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

Allison Sy Tan, PA-C

Q: What is the NPI number for Allison Tan?

The National Provider Identifier (NPI) for Allison Tan is 1740804384, a Type 1 (individual) record in the CMS NPPES registry.

Physician Assistant in Verona, NJ · enumerated 2020.

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

National Provider Identifier

1740804384

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Registry record

Entity type Individual (Type 1)

Name Allison Sy Tan

Credential PA-C

Sex Female

Practice address Verona, NJ, 07044

Phone (732) 694-8862

Enumeration date May 29, 2020

Last updated in NPPES Jun 18, 2025

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

Taxonomy & licenses

363AS0400X Surgical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 25MP00566300 (NJ) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Allison Tan?

The National Provider Identifier (NPI) for Allison Tan is 1740804384, a Type 1 (individual) record in the CMS NPPES registry.

Where does Allison Tan practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-18.