NPPES file of Aug 9, 2026

Ekatherina Diadiuk, FNP-C

Nurse Practitioner · Houlton, ME

Ekatherina Diadiuk, FNP-C is a nurse practitioner with a practice address in Houlton, Maine, and NPI 1205664414, issued on Jul 22, 2024. Check the license (Maine CNP251450, as entered in NPPES) with the Maine board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1205664414
Name
Ekatherina Diadiuk
Credential
FNP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License number
CNP251450 ME
Self-reported in NPPES; status is on the state search
Practice location
59 Bangor St, Houlton, ME 04730
Phone
(207) 538-3700
Enumerated
Jul 22, 2024
Record last updated
Sep 4, 2025
Medicare enrollment
Enrolled (PECOS I20250814000742); may accept 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 nurse practitioner records → All 450 in Maine → Look up another NPI →

Also registered at 59 Bangor St

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

  1. Jasmine AliRegistered Nurse1225864267
  2. Keri Bennett, RNRegistered Nurse1619597804
  3. Angela Bickford, RNRegistered Nurse1982323119
  4. Jeffrey Bouchard, LPNLicensed Practical Nurse1801661319
  5. Bernhard Bringewald, DMDDentist1538454475
  6. Yvonne BrinkmanRegistered Nurse1821350075

Verify Ekatherina Diadiuk 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 CNP251450    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

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Ekatherina Diadiuk among 450 nurse practitioner records in Maine

Ekatherina Diadiuk, FNP-C is one of 450 nurse practitioner records with a practice address in Maine. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2024, is newer than 96% of them.

  • NPI issued2024 · 96% of these records are older, 2% newer
  • In a Medicare fileNo · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2023 · median 2017 among the 258 with a school on file
  • Record last updated2025 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 nurse practitioner records list a practice address in Houlton

They are 5 of the 258 NPPES records with a practice address in Houlton, and 450 nurse practitioner records in Maine. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 450 in Maine → Every provider in Houlton → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. William Leedy, FNP-CHoulton, ME 047301053103457
  2. Robert Lemoine, APRNHoulton, ME 047301891800249
  3. Sheela Porter-Smith, CNMHoulton, ME 047301134385552
  4. Lyndsi WardHoulton, ME 047301417238098
  5. Ann Gahagan, FNPCaribou, ME 047361336117159
  6. Josee Romann, FNPCaribou, ME 047361447537964
  7. Brandi Rossignol, APRN FNPCaribou, ME 047361649898271
  8. Adais Viruet-Torres, APNCaribou, ME 047361508596438

Common questions

What is Ekatherina Diadiuk, FNP-C's NPI number?

Ekatherina Diadiuk, FNP-C's National Provider Identifier (NPI) is 1205664414, issued on Jul 22, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Ekatherina Diadiuk, FNP-C located?

The NPPES record lists a practice address at 59 Bangor St, Houlton, ME, 04730. Phone: (207) 538-3700. Providers update this record themselves, so call before visiting.

How can I verify Ekatherina Diadiuk, FNP-C's license?

NPPES lists Maine license number CNP251450, 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. 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.