Mbonu Nnaji Ikezuagu, M.D.
Internal Medicine Physician · Appleton, WI
Mbonu Nnaji Ikezuagu, M.D. is an internal medicine physician with a practice address in Appleton, Wisconsin, and NPI 1871721696, issued on Jul 1, 2009. Check the license (Wisconsin 81640, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mbonu Nnaji Ikezuagu
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 81640 WI
35-099233 OH
Self-reported in NPPES; status is on the state search - Practice location
- 3925 N Gateway Dr, Appleton, WI 54913
- Phone
- (920) 702-6371
- Enumerated
- Jul 1, 2009
- Record last updated
- Sep 4, 2024
- Medicaid ID
- 0067250 OH
- Medicare enrollment
- Enrolled (PECOS I20231116000594); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 3925 N Gateway Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Avery AllardFamily Nurse Practitioner1154057214
- Andrea Aragon, NPFamily Nurse Practitioner1740060797
- Carrie Baum, R.D.Registered Dietitian1154447480
- Emily Beyer, NPFamily Nurse Practitioner1720795313
- Daisy Boehm, N.P.Family Nurse Practitioner1194925479
- Renee BrucknerFamily Nurse Practitioner1295614022
Verify Mbonu Nnaji Ikezuagu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 81640Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Thedacare, IncorporatedAppleton, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mbonu Nnaji Ikezuagu among 2,078 internal medicine physician records in Wisconsin
Mbonu Nnaji Ikezuagu, M.D. is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 63% of them.
- NPI issued2009 · 63% of these records are older, 35% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2008 · median 2002 among the 1,098 with a school on file
- Record last updated2024 · 55% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
39 internal medicine physician records list a practice address in Appleton
They are 39 of the 3,249 NPPES records with a practice address in Appleton, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Appleton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Brandon Bukovitz, MDAppleton, WI 549131831768399
- Arun Cherian, M.DAppleton, WI 549131235478538
- Joan Crennan, MDAppleton, WI 549131679666952
- Stephen Dernlan, MDAppleton, WI 549131083646608
- Sonya Eiben, MDAppleton, WI 549131710916812
- Chenhao Fan, M.D.Appleton, WI 549131831351105
- Scott Gyorog, MDAppleton, WI 549131235346586
- Roderick Hubert, MDAppleton, WI 549131942350947
Common questions
What is Mbonu Nnaji Ikezuagu, M.D.'s NPI number?
Mbonu Nnaji Ikezuagu, M.D.'s National Provider Identifier (NPI) is 1871721696, issued on Jul 1, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mbonu Nnaji Ikezuagu, M.D. located?
The NPPES record lists a practice address at 3925 N Gateway Dr, Appleton, WI, 54913. Phone: (920) 702-6371. Providers update this record themselves, so call before visiting.
How can I verify Mbonu Nnaji Ikezuagu, M.D.'s license?
NPPES lists Wisconsin license number 81640, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.