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Obstetrics/Gynecology

Ngozi N. Mbah, MD

Works at hospitals in Green Bay, WI · Wisconsin

Summary

Dr. Ngozi N. Mbah, MD is an OB-GYN at 2020 S Webster Ave, Accounting, Green Bay, WI 54301. Phone: (920) 338-6868. Accepts Medicare assignment. In 2024, Ngozi N. Mbah had 19 Original Medicare patients and 50 services. NPI 1861606451. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 2020 S Webster Ave, Accounting, Green Bay, WI 54301 · Directions (6 more locations)
  • Phone: (920) 338‑6868
  • Medicare: Accepts Medicare assignment
  • Hospital: Bellin Memorial Hospital
  • Group practice: Bellin Memorial Hospital Inc (+1 more)
  • Medical school: graduated 1994 (32 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Ngozi N. Mbah, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Ngozi N. Mbah accept Medicare assignment?
Yes. Medicare's clinician data says Ngozi N. Mbah accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Ngozi N. Mbah see?
In 2024, CMS data shows 19 Original Medicare patients and 50 services for Ngozi N. Mbah. This counts Original Medicare only and measures volume, not quality.
What is Ngozi N. Mbah's NPI number?
1861606451. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Ngozi N. Mbah, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients19
Services billed to Medicare50
Different services or procedures26
Participating Medicare providerYes
Average age of these patients58

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • Anxiety74%

Hospitals where Ngozi N. Mbah works

Medicare's Facility Affiliation Data lists Ngozi N. Mbah at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Ngozi N. Mbah is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Ngozi N. Mbah as a member of these groups (CMS data updated October 2, 2026).

  • Bellin Memorial Hospital Inc697 clinicians in the group
  • Oconto Hospital and Medical Center Inc222 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Wisconsin →

Other OB-GYNs in Green Bay

Clinicians with the same Medicare primary specialty in Green Bay, WI — not a recommendation.

All OB-GYNs in Green Bay →

Other clinicians in Bellin Memorial Hospital Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1994 (32 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1861606451
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians