EKATHERINA DIADIUK FNP-C
NPI 1205664414
Nurse Practitioner in Houlton, ME

Q: What is Ekatherina Diadiuk's NPI number?

The NPI number for Ekatherina Diadiuk is 1205664414. It was assigned to this individual provider in the NPPES registry on July 22, 2024.

Q: What is Ekatherina Diadiuk's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Active since July 22, 2024PECOS Enrolled

59 BANGOR ST, HOULTON, ME 04730(207) 538-3700 Get Directions Write a Review

NPPES record last updated: September 4, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 4, 2025, Jul 30, 2024, Jul 22, 2024 (3 updates tracked since 2024).

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About Ekatherina Diadiuk Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

EKATHERINA DIADIUK FNP-C (NPI 1205664414) is an individual nurse practitioner in Houlton, Maine, licensed in Maine (CNP251450) and active in the NPI registry since July 2024. She is enrolled in Medicare PECOS, is affiliated with Houlton Regional Hospital, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1205664414

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameEKATHERINA DIADIUKCredential: FNP-C

Location Address59 BANGOR STHoulton, ME 04730-1740

Mailing Address59 Bangor StHoulton, ME 04730-1740 · (207) 538-3700

Phone(207) 538-3700

Sole ProprietorNo

Medical School CMSOtherGraduated 2023

Enumeration DateJuly 22, 2024

Last NPPES UpdateSeptember 4, 20253 updates tracked since enumeration

NPPES CertifiedSeptember 4, 2025

✔ NPI 1205664414 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in ME · CNP251450

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

59 BANGOR ST, Houlton, ME 04730

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ekatherina Diadiuk Fnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4082113477

PECOS Enrollment IDI20250814000742

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Houlton Regional Hospital

Critical Access Hospitals · Houlton, ME

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number201308

Location20 Hartford StreetHoulton, ME 04730 · Aroostook County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04730 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$82.58 typical visit price

range $53.26 – $162.77

Typical copayment $20.64 (range $13.31 – $40.69)

Most-billed visit code 99203

Established Patient

$94.60 typical visit price

range $16.90 – $132.79

Typical copayment $23.65 (range $4.22 – $33.19)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALLISON MCGARY

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