Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary Marshall, RDH

Dental Hygienist in Coos Bay, OR · enumerated 2021.

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

National Provider Identifier

1033884176

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Registry record

Entity type Individual (Type 1)

Name Mary Marshall

Credential RDH

Sex Female

Practice address 630 Miluk Dr, Coos Bay, OR, 97420

Phone (541) 888-9494

Enumeration date Aug 11, 2021

Last updated in NPPES Aug 11, 2021

Taxonomy & licenses

124Q00000X Dental Hygienist Dental Providers · License H8009 (OR) 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

What specialty is Mary Marshall?

Mary Marshall is registered in NPPES with the primary taxonomy of Dental Hygienist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-08-11.