Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Lindsay Liwanag, FNP-BC

Nurse Practitioner in Chantilly, VA · enumerated 2015.

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

National Provider Identifier

1720457047

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Registry record

Entity type Individual (Type 1)

Name Lindsay Liwanag

Credential FNP-BC

Sex Female

Practice address 4080 Lafayette Center Dr, Ste. 170, Chantilly, VA, 20151

Phone (703) 766-5040

Enumeration date Sep 16, 2015

Last updated in NPPES Jan 27, 2025

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 0024172889 (VA) Secondary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 0024172889 (VA) 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

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Lindsay Liwanag?

Lindsay Liwanag is registered in NPPES with the primary taxonomy of Nurse Practitioner. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-01-27.