Clinical Psychologist in Rancho Cucamonga, CA

Ranked by profile completeness, registry tenure & documented Medicare activity — an honest, data-backed ordering, not a quality, outcomes, or patient-satisfaction verdict.

Compare 47 Clinical Psychologist providers with a practice address in Rancho Cucamonga, California. Every entry is a real NPI record you can open and verify; 97% of the ranked results below have a street-level (rooftop) location.

Providers in city

Street-level located

97%

Registry vintage

June 2026

Ranked Clinical Psychologist

Top 30 of 47

47 Clinical Psychologist practice in Rancho Cucamonga. Compare the most complete records below, or filter the full list by name and nearby ZIP.

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1
Steve Wysocki, PH.D., PC Dba Alta Loma Psychological Assoc
Clinical Psychologist · Rancho Cucamonga, CA

Ranking reflects NPPES profile completeness, registry tenure, and documented Medicare activity (where present) — see our methodology. It is not a measure of clinical quality or patient satisfaction. Source: CMS NPPES (June 2026); specialty taxonomy: NUCC. Locations are geocoded from the public practice address.