Marjorie Sladek, ARNP
NPI 1619116498 · Adult Health Nurse Practitioner · Federal Way, WA
Marjorie Sladek, ARNP is a Adult Health Nurse Practitioner provider in Federal Way, WA (NPI 1619116498).
Provider details
- NPI number
- 1619116498
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP60056902 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-02-18
- Last updated
- 2014-07-02
Frequently asked questions
- What is Marjorie Sladek's NPI number?
- Marjorie Sladek's National Provider Identifier (NPI) is 1619116498, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marjorie Sladek's specialty?
- Marjorie Sladek is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marjorie Sladek located?
- Marjorie Sladek's practice location on file with NPPES is 34509 9th Ave S, Federal Way, WA 98003-6700.
- What is Marjorie Sladek's phone number?
- The practice phone number listed in the NPPES registry for Marjorie Sladek is (253) 927-4777.
- Is Marjorie Sladek's NPI active?
- Yes — Marjorie Sladek's NPI (1619116498) is active in the NPPES registry as of the last update on 2014-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.