Nzube Ekpunobi, M.D.
Internal Medicine Physician · Madison, WI
Nzube Ekpunobi, M.D. is an internal medicine physician with a practice address in Madison, Wisconsin, and NPI 1225603681, issued on May 26, 2021. Check the license (Wisconsin 84243-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Nzube Ekpunobi
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 84243-20 WI
4351048640 MI
Self-reported in NPPES; status is on the state search - Practice location
- 752 N High Point RD, Madison, WI 53717
- Phone
- (608) 824-4000
- Enumerated
- May 26, 2021
- Record last updated
- Nov 22, 2024
- Fax
- (608) 824-4104
- Medicaid ID
- 1225603681 WI
- Medicare enrollment
- Enrolled (PECOS I20241017001236); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 752 N High Point RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carleen Acker, PA-CPhysician Assistant1447514773
- Justin Amarnani, M.DFamily Medicine Physician1164866059
- Clifford Anderson, MDInternal Medicine Physician1487691788
- Sara Anderson-Kim, APNPNurse Practitioner1902057052
- Conrad Andringa, MDPediatrics Physician1528002581
- Timothy Baardseth, PH.D.Psychologist1104169218
Verify Nzube Ekpunobi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 84243-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
67 Medicare Part D claims for 34 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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: $106.75
2 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. 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
- Dean Health Systems IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nzube Ekpunobi among 2,078 internal medicine physician records in Wisconsin
Nzube Ekpunobi, 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 2021, is newer than 86% of them.
- NPI issued2021 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2021 · 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).
417 internal medicine physician records list a practice address in Madison
They are 417 of the 15,014 NPPES records with a practice address in Madison, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Madison → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lorna Belsky, MDMadison, WI 537171912974536
- John Blanchard, MDMadison, WI 537171982671517
- Shobhina Chheda, MDMadison, WI 537171538136213
- Daniela Constantinescu, MDMadison, WI 537171033103940
- David Feldstein, MDMadison, WI 537171396712444
- James Haine, MDMadison, WI 537171629063110
- Peter Idsvoog, MDMadison, WI 537171407822448
- Kristin Lewicki, MDMadison, WI 537171285695106
Common questions
What is Nzube Ekpunobi, M.D.'s NPI number?
Nzube Ekpunobi, M.D.'s National Provider Identifier (NPI) is 1225603681, issued on May 26, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Nzube Ekpunobi, M.D. located?
The NPPES record lists a practice address at 752 N High Point RD, Madison, WI, 53717. Phone: (608) 824-4000. Providers update this record themselves, so call before visiting.
How can I verify Nzube Ekpunobi, M.D.'s license?
NPPES lists Wisconsin license number 84243-20, 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.
How much does Nzube Ekpunobi, M.D. prescribe under Medicare Part D?
In 2024, Nzube Ekpunobi, M.D. had 67 Medicare Part D claims for 34 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.