Ambulatory Care Registered Nurse in Lancaster, CA

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

Compare 36 Ambulatory Care Registered Nurse providers with a practice address in Lancaster, 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 Ambulatory Care Registered Nurse

Top 30 of 36

36 Ambulatory Care Registered Nurse practice in Lancaster. Compare the most complete records below, or filter the full list by name and nearby ZIP.

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1
Donald La BarRN

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.