Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Aimee Gwyn Mamich, PMHNP-BC, MSN, RN

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1093607426

Aimee Gwyn Mamich, PMHNP-BC, MSN, RN is a Nurse Practitioner in Longview, Washington. Qualified in 2024, 2 years ago. Licensed in Washington.

Years since qualifying
2
Licensed in
WA
In the registry since
2025
What do these letters mean?
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

831 12th Ave
Longview, WA 98632-2403
Phone: (360) 998-2349
Fax: (360) 998-2887
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence AP61680020 (WA)

Record details

NPI number1093607426
Entity typeIndividual (Type 1)
GenderFemale
Credentials PMHNP-BC , MSN , RN
Sole proprietorNo
NPI enumeratedJuly 18, 2025
Last updated in NPPESDecember 2, 2025
Certification dateDecember 2, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Accepts Medicare assignment Not indicated

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