Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Caitlin Elisabeth Golliver, APRN-CNP

Nurse Practitioner in O Fallon, MO · enumerated 2023 · practices at Ssm Medical Group Inc..

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

National Provider Identifier

1821877465

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Registry record

Entity type Individual (Type 1)

Name Caitlin Elisabeth Golliver

Credential APRN-CNP

Sex Female

Practice address 1101 Highway K, O Fallon, MO, 63366

Phone (636) 379-6363

Fax (636) 379-1297

Enumeration date Sep 25, 2023

Last updated in NPPES Nov 22, 2023

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 2023038352 (MO) Secondary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 2023038253 (MO) Primary

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

Where does Caitlin Golliver practice?

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

What is the NPI number for Caitlin Golliver?

The National Provider Identifier (NPI) for Caitlin Golliver is 1821877465, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-11-22.