Nnenna Michelle Onwumere, MD
Internal Medicine Physician · Pakersburg, WV
Nnenna Michelle Onwumere, MD is an internal medicine physician with a practice address in Pakersburg, West Virginia, and NPI 1255952016, issued on May 4, 2020. Check the license on the West Virginia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Nnenna Michelle Onwumere
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 324979 NY
Self-reported in NPPES; status is on the state search - Practice location
- 800 Garfield Ave, Pakersburg, WV 26101
- Phone
- (304) 424-4575
- Enumerated
- May 4, 2020
- Record last updated
- Jul 21, 2023
- Fax
- (304) 424-4577
- Medicare enrollment
- Enrolled (PECOS I20230802003136); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 754 in West Virginia → Look up another NPI →
Verify Nnenna Michelle Onwumere in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWest Virginia Board of MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
301 Medicare Part D claims for 160 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Cefdinir40 claims
- Prednisone24 claims
- Doxycycline Hyclate20 claims
- Amlodipine Besylate13 claims
- Hydralazine Hcl13 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: $228.14
11 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through one group practice
- Apogee Medical Group, New York, PCWatertown, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nnenna Michelle Onwumere among 754 internal medicine physician records in West Virginia
Nnenna Michelle Onwumere, MD is one of 754 internal medicine physician records with a practice address in West Virginia. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 82% of them.
- NPI issued2020 · 82% of these records are older, 13% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2011 · median 2010 among the 487 with a school on file
- Record last updated2023 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a West Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in West Virginia
There are 754 internal medicine physician records in West Virginia.
All 754 in West Virginia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Joan Allman, D.O.Parkersburg, WV 261011457313850
- Orton Armstrong, M.D.Parkersburg, WV 261011871550947
- Jennifer Auxier, D.O.Parkersburg, WV 261011821387929
- Michael Cheshire, D.O.Parkersburg, WV 261011215218771
- Joseph Cihlar, D.O.Parkersburg, WV 261011871926246
- Abiy Kelil, M.D.Parkersburg, WV 261011295935096
- Bairava Kuppuswamy, M.D.Parkersburg, WV 261011205934023
- Jeffrey Murillo, D.O.Parkersburg, WV 261011538484472
Common questions
What is Nnenna Michelle Onwumere, MD's NPI number?
Nnenna Michelle Onwumere, MD's National Provider Identifier (NPI) is 1255952016, issued on May 4, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Nnenna Michelle Onwumere, MD located?
The NPPES record lists a practice address at 800 Garfield Ave, Pakersburg, WV, 26101. Phone: (304) 424-4575. Providers update this record themselves, so call before visiting.
How can I verify Nnenna Michelle Onwumere, MD's license?
Search the West Virginia Board of Medicine at https://wvbom.wv.gov/public/search/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nnenna Michelle Onwumere, MD prescribe under Medicare Part D?
In 2024, Nnenna Michelle Onwumere, MD had 301 Medicare Part D claims for 160 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.