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

Marjorie J. Sladek, ARNP

Individual provider Adult Health Nurse Practitioner · NPI 1619116498

Marjorie J. Sladek, ARNP is an Adult Health Nurse Practitioner in Federal Way, Washington. Licensed in Washington. Registered with an NPI since 2009.

Licensed in
WA
In the registry since
2009
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

34509 9th Ave S Ste 200
Federal Way, WA 98003-6700
Phone: (253) 927-4777
Fax: (253) 565-8777
Show map & directions

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

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence AP60056902 (WA)

Record details

NPI number1619116498
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP
Sole proprietorNo
NPI enumeratedFebruary 18, 2009
Last updated in NPPESJuly 5, 2026

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