NPPES file of Aug 9, 2026

Kathleen Mathews, MSN, APRN

Acute Care Nurse Practitioner · Portland, ME

Kathleen Mathews, MSN, APRN is an acute care nurse practitioner with a practice address in Portland, Maine, and NPI 1346918455, issued on Sep 2, 2021. Check the license (Maine CNP241354, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1346918455
Name
Kathleen Mathews
Credential
MSN, APRN
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
CNP241354 ME
Self-reported in NPPES; status is on the state search
Practice location
175 Fore River Pkwy, Portland, ME 04102
Phone
(207) 879-3000
Enumerated
Sep 2, 2021
Record last updated
Sep 7, 2024
Medicare enrollment
Enrolled (PECOS I20240916001680); 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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Also registered at 175 Fore River Pkwy

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

  1. Emily Anderson, NPNeonatal Nurse Practitioner1952960171
  2. Katherine Badger, MDFamily Medicine Physician1083281224
  3. Shannon Barnicle, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1447877352
  4. Cole BarskiCertified Registered Nurse Anesthetist1043930910
  5. Ari Berman, MDInternal Medicine Physician1225015829
  6. Kirsten Berman, M.D.Internal Medicine Physician1043280431

Verify Kathleen Mathews 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 CNP241354
    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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98% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024

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

  1. Kathleen Mathews14
  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.

Bills Medicare through one group practice

  1. Mercy HospitalPortland, ME

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

Kathleen Mathews among 167 acute care nurse practitioner records in Maine

Kathleen Mathews, MSN, APRN 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 2021, is newer than 39% of them.

  • NPI issued2021 · 39% of these records are older, 56% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2019 · median 2021 among the 118 with a school on file
  • Record last updated2024 · 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.

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 Kathleen Mathews, MSN, APRN's NPI number?

Kathleen Mathews, MSN, APRN's National Provider Identifier (NPI) is 1346918455, issued on Sep 2, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Kathleen Mathews, MSN, APRN located?

The NPPES record lists a practice address at 175 Fore River Pkwy, Portland, ME, 04102. Phone: (207) 879-3000. Providers update this record themselves, so call before visiting.

How can I verify Kathleen Mathews, MSN, APRN's license?

NPPES lists Maine license number CNP241354, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

How much does Kathleen Mathews, MSN, APRN prescribe under Medicare Part D?

In 2024, Kathleen Mathews, MSN, APRN had 14 Medicare Part D claims; 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.