1. Home
  2. Directory
  3. North Dakota
  4. Mandan
  5. Nurse Practitioner
  6. NPI Profile

NELYA DYAK NP
NPI 1083478390
Nurse Practitioner - Family in Mandan, ND

Active since February 07, 2024PECOS Enrolled
404 LENA CT SE, MANDAN, ND 58554(607) 221-3422 Get Directions Write a Review

NPPES record last updated: February 7, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Nelya Dyak Np NPPES

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

NELYA DYAK NP (NPI 1083478390) is an individual family provider in Mandan, North Dakota, licensed in North Dakota (R45474) and active in the NPI registry since February 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083478390
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameNELYA DYAKCredential: NP
Location Address404 LENA CT SEMandan, ND 58554-5156
Mailing Address404 Lena Ct SeMandan, ND 58554-5156 · (607) 221-3422
Phone(607) 221-3422
Sole ProprietorNo
Enumeration DateFebruary 7, 2024
NPPES CertifiedFebruary 7, 2024
✔ NPI 1083478390 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in ND · R45474
404 LENA CT SE, Mandan, ND 58554
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nelya Dyak Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Nelya Dyak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

St. Alexius Medical Center
5.1 mi
Specialist
900 E BROADWAY AVE
Bismarck, ND 58501
  • Reassigned Medicare billing, North Dakota enrollment
  • 616 clinicians in this Medicare group
NPI 1205868429 (701) 530-7000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 58554 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
$85.71 typical visit price
range $55.75 – $168.12
Typical copayment $21.42 (range $13.93 – $42.03)
Most-billed visit code 99203
Established Patient
$98.29 typical visit price
range $18.11 – $137.65
Typical copayment $24.57 (range $4.52 – $34.41)
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.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nelya Dyak's NPI number?

The NPI number for Nelya Dyak is 1083478390. It was assigned to this individual provider in the NPPES registry on February 7, 2024.

Where is Nelya Dyak located?

Nelya Dyak practices at 404 Lena Ct SE, Mandan, ND 58554. The listed phone number is (607) 221-3422.

What is Nelya Dyak's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Nelya Dyak enrolled in Medicare?

Yes. Nelya Dyak is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nelya Dyak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nelya Dyak reassigns Medicare benefits to St. Alexius Medical Center (Bismarck, ND). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nelya Dyak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nelya Dyak was last updated on February 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.