Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Gretchen Mary Engel, RDH

Dental Hygienist in Saint Louis, MO · enumerated 2007.

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

National Provider Identifier

1417080987

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Registry record

Entity type Individual (Type 1)

Name Gretchen Mary Engel

Credential RDH

Sex Female

Practice address 4580 S Lindbergh Blvd, Saint Louis, MO, 63127

Phone (314) 842-1300

Enumeration date Mar 14, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

124Q00000X Dental Hygienist Dental Providers · License 003409 (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 Gretchen Engel practice?

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

What is the NPI number for Gretchen Engel?

The National Provider Identifier (NPI) for Gretchen Engel is 1417080987, 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 2007-07-08.