Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Lisa Carol Armstrong, APRN

Nurse Practitioner in Exeter, NH · enumerated 2015.

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

National Provider Identifier

1356738876

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Registry record

Entity type Individual (Type 1)

Name Mrs. Lisa Carol Armstrong

Credential APRN

Sex Female

Practice address 5 Alumni Dr, Exeter, NH, 03833

Phone (603) 580-6457

Fax (603) 580-6428

Enumeration date Apr 22, 2015

Last updated in NPPES Oct 16, 2025

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 066340-23 (NH) Primary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 066340-23 (NH) Secondary

APRN · Advanced Practice Registered Nurse: An umbrella credential covering NPs, CRNAs, CNMs, and clinical nurse specialists. About the APRN credential

Other identifiers

Identifier	Type	State	Issuer
3106401	Medicaid	NH	-

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 Lisa Armstrong?

The National Provider Identifier (NPI) for Lisa Armstrong is 1356738876, a Type 1 (individual) record in the CMS NPPES registry.

Where does Lisa Armstrong practice?

The practice location on file with NPPES is in Exeter, NH. 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 2025-10-16.