Todd Mereniuk, M.D./PH.D.
Radiation Oncology Physician · Oxford, MS
Todd Mereniuk, M.D./PH.D. is a radiation oncology physician with a practice address in Oxford, Mississippi, and NPI 1477917409, issued on Apr 6, 2016. Check the license (Mississippi 28747, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Todd Mereniuk
- Credential
- M.D./PH.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 28747 MS
Self-reported in NPPES; status is on the state search - Practice location
- 504 Azalea Dr Dept OF, Oxford, MS 38655
- Phone
- (662) 636-4300
- Enumerated
- Apr 6, 2016
- Record last updated
- May 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210609002412); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 41 in Mississippi → Look up another NPI →
Verify Todd Mereniuk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 28747Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% more Medicare Part D claims than the average radiation oncology physician in 2024
221 Medicare Part D claims for 90 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 15 claims were for opioids.
Most prescribed
- Tamsulosin Hcl48 claims
- Oxybutynin Chloride27 claims
- Memantine Hcl23 claims
- Dexamethasone22 claims
- Lidocaine Hcl Viscous20 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $56.00
4 payments; by number, the most common kind was food and beverage; the largest payer was Mirati Therapeutics, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Todd Mereniuk among 41 radiation oncology physician records in Mississippi
Todd Mereniuk, M.D./PH.D. is one of 41 radiation oncology physician records with a practice address in Mississippi. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 85% of them.
- NPI issued2016 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2016 · median 2000 among the 27 with a school on file
- Record last updated2021 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Mississippi
There are 41 radiation oncology physician records in Mississippi.
All 41 in Mississippi → Every provider in Oxford → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- John Cantrell, M.D.Oxford, MS 386551588699839
- Omar Ghandour, MDSouthaven, MS 386711255323663
- Gregg Dickerson, M.D.Greenville, MS 387031699777854
- Elbert Duncan, M.D.Tupelo, MS 388011720020795
- William Reed, M.D.Tupelo, MS 388011235171091
- Paul Roberts, MDTupelo, MS 388011902392939
- Micah Monaghan, M.DCorinth, MS 388341477763365
- Ralph Smith, M.D.Greenwood, MS 389301154424133
Common questions
What is Todd Mereniuk, M.D./PH.D.'s NPI number?
Todd Mereniuk, M.D./PH.D.'s National Provider Identifier (NPI) is 1477917409, issued on Apr 6, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Todd Mereniuk, M.D./PH.D. located?
The NPPES record lists a practice address at 504 Azalea Dr Dept OF, Oxford, MS, 38655. Phone: (662) 636-4300. Providers update this record themselves, so call before visiting.
How can I verify Todd Mereniuk, M.D./PH.D.'s license?
NPPES lists Mississippi license number 28747, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Todd Mereniuk, M.D./PH.D. prescribe under Medicare Part D?
In 2024, Todd Mereniuk, M.D./PH.D. had 221 Medicare Part D claims for 90 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
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.