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

Diana Lynn Belisario

Nurse Practitioner in Escondido, CA · enumerated 2021.

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

National Provider Identifier

1891452090

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Registry record

Entity type Individual (Type 1)
Name Diana Lynn Belisario
Sex Female
Practice address Escondido, CA, 92027
Enumeration date Nov 22, 2021
Last updated in NPPES Nov 22, 2021

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

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 95019202 (CA) Primary

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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Frequently asked questions

What is the NPI number for Diana Belisario?
The National Provider Identifier (NPI) for Diana Belisario is 1891452090, a Type 1 (individual) record in the CMS NPPES registry.
Where does Diana Belisario practice?
The practice location on file with NPPES is in Escondido, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-22.