Registered Nurse First Assistant in O' Fallon, MO

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

Compare 13 Registered Nurse First Assistant providers with a practice address in O' Fallon, Missouri. Every entry is a real NPI record you can open and verify; 38% of the ranked results below have a street-level (rooftop) location.

Providers in city

Street-level located

38%

Registry vintage

June 2026

Ranked Registered Nurse First Assistant

Top 13 of 13

13 Registered Nurse First Assistant practice in O' Fallon. Compare the most complete records below, or filter the full list by name and nearby ZIP.

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1
Tom MannRNFA
Registered Nurse First Assistant · O Fallon, MO

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.