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Doctors / IA

ALLEN C SIMPSON, CNA

CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)

Graduated: 2024

NPI: 1932981024

Practice Locations (2)

MASON CITY AMBULATORY SURGERY CENTER, LLC

990 4TH ST SW, MASON CITY AMBULATORY CT LLC

MASON CITY, IA 504012861

6414942000

WAVERLY HEALTH CENTER

312 9TH ST SW

WAVERLY, IA 506772929

3193524120

Source: CMS National Downloadable File, September 2026.