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Nurse Practitioner

Lisa C. Armstrong

Works at hospitals in Exeter, NH · New Hampshire

Summary

Lisa C. Armstrong (Nurse Practitioner) is listed by Medicare at 1 hospital in Exeter, NH. NPI 1356738876. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Lisa C. Armstrong, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
12Years since medical school (graduated 2014)
FemaleGender (as listed)
Core Physicians LLCGroup practice

Quick answers

Which hospitals does Lisa C. Armstrong work at?
Medicare's official clinician data lists Lisa C. Armstrong at 1 hospital: Exeter Hospital Inc. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Lisa C. Armstrong see patients?
Medicare's clinician data lists 3 practice locations, including Exeter, NH. Call before your visit to confirm the address.
What is Lisa C. Armstrong's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Lisa C. Armstrong accept Medicare assignment?
Yes. Medicare's clinician data says Lisa C. Armstrong accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Lisa C. Armstrong?
(603) 580-6457, as listed in official Medicare / NPI Registry data.
What is Lisa C. Armstrong's NPI number?
1356738876. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Lisa C. Armstrong works

Medicare's Facility Affiliation Data lists Lisa C. Armstrong at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Lisa C. Armstrong is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Lisa C. Armstrong as a member of this group (CMS data updated 2026-10-02).

  • Core Physicians LLC289 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, New Hampshire →

Other nurse practitioners in Exeter

Clinicians with the same Medicare primary specialty in Exeter, NH — not a recommendation.

All nurse practitioners in Exeter →

Clinician information

Graduation year2014
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1356738876
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians