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

Douglas Lee Wirth, DMD

General Practice Dentistry in Oak Harbor, WA · enumerated 2006.

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

National Provider Identifier

1053493783

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Registry record

Entity type Individual (Type 1)

Name Douglas Lee Wirth

Credential DMD

Sex Male

Practice address Oak Harbor, WA, 98277

Phone (360) 675-6404

Fax (360) 240-1301

Enumeration date Oct 20, 2006

Last updated in NPPES Mar 15, 2017

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

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License DE00005773 (WA) Primary

DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD 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

Where does Douglas Wirth practice?

The practice location on file with NPPES is in Oak Harbor, WA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Douglas Wirth?

The National Provider Identifier (NPI) for Douglas Wirth is 1053493783, 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 2017-03-15.