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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mrs. Erin Holloway, ANP

Adult Health Nurse Practitioner in St. Louis, MO · enumerated 2008.

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

National Provider Identifier

1033369798

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Registry record

Entity type Individual (Type 1)
Name Mrs. Erin Holloway
Credential ANP
Sex Female
Practice address St. Louis, MO, 63127
Phone (314) 698-2500
Fax (314) 698-2323
Enumeration date Sep 30, 2008
Last updated in NPPES Mar 2, 2011

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 133876 (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.

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Frequently asked questions

What is the NPI number for Erin Holloway?
The National Provider Identifier (NPI) for Erin Holloway is 1033369798, a Type 1 (individual) record in the CMS NPPES registry.
Where does Erin Holloway practice?
The practice location on file with NPPES is in St. Louis, MO. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-03-02.