NPPES file of Aug 9, 2026

Courtney Irene Maccallum, AGACNP

Acute Care Nurse Practitioner · Portland, ME

Courtney Irene Maccallum, AGACNP is an acute care nurse practitioner with a practice address in Portland, Maine, and NPI 1629966759, issued on Jun 26, 2025. Check the license (Maine CNP251297, 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
1629966759
Name
Courtney Irene Maccallum
Credential
AGACNP
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
CNP251297 ME
Self-reported in NPPES; status is on the state search
Practice location
887 Congress St Ste 400, Portland, ME 04102
Phone
(207) 774-6368
Enumerated
Jun 26, 2025
Record last updated
Jun 8, 2026
Fax
(207) 774-9388
Medicare enrollment
Enrolled (PECOS I20250909001257); 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 acute care nurse practitioner records → All 167 in Maine → Look up another NPI →

Also registered at 887 Congress St Ste 400

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

  1. Meredith BakerPediatric Surgery Physician1881937712
  2. Kristina Bermas, MDSurgical Critical Care Physician1164685749
  3. Anna Boniakowski, MDVascular Surgery Physician1134565492
  4. Melanie Bureau, ACNPAcute Care Nurse Practitioner1598644452
  5. Michelle Carnes, ANPAdult Health Nurse Practitioner1689648487
  6. Marc Demers, MDSurgery Physician1396847794

Verify Courtney Irene Maccallum 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 CNP251297    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. MainehealthPortland, ME

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

Courtney Irene Maccallum among 167 acute care nurse practitioner records in Maine

Courtney Irene Maccallum, AGACNP is one of 167 acute care nurse practitioner records with a practice address in Maine. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 76% of them.

  • NPI issued2025 · 76% of these records are older, 6% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2025 · median 2021 among the 118 with a school on file
  • Record last updated2026 · 23% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in Maine

There are 167 acute care nurse practitioner records in Maine.

All 167 in Maine → Every provider in Portland → Acute Care Nurse Practitioner nationwide →

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Angela Amano, NPPortland, ME 041021720313232
  2. Erin Bacon, AGACNPPortland, ME 041021760729057
  3. Kristen Bell, NPPortland, ME 041021265786511
  4. Meghan Botler, ACNPPortland, ME 041021922375864
  5. Mary Brennan, APRN-BCPortland, ME 041021699782623
  6. Courtney Chartrand, NPPortland, ME 041021821391947
  7. Ashley Geller, NPPortland, ME 041021588928212
  8. Catherine Grams, NPPortland, ME 041021356658462

Common questions

What is Courtney Irene Maccallum, AGACNP's NPI number?

Courtney Irene Maccallum, AGACNP's National Provider Identifier (NPI) is 1629966759, issued on Jun 26, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Courtney Irene Maccallum, AGACNP located?

The NPPES record lists a practice address at 887 Congress St Ste 400, Portland, ME, 04102. Phone: (207) 774-6368. Providers update this record themselves, so call before visiting.

How can I verify Courtney Irene Maccallum, AGACNP's license?

NPPES lists Maine license number CNP251297, 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.