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
Mailing addressPo Box 249, Longview, WA 98632-7154

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