Lorna Mairead Mcmahon, NP

Overview

Entity Type: Individual Healthcare Provider
NPI: 1184357667
Primary Specialty: Nurse Practitioner — Acute Care
Practice Location: Newburyport, Massachusetts
Sole Proprietor: No

Federal Screening

NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.

List of Excluded Individuals/Entities (LEIE)

HHS Office of Inspector General

No potential match identified

No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.

Source data: September 10, 2026
Records indexed: 84,001
Screened: Sep 20, 2026, 4:55 PM UTC

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

SAM.gov Exclusions

U.S. General Services Administration

Not checked

SAM.gov Exclusions was not checked.

SAM.gov screening is not configured on this deployment. No SAM check has been performed.

Screened: Not checked

This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

Run a name-based screening

Searches OIG LEIE and SAM.gov by name and reviews every potential match.

Specialties & Taxonomies

Nurse Practitioner
Acute Care
Physician Assistants & Advanced Practice Nursing Providers
Primary
Definition to come...
Taxonomy code 363LA2100X
Registered Nurse
Neuroscience
Nursing Service Providers
Definition to come...
Taxonomy code 163WN0800X
Internal Medicine
Endocrinology, Diabetes & Metabolism
Allopathic & Osteopathic Physicians
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Taxonomy code 207RE0101X

Provider-Reported License Information

Nurse Practitioner (Massachusetts): RN2304350
Registered Nurse (Massachusetts): RN2304350
Internal Medicine (Massachusetts): RN2304350

License numbers are reported by the provider to NPPES and are not independently verified by NPISignal against any state licensing board. Confirm current license status directly with the issuing state board.

Practice Locations

Practice Location

255 Low St Ste 102

Newburyport, Massachusetts 01950-3596

Phone: (978) 463-1000

Record Information

Enumeration Date: July 2, 2022
Provider's NPPES Record Last Updated: July 17, 2026
Certification Date: July 17, 2026
NPISignal NPPES Dataset: August 2026

Same specialty and location, currently active.

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