Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Patricia W Gregg, RDH

Dental Hygienist in Saint Louis, MO · enumerated 2012.

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

National Provider Identifier

1245582667

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Registry record

Entity type Individual (Type 1)

Name Mrs. Patricia W Gregg

Credential RDH

Sex Female

Practice address 2220 Lemp Ave, Saint Louis, MO, 63104

Phone (314) 898-1700

Fax (314) 814-8542

Enumeration date Oct 9, 2012

Last updated in NPPES Oct 9, 2012

Taxonomy & licenses

124Q00000X Dental Hygienist Dental Providers · License 2011015651 (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

Is NPI 1245582667 active?

Yes, as of the latest NPPES snapshot, NPI 1245582667 is active (record last updated 2012-10-09).

How do I verify Patricia Gregg's NPI record?

Cross-check NPI 1245582667 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-10-09.