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

Ellen Q Stepniewski, ARNP

Individual provider Pediatric Nurse Practitioner · NPI 1790881340

Ellen Q Stepniewski, ARNP is a Pediatric Nurse Practitioner in Yakima, Washington. Licensed in Washington. Registered with an NPI since 2006.

Licensed in
WA
In the registry since
2006
What do these letters mean?
ARNP — Advanced Registered Nurse Practitioner
The title some states use for an advanced practice nurse.

See every abbreviation used in this directory →

Practice location Address checks out

314 S 11th Ave Ste A
Yakima, WA 98902-3212
Phone: (509) 575-0114
Fax: (509) 575-0808
Show map & directions

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

Specialties & licences

Pediatric Nurse Practitioner (primary) Taxonomy 363LP0200X · Licence AP30000788 (WA)

Record details

NPI number1790881340
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP
Sole proprietorNo
NPI enumeratedSeptember 14, 2006
Last updated in NPPESMay 28, 2015
Mailing address501 S 5th Ave, Yakima, WA 98902-3550

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