DR. TODD MERENIUK M.D./PH.D.
NPI 1477917409
Radiology - Radiation Oncology in Oxford, MS
About Dr. Todd Mereniuk M.d./ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TODD MERENIUK M.D./PH.D. (NPI 1477917409) is an individual radiation oncology provider in Oxford, Mississippi, licensed in Mississippi (28747) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Baptist Memorial Hospital Union County, and maintains a secondary practice location in Newport News.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Todd Mereniuk M.d./ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Todd Mereniuk reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oxford, MS 38655
- Reassigned Medicare billing, Mississippi enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 15
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baptist Memorial Hospital Union County
Acute Care Hospitals · New Albany, MSBaptist Memorial Hospital North Ms
Acute Care Hospitals · Oxford, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 38655 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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's NPI number?
The NPI number for Todd Mereniuk is 1477917409. It was assigned to this individual provider in the NPPES registry on April 6, 2016.
Where is Todd Mereniuk located?
Todd Mereniuk practices at 504 Azalea Dr Dept Of, Oxford, MS 38655. The listed phone number is (662) 636-4300.
What is Todd Mereniuk's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Todd Mereniuk enrolled in Medicare?
Yes. Todd Mereniuk is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Todd Mereniuk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Todd Mereniuk reassigns Medicare benefits to Todd Mereniuk, PLLC (Oxford, MS). 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 Todd Mereniuk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Todd Mereniuk accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 1 other insurer list Todd Mereniuk as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Todd Mereniuk affiliated with any hospitals?
According to CMS data, Todd Mereniuk is affiliated with Baptist Memorial Hospital Union County and Baptist Memorial Hospital North Ms.
When was this NPI record last updated?
The NPPES record for Todd Mereniuk was last updated on May 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.