Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Nelson Cesar Di Paolo, PHD, BSN

Interpreter in Bellevue, WA · enumerated 2022.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1215661699

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Registry record

Entity type Individual (Type 1)

Name Dr. Nelson Cesar Di Paolo

Credential PHD, BSN

Sex Male

Practice address Bellevue, WA, 98007

Phone (064) 996-7302

Enumeration date Jul 12, 2022

Last updated in NPPES Jul 12, 2022

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

171R00000X Interpreter Other Service Providers · License MC55915 (WA) Primary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Nelson Di Paolo practice?

The practice location on file with NPPES is in Bellevue, WA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Nelson Di Paolo?

The National Provider Identifier (NPI) for Nelson Di Paolo is 1215661699, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-12.