Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ariana Wong Won

Surgical Physician Assistant in Greenwich, CT · enumerated 2015.

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

National Provider Identifier

1104204486

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Registry record

Entity type Individual (Type 1)

Name Ariana Wong Won

Sex Female

Practice address 6 Greenwich Office Park, Greenwich, CT, 06831

Phone (203) 869-1145

Fax (203) 618-1721

Enumeration date May 7, 2015

Last updated in NPPES Oct 12, 2020

Taxonomy & licenses

363AS0400X Surgical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 3369 (CT) Primary

Other identifiers

Identifier	Type	State	Issuer
3369	Other	CT	LICENSE

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

What is the NPI number for Ariana Wong Won?

The National Provider Identifier (NPI) for Ariana Wong Won is 1104204486, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ariana Wong Won practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-12.