TODD MERENIUK, PLLC
NPI 1780267567
Radiology - Radiation Oncology in Oxford, MS
About Todd Mereniuk, Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TODD MERENIUK, PLLC (NPI 1780267567) is a healthcare organization registered as a radiation oncology in Oxford, Mississippi and active in the NPI registry since April 2021. The organization lists Todd Mereniuk, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Todd Mereniuk, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Todd Mereniuk, PLLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Todd Mereniuk, PLLC's NPI number?
The NPI number for Todd Mereniuk, PLLC is 1780267567. It was assigned to this organization in the NPPES registry on April 30, 2021.
Where is Todd Mereniuk, PLLC located?
Todd Mereniuk, PLLC is located at 504 Azalea Dr Dept Of, Oxford, MS 38655. The listed phone number is (662) 636-4444.
What is Todd Mereniuk, PLLC's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Todd Mereniuk, PLLC enrolled in Medicare?
Yes. Todd Mereniuk, PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Todd Mereniuk, PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Radiation Oncology) reassigns their Medicare billing to Todd Mereniuk, PLLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Todd Mereniuk, PLLC was last updated on July 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.
# Todd Mereniuk, Pllc · NPI 1780267567
Radiation Oncology organization in Oxford, Mississippi. Organization record, active in the CMS NPPES registry since April 30, 2021.
## Identity
- **NPI:** 1780267567 (Entity type: Organization)
- **Enumerated:** April 30, 2021
- **Primary specialty:** Radiology - Radiation Oncology · taxonomy 2085R0001X
- **Organization subpart:** No
- **Authorized official:** Todd Mereniuk, OWNER
## Practice location
- **Address:** 504 AZALEA DR DEPT OF, Oxford, MS 38655-5397
- **Phone:** (662) 636-4444
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Radiation Oncology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 7, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1780267567) · Data from the CMS NPPES public registry.