts BCI | 5.0★ (1) | 21 mi |
| Behavioral Concepts BCI | 5.0★ (1) | 22 mi |
| Behavioral Concepts BCI | 11 mi | |
| Behavioral Concepts BCI | 11 mi | |
| BEST ABA- Building Essential Skills Together | 5.0★ (2) | 16 mi |
| Buzz ABA - Autism Therapy Center | 7 mi | |
| CBTeam OCD & Anxiety Specialists | 5.0★ (1) | 23 mi |
| ConnectEd Kids | 5.0★ (1) | 8 mi |
| Healy Behavioral Services LLC | 5.0★ (2) | 33 mi |
| Journey ABA | 3.0★ (2) | 27 mi |
| Kaleidoscope ABA Therapy Services | 3.5★ (2) | 14 mi |
| Kaleidoscope ABA Therapy Services | 5.0★ (2) | 15 mi |
| Licensed Support Corp ABA Services | 1.0★ (2) | 16 mi |
| Mindful Connections ABA | 1.0★ (1) | 5 mi |
| NextStep Behavioral Services LLC | 10 mi | |
| Rally Behavioral | 5.0★ (2) | 19 mi |
| Success On The Spectrum Lowell | 12 mi |
How we ranked Windham ABA therapy providers
We scored 45 Windham ABA therapy providers 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 Windham 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 an ABA therapy provider
- Check the license with the state or provincial board that issued it; most boards publish a free online lookup.
- Make sure ABA therapy is a regular part of their work, and ask what approach they use and why.
- Ask how many hours a week they recommend and how they set goals with the family.
- Ask how often a BCBA observes sessions and meets with parents.
- 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 an ABA therapy provider
- 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 ABA therapy?
- Is there a waitlist, and do you accept my insurance?
- 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.
ABA therapy providers in Windham: frequently asked questions
Who is the best ABA therapy provider in Windham?
By RP Score, the highest-ranked ABA therapy provider in Windham, NH is Deborah Katsohis, Therapist with an RP Score of 66/100. It has 4.7★ from 19 Google reviews. It is open evenings. Applied ABC - Autism Therapy Center (#2) and The Autism Community Therapists, LLC (#3) follow. We ranked 45 ABA therapy providers on eight factors, last updated November 9, 2026.
How many ABA therapy providers are there in Windham?
RankedPsychologists ranks 45 ABA therapy providers serving Windham, NH. 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 ABA therapy providers in Windham work on weekends?
14 of 45 ranked ABA therapy providers post Saturday hours and 7 post Sunday hours. The highest-ranked open Saturdays are Applied ABC - Autism Therapy Center (#2), The Autism Community Therapists, LLC (#3) and ABA Centers of America (#5). Posted hours are office hours; many practices also offer evening or online sessions by appointment.
What Google rating do Windham ABA therapy providers have?
The median Google rating among 45 rated ABA therapy providers in Windham is 4.1★, with a median of 7 reviews. Cortica Burlington has the most, 50 reviews, and ranks #4. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does RankedPsychologists rank ABA therapy providers?
Each ABA therapy provider 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 ABA therapy providers outside Windham count in this ranking?
Yes, if they are within 40 mi of the Windham city center, our service radius for ABA therapy providers. 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 ABA therapy providers 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 aBA therapy providers in Windham ranked?
Each practice gets an RP Score from 0 to 100 from 8 published factors, including its Google rating, how clearly it focuses on ABA therapy and how close it is. Sponsored placements are shown separately and never change rank. The score does not measure treatment outcomes.
Who provides ABA therapy?
ABA programs are designed and supervised by board certified behavior analysts (BCBA). Day-to-day sessions are often delivered by registered behavior technicians (RBT) working under that supervision. Many US health plans cover ABA for autism; the rules differ by state and plan, so ask the provider and your insurer.
Can I see an ABA therapy provider 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 Windham
- November 2026: RP Scores recalculated for 45 ABA therapy providers serving Windham.
More ABA therapy providers and Windham pages
ABA therapy providers near Windham
- ABA therapy providers in Pelham, NH56 ranked
- ABA therapy providers in Salem, NH47 ranked
- ABA therapy providers in Derry, NH39 ranked
- ABA therapy providers in Londonderry, NH41 ranked
- ABA therapy providers in Derry Village, NH38 ranked
- ABA therapy providers in Nashua, NH52 ranked
- ABA therapy providers in Merrimack, NH39 ranked
- ABA therapy providers in Bedford, NH29 ranked
- ABA therapy providers in Manchester, NH29 ranked
- ABA therapy providers in Durham, NH13 ranked
Other specialties in Windham
- Psychologists in Windham125 ranked
- Therapists and counselors in Windham280 ranked
- Child and teen therapists in Windham75 ranked
- Couples therapists in Windham121 ranked
- Family therapists in Windham124 ranked
- Neuropsychologists in Windham30 ranked
- Psychological testing practices in Windham7 ranked
- Trauma and PTSD therapists in Windham10 ranked
- Eating disorder therapists in Windham22 ranked
- Psychiatrists in Windham481 ranked
- Clinical social workers in Windham86 ranked
- Addiction counselors in Windham231 ranked
- All psychologists in Windham