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MARY E BRENNAN ARNP
NPI 1861485872
Nurse Practitioner - Occupational Health in Longview, WA

Active since August 24, 2005
1405 DELAWARE ST, LONGVIEW, WA 98632(360) 414-2332(360) 414-2330 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Mary E Brennan Arnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY E BRENNAN ARNP (NPI 1861485872) is an individual occupational health provider in Longview, Washington, licensed in Washington (AP30001951) and active in the NPI registry since August 2005.

NPPES Registry Identity

NPI1861485872
Entity TypeIndividualFemale
Primary Taxonomy363LX0106X
Provider Legal NameMARY E BRENNANCredential: ARNP
Location Address1405 DELAWARE STLongview, WA 98632-2326
Mailing AddressPo Box 249Longview, WA 98632-7154 · (360) 414-2000
Phone(360) 414-2332
Fax(360) 414-2330
Sole ProprietorNo
Enumeration DateAugust 24, 2005
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1861485872 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyNurse Practitioner · Occupational HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LX0106X
License✔ Licensed in WA · AP30001951
Also ListedRegistered NurseTaxonomy 163W00000X · License RN00061070 (WA)
Also ListedRegistered Nurse · Occupational HealthTaxonomy 163WX0106X · License RN00061070 (WA)
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License AP30001951 (WA)

Other Identifiers 4

Medicaid100229OR
Other166678WA · Labor & Ind.
Other8933453WA · Crime Victims
Medicaid9636150WA

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PEACEHEALTH
Durable Medical Equipment & Medical Supplies
1405 DELAWARE ST
LONGVIEW, WA 98632
Cowlitz County (360) 414-2332
DR. BRIAN P. FAWCETT M.D. / M.P.H.
Preventive Medicine (Occupational Medicine)
1405 DELAWARE ST
LONGVIEW, WA 98632
Cowlitz County (360) 414-2329

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Brennan's NPI number?

The NPI number for Mary Brennan is 1861485872. It was assigned to this individual provider in the NPPES registry on August 24, 2005.

Where is Mary Brennan located?

Mary Brennan practices at 1405 Delaware St, Longview, WA 98632. The listed phone number is (360) 414-2332.

What is Mary Brennan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Occupational Health, with taxonomy code 363LX0106X.

When was this NPI record last updated?

The NPPES record for Mary Brennan was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.