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Allison Marie Jiongo, FNP

Family Nurse Practitioner in Fairfax, VA · enumerated 2023.

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

National Provider Identifier

1265207492

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Registry record

Entity type Individual (Type 1)
Name Allison Marie Jiongo
Credential FNP
Sex Female
Practice address 3650 Joseph Siewick Dr Ste 400, Fairfax, VA, 22033
Phone (703) 391-2020
Enumeration date Nov 17, 2023
Last updated in NPPES Apr 23, 2026

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 0024187972 (VA) Primary
FNP · Family Nurse Practitioner: A nurse practitioner certified in family practice across the lifespan. About the FNP 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.

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Frequently asked questions

What is the NPI number for Allison Jiongo?
The National Provider Identifier (NPI) for Allison Jiongo is 1265207492, a Type 1 (individual) record in the CMS NPPES registry.
Where does Allison Jiongo practice?
The practice location on file with NPPES is in Fairfax, VA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-23.