Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Christine Walthes, APRN, FNP-C

Family Nurse Practitioner in O Fallon, IL · enumerated 2019.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1982247342

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Registry record

Entity type Individual (Type 1)

Name Christine Walthes

Credential APRN, FNP-C

Sex Female

Practice address Three Saint Elizabeth Blvd Ste 2800, O Fallon, IL, 62269

Phone (618) 233-6044

Fax (833) 973-4218

Enumeration date Oct 17, 2019

Last updated in NPPES Dec 21, 2021

Taxonomy & licenses

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License 209020229 (IL) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209020229 (IL) Primary

APRN · Advanced Practice Registered Nurse: An umbrella credential covering NPs, CRNAs, CNMs, and clinical nurse specialists. About the APRN credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Christine Walthes?

The National Provider Identifier (NPI) for Christine Walthes is 1982247342, a Type 1 (individual) record in the CMS NPPES registry.

Where does Christine Walthes practice?

The practice location on file with NPPES is in O Fallon, IL. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Rebecca Riepshoff Physician Assistant · O Fallon, IL NPI 1497754634 Regina Chiu Cardiovascular Disease Physician · O Fallon, IL NPI 1043272693 Lori Beth Helmers Adult Health Nurse Practitioner · O Fallon, IL NPI 1063457794 Atul Shah Cardiovascular Disease Physician · O Fallon, IL NPI 1215965660 Thomas Cahill Cardiovascular Disease Physician · O Fallon, IL NPI 1023128113 John Scally Cardiovascular Disease Physician · O Fallon, IL NPI 1508952318 Scott Marrus Cardiovascular Disease Physician · O Fallon, IL NPI 1063578284 Pavan Gupta Cardiovascular Disease Physician · O Fallon, IL NPI 1861519563

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-21.