NPPES file of Aug 9, 2026

Lorna Mairead McMahon, NP

Acute Care Nurse Practitioner · Newburyport, MA

Lorna Mairead McMahon, NP is an acute care nurse practitioner with a practice address in Newburyport, Massachusetts, and NPI 1184357667, issued on Jul 2, 2022. Check the license (Massachusetts RN2304350, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184357667
Name
Lorna Mairead McMahon
Credential
NP
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
RN2304350 MA
Self-reported in NPPES; status is on the state search
Practice location
255 Low St Ste 102, Newburyport, MA 01950
Phone
(978) 463-1000
Enumerated
Jul 2, 2022
Record last updated
Jul 17, 2026
Medicare enrollment
Enrolled (PECOS I20250307001067); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 255 Low St Ste 102

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nadine Daou, NP-CNurse Practitioner1285180331
  2. Julie Geary, MDEndocrinology, Diabetes & Metabolism Physician1285691238

Verify Lorna Mairead McMahon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license RN2304350
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

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93% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024

44 Medicare Part D claims for 39 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D.

  1. Lorna McMahon44
  2. Specialty average594

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $49.57

2 payments; by number, the most common kind was food and beverage; the largest payer was CeQur Corporation. The 10,984 providers of this specialty with any payment received $647.94 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lorna McMahon$49.57
  2. Specialty average$647.94

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Seacoast Affiliated Group Practice IncNewburyport, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Acute Care Nurse Practitioner providers in Massachusetts

There are 598 acute care nurse practitioner records in Massachusetts.

Other acute care nurse practitioner records in Massachusetts

  1. Allison AditaysWorcester, MA1326602442
  2. Sandra Aiello, APRNWorcester, MA1063707990
  3. Tina AlibozekPittsfield, MA1023517380
  4. Christopher AllenBoston, MA1174139976
  5. Julia Allen, NPBoston, MA1275969370
  6. Heidi Almodovar, PNPBoston, MA1922324250
  7. Jennifer Aman, NPBoston, MA1053966234
  8. Kristina Amaral, CNPFall River, MA1881164184
  9. Mary Amatangelo, NPBoston, MA1114191442
  10. Jaines Andrades, NPSpringfield, MA1649898065

Common questions

What is Lorna Mairead McMahon, NP's NPI number?

Lorna Mairead McMahon, NP's National Provider Identifier (NPI) is 1184357667, issued on Jul 2, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Lorna Mairead McMahon, NP located?

The NPPES record lists a practice address at 255 Low St Ste 102, Newburyport, MA, 01950. Phone: (978) 463-1000. Providers update this record themselves, so call before visiting.

How can I verify Lorna Mairead McMahon, NP's license?

NPPES lists Massachusetts license number RN2304350, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Lorna Mairead McMahon, NP prescribe under Medicare Part D?

In 2024, Lorna Mairead McMahon, NP had 44 Medicare Part D claims for 39 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.