Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Antoinette Maria Armstrong

Personal Care Attendant in Westernport, MD · enumerated 2023.

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

National Provider Identifier

1427759042

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Registry record

Entity type Individual (Type 1)

Name Antoinette Maria Armstrong

Sex Female

Practice address 25224 Parkland Dr Sw, Westernport, MD, 21562

Phone (304) 788-5467

Fax (304) 788-6363

Enumeration date Mar 10, 2023

Last updated in NPPES Mar 10, 2023

Taxonomy & licenses

3747P1801X Personal Care Attendant Nursing Service Related Providers 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 Antoinette Armstrong?

The National Provider Identifier (NPI) for Antoinette Armstrong is 1427759042, a Type 1 (individual) record in the CMS NPPES registry.

Where does Antoinette Armstrong practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-10.