Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Evert-Jan Verschuyl, MD
Vascular & Interventional Radiology Physician in Olympia, WA · enumerated 2005 · practices at South Sound Radiologists Inc P S.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1831170927
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0417786 | Other | WA | L&I-RADIA KING CTY |
| 0384715 | Other | WA | L&I-RADIA REST OF WA |
| 1045847 | Medicaid | WA | - |
| 0114512 | Other | WA | L&I-SOUTH SOUND RADIOLOGY |
| 0405724 | Other | WA | L&I-SEATTLE RADIOLOGY |
| 0417788 | Other | WA | L&I-SWEDISH RADIA EDMONDS |
| 0417790 | Other | WA | L&I-EVERGREEN RADIA |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
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Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-08.