Unknown Individual – Cardiovascular Disease Physician, NPI 1659363588

Unknown Individual is a healthcare provider. based in Seattle, Washington. specializing in Cardiovascular Disease Physician. They hold a License No. MD00020994 (WA). The NPI Number for Unknown Individual is 1659363588

Main info

Organization
Inactive
Name
Unknown Individual
NPI
1659363588
Phone
(206) 244-8121
Address
PO BOX 13684
Deactivation Date
22 February 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 13684

    SEATTLE, WA 981981010

    Phone: (206) 244-8121

    Type: Mailing

  • Three Tree Medical Arts Building, 16259, Sylvester Road Southwest, Five Corners, Burien, King County, Washington, 98166, United States

    SUITE 401

    BURIEN, WA 981663049

    Phone: (206) 244-8121

    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 98198)

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Reviews

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Frequently asked questions

How is Unknown Individual identified in CMS data?
CMS-hosted NPPES data lists Unknown Individual with NPI 1659363588.
What dates should I check for Unknown Individual's activity?
We display what the registry publishes: Unknown Individual appears inactive there.
What taxonomy line describes Unknown Individual?
For research purposes, treat Unknown Individual as Cardiovascular Disease Physician in this dataset. Clinical services aligned with this taxonomy classification.
Does Unknown Individual list a practice location?
Patients near Seattle, Washington may find Unknown Individual in results; validate coverage separately.
Is the information about Unknown Individual up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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