Registered Nurses in O Fallon, MO
Browse 7 Registered Nurse providers listed in NPPES with a practice address in O Fallon, Missouri.
How O Fallon compares with the U.S.
7 active Registered Nurses list a practice address in O Fallon, MO in the NPI registry.
With fewer than 10 clinicians, rates per 100,000 residents are not reliable enough to compare.
None of the Registered Nurses in O Fallon are listed in the CMS Medicare file.
These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.
Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com · Methodology
Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026.
Tara Nicole Demand , RN
Registered Nurse
Sandra Dufrenne , RN
Registered Nurse
Anna Eise , RN, BSN
Registered Nurse
Lauren Marie Hanson , RN, BSN, BSHC, HNB-BC
Registered Nurse
Ashton Thornton , RN
Registered Nurse
Sophia Tiefenthaler
Registered Nurse
Megan Anne White , RN
Registered Nurse
Frequently Asked Questions about Registered Nurse in O Fallon
Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the Missouri licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.
This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.