Unknown Individual – Social Worker, NPI 1902999857

Unknown Individual is a healthcare provider. based in Seattle, Washington. specializing in Social Worker. They hold a License No. LW00005729 (WA). The NPI Number for Unknown Individual is 1902999857

Main info

Organization
Inactive
Name
Unknown Individual
NPI
1902999857
Phone
(206) 543-6420
Address
PO BOX 50095
Deactivation Date
22 November 2023
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience14
Completeness75
Years active:0State licenses:1Digital endpointsOther names

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Provider Addresses for Unknown Individual

  • PO BOX 50095

    SEATTLE, WA 981455095

    Phone: (206) 543-6420

    Type: Mailing

  • 1355, Northwest 205th Street - 244th Street Southwest, Forest Glen, Shoreline, King County, Washington, 98177, United States

    SHORELINE, WA 981333215

    Phone: (206) 542-5656

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 98145)

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Reviews

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Frequently asked questions

What is the standard ID for Unknown Individual in the U.S.?
In the U.S., Unknown Individual is identified by NPI 1902999857.
What does inactive NPI status mean for Unknown Individual?
Inactive status means the NPI record is not marked active in the public file — verify before making care decisions.
What does the directory say Unknown Individual does?
Insurance directories may phrase it differently, but here Unknown Individual maps to Social Worker. Clinical services aligned with this taxonomy classification.
Is Unknown Individual tied to Seattle, Washington?
If you are local to Seattle, Washington, Unknown Individual may be relevant to your search.
Can I verify credentials using only NPI?
NPI confirms identity in the directory; licensure and board certification require separate checks.

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