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

Dr. Stephanie Lea Nagai, DNP, ARNP, PMHNP-BC

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1154964120

Dr. Stephanie Lea Nagai, DNP, ARNP, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner in Renton, Washington. Licensed in Washington. Registered with an NPI since 2019.

Licensed in
WA
In the registry since
2019
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.
ARNP — Advanced Registered Nurse Practitioner
The title some states use for an advanced practice nurse.
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

15 S Grady Way Ste 249
Renton, WA 98057-3209
Phone: (425) 233-0431
Fax: (425) 329-8087
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 61006356 (WA)

Record details

NPI number1154964120
Entity typeIndividual (Type 1)
GenderFemale
Credentials DNP , ARNP , PMHNP-BC
Sole proprietorNo
NPI enumeratedOctober 23, 2019
Last updated in NPPESApril 10, 2025
Certification dateApril 10, 2025

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