NPI Portal NPI Lookup & Verification

Registered Nurse in O Fallon, IL

17 active Registered Nurse providers practice in O Fallon, Illinois according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Registered Nurse providers in O Fallon, IL
NPI Name Type Specialty Location
1639022932 Amy Signore Individual Emergency Registered Nurse O Fallon, IL
1437738465 Angela Mann Individual Lactation Consultant (Registered Nurse) O Fallon, IL
1093968109 Anita Crooks Individual Registered Nurse O Fallon, IL
1346097359 Anne Jenkins Individual Low-Risk Neonatal Registered Nurse O Fallon, IL
1326478975 Barbara Glotfelty Individual Registered Nurse O Fallon, IL
1437908043 Brianna Shumpert Individual Inpatient Obstetric Registered Nurse O Fallon, IL
1285184952 Cheryl Timmermann Individual Registered Nurse O Fallon, IL
1265977482 Holistic Beginnings, LLC Organization Lactation Consultant (Registered Nurse) O Fallon, IL
1396174751 John Davis Individual Registered Nurse O Fallon, IL
1629318118 Julia Lesage Individual Medical-Surgical Registered Nurse O Fallon, IL
1659180438 Katelyn Whitener Individual Registered Nurse O Fallon, IL
1720831217 Kelly Sylvester Individual Ambulatory Care Registered Nurse O Fallon, IL
1295282085 Margaret Winkeler Individual Lactation Consultant (Registered Nurse) O Fallon, IL
1588890552 Natalie Beck Individual Registered Nurse O Fallon, IL
1548959166 Randa Belba Individual Registered Nurse O Fallon, IL
1629821087 Rebecca Wittmann Individual Registered Nurse O Fallon, IL
1730044850 Zachariah Wisnasky Individual Registered Nurse O Fallon, IL

Frequently asked questions

How many Registered Nurse providers are in O Fallon, IL?
The latest NPPES snapshot lists 17 active Registered Nurse providers with a practice address in O Fallon, Illinois.
How do I check a Registered Nurse provider's NPI in O Fallon?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.

Source: CMS NPPES (public data). Snapshot 2026-07-10.