Ngozi Nwamaka Mbah, M.D.
Obstetrics & Gynecology Physician · Green Bay, WI
Ngozi Nwamaka Mbah, M.D. is an obstetrics & gynecology physician with a practice address in Green Bay, Wisconsin, and NPI 1861606451, issued on May 10, 2007. Check the license (Wisconsin MT189119, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Ngozi Nwamaka Mbah
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- MT189119 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2641 Development Drive, Green Bay, WI 54311
- Phone
- (920) 338-6868
- Enumerated
- May 10, 2007
- Record last updated
- Jan 31, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (920) 338-6859
- Medicare enrollment
- Enrolled (PECOS I20101028000700); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 796 in Wisconsin → Look up another NPI →
Also registered at 2641 Development Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Linda Haen, FNPCNurse Practitioner1013086271
- Randi Mann, NPNurse Practitioner1427016609
- Michael O'Toole, MDObstetrics & Gynecology Physician1033167077
Verify Ngozi Nwamaka Mbah in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license MT189119Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
104 Medicare Part D claims for 32 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Estradiol22 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: $173.64
2 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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 2 group practices
- Bellin Memorial Hospital IncGreen Bay, WI
- Oconto Hospital And Medical Center IncMarinette, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ngozi Nwamaka Mbah among 796 obstetrics & gynecology physician records in Wisconsin
Ngozi Nwamaka Mbah, M.D. is one of 796 obstetrics & gynecology physician records with a practice address in Wisconsin. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 53% of them.
- NPI issued2007 · 53% of these records are older, 40% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1994 · median 2007 among the 478 with a school on file
- Record last updated2014 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Wisconsin
There are 796 obstetrics & gynecology physician records in Wisconsin.
All 796 in Wisconsin → Every provider in Green Bay → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Rachael Baird, MDGreen Bay, WI 543111538620885
- Jenny ChristlGreen Bay, WI 543111669934063
- Samantha Haefner, MDGreen Bay, WI 543111073189338
- Peter Johnson, MDGreen Bay, WI 543111306953831
- Michael O'Toole, MDGreen Bay, WI 543111033167077
- Jory Ough, M.D.Green Bay, WI 543111457518532
- Constance PantonGreen Bay, WI 543111255919916
- Megan Temp, M.D.Green Bay, WI 543111063429421
Common questions
What is Ngozi Nwamaka Mbah, M.D.'s NPI number?
Ngozi Nwamaka Mbah, M.D.'s National Provider Identifier (NPI) is 1861606451, issued on May 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ngozi Nwamaka Mbah, M.D. located?
The NPPES record lists a practice address at 2641 Development Drive, Green Bay, WI, 54311. Phone: (920) 338-6868. Providers update this record themselves, so call before visiting.
How can I verify Ngozi Nwamaka Mbah, M.D.'s license?
NPPES lists Wisconsin license number MT189119, 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 Ngozi Nwamaka Mbah, M.D. prescribe under Medicare Part D?
In 2024, Ngozi Nwamaka Mbah, M.D. had 104 Medicare Part D claims for 32 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.