Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mary E Brennan, ARNP

Individual provider Registered Nurse · NPI 1861485872

Mary E Brennan, ARNP is a Registered Nurse in Longview, Washington. Licensed in Washington. Registered with an NPI since 2005.

Licensed in
WA
In the registry since
2005
Specialties on file
4
What do these letters mean?
ARNP — Advanced Registered Nurse Practitioner
The title some states use for an advanced practice nurse.

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Practice location Address checks out

1405 Delaware St
Longview, WA 98632-2326
Phone: (360) 414-2332
Fax: (360) 414-2330
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Occupational Health Nurse Practitioner (primary) Taxonomy 363LX0106X · Licence AP30001951 (WA)
Registered Nurse Taxonomy 163W00000X · Licence RN00061070 (WA)
Occupational Health Registered Nurse Taxonomy 163WX0106X · Licence RN00061070 (WA)
Adult Health Nurse Practitioner Taxonomy 363LA2200X · Licence AP30001951 (WA)

Record details

NPI number1861485872
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP
Sole proprietorNo
NPI enumeratedAugust 24, 2005
Last updated in NPPESSeptember 11, 2025

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