Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Erin Kristin Williams, PHARMD

Pharmacist in Saint Louis, MO · enumerated 2008.

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

National Provider Identifier

1942453162

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Registry record

Entity type Individual (Type 1)

Name Mrs. Erin Kristin Williams

Credential PHARMD

Sex Female

Practice address 4588 Parkview Pl, Saint Louis, MO, 63110

Phone (314) 367-8700

Enumeration date Oct 31, 2008

Last updated in NPPES Oct 31, 2008

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License 2008028394 (MO) Primary

183500000X Pharmacist Pharmacy Service Providers · License 12872 (NE) Secondary

PHARMD · Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy. About the PHARMD 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 Erin Williams?

The National Provider Identifier (NPI) for Erin Williams is 1942453162, a Type 1 (individual) record in the CMS NPPES registry.

Where does Erin Williams practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-10-31.