Adult Medicine Physician in Santa Ana, CA

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

Compare 13 Adult Medicine Physician providers with a practice address in Santa Ana, California. Every entry is a real NPI record you can open and verify; 85% of the ranked results below have a street-level (rooftop) location.

Providers in city

Street-level located

85%

Registry vintage

June 2026

Ranked Adult Medicine Physician

Top 13 of 13

13 Adult Medicine Physician practice in Santa Ana. Compare the most complete records below, or filter the full list by name and nearby ZIP.

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1
Lucio LozaM.D.
Adult Medicine Physician · Santa Ana, 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.