Psychology and therapy in Diamond Bar, CA: 2026 report
3,138 ranked entriesUpdated 14 trade lists
The 14 specialty lists for Diamond Bar, CA hold 3,138 ranked entries. Psychiatrists have the most, with 854.
Key numbers for Diamond Bar
Shares use ranked businesses as their base. A practice in two specialty lists counts in both.
3,138
ranked entries by RP Score, in 14 specialty lists
8,184
specialty listings serving the city; a practice counts once per specialty
4.8
median of the specialties’ median Google ratings
Specialties in Diamond Bar, by ranked practices
| Specialty | Ranked | Serving the city | Median rating | Median reviews |
|---|---|---|---|---|
| Psychiatrists | 854 | 1,425 | 4.6 | 12 |
| Addiction counselors | 591 | 749 | 4.7 | 27 |
| Therapists and counselors | 472 | 1,569 | 4.7 | 9 |
| Psychologists | 241 | 1,226 | 4.4 | 7 |
| Couples therapists | 213 | 799 | 4.9 | 8 |
| Family therapists | 193 | 667 | 4.8 | 7 |
| Clinical social workers | 180 | 719 | 5.0 | 6 |
| Child and teen therapists | 123 | 308 | 4.8 | 8 |
| ABA therapy providers | 113 | 265 | 4.4 | 8 |
| Trauma and PTSD therapists | 52 | 135 | 5.0 | 11 |
| Eating disorder therapists | 46 | 110 | 4.6 | 12 |
| Neuropsychologists | 40 | 108 | 4.9 | 9 |
| Psychological testing practices | 12 | 57 | 5.0 | 4 |
| Anxiety and OCD therapists | 8 | 47 | 4.5 | 10 |
Method and basis
- Serving counts are active, de-duplicated practices within each specialty’s service radius of Diamond Bar, as of November 9, 2026.
- Ranked practices have a confident specialty match and 3 or more Google reviews, or a claimed profile.
- Median rating, median reviews and the shares are measured over ranked businesses.
- Figures are recalculated with each weekly data update. This page shows the latest figures for the year in its title.
Cite this report: RankedPsychologists, “Psychology and Therapy in Diamond Bar, CA: 2026 Report”, https://www.rankedpsychologists.com/reports/diamond-bar-ca-psychology-therapy-2026, data as of November 9, 2026.
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