NPPES file of Aug 9, 2026

Margaretta Byrne

Family Nurse Practitioner · Scarborough, ME

Margaretta Byrne is a family nurse practitioner with a practice address in Scarborough, Maine, and NPI 1851643548, issued on Oct 5, 2012. Check the license (Maine CNP121083, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1851643548
Name
Margaretta Byrne
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
CNP121083 ME
RN62330 ME
Self-reported in NPPES; status is on the state search
Practice location
49 Spring St, Scarborough, ME 04074
Phone
(207) 883-1414
Enumerated
Oct 5, 2012
Record last updated
Aug 22, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(207) 883-1010
Medicare enrollment
Enrolled (PECOS I20121221000082); accepts Medicare assignment
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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8 nearest family nurse practitioner records → All 1,274 in Maine → Look up another NPI →

Also registered at 49 Spring St

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

  1. Joseph Alexander, MDNeurological Surgery Physician1457331035
  2. Elizabeth Anderson, PA-CSurgical Physician Assistant1467496414
  3. Jason Aucoin, ANPAdult Health Nurse Practitioner1316032824
  4. Nancy Ball, MDPhysical Medicine & Rehabilitation Physician1841234234
  5. Konrad Barth, MDNeurological Surgery Physician1558307330
  6. John Belden, M.D.Neurology Physician1194725754

Verify Margaretta Byrne in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this profession
    Search for license CNP121083    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 Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Bishop Medical Group LLCPortland, ME

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

Margaretta Byrne among 1,274 family nurse practitioner records in Maine

Margaretta Byrne is one of 1,274 family nurse practitioner records with a practice address in Maine. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 33% of them.

  • NPI issued2012 · 33% of these records are older, 63% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2012 · median 2018 among the 811 with a school on file
  • Record last updated2016 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

70 family nurse practitioner records list a practice address in Scarborough

They are 70 of the 1,043 NPPES records with a practice address in Scarborough, and 1,274 family nurse practitioner records in Maine.

All 1,274 in Maine → Every provider in Scarborough → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Colette Beaumont, RNNPScarborough, ME 040741790834588
  2. Deanna Bennett, NPScarborough, ME 040741336175363
  3. Lori Brodsky, NPScarborough, ME 040741164534822
  4. Jean Cass, FNPScarborough, ME 040741215029970
  5. Heather Chase, NP-CScarborough, ME 040741013240571
  6. Sheri Clark, FNPScarborough, ME 040741821095241
  7. Cynthia Heelan, FNPScarborough, ME 040741225283229
  8. Liana Kelly, FNPScarborough, ME 040741649312638

Common questions

What is Margaretta Byrne's NPI number?

Margaretta Byrne's National Provider Identifier (NPI) is 1851643548, issued on Oct 5, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Margaretta Byrne located?

The NPPES record lists a practice address at 49 Spring St, Scarborough, ME, 04074. Phone: (207) 883-1414. Providers update this record themselves, so call before visiting.

How can I verify Margaretta Byrne's license?

NPPES lists Maine license number CNP121083, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.