CHINENYE VIVIAN EZEMBAMALU NP
NPI 1952261174
Nurse Practitioner in Green Bay, WI
About Chinenye Vivian Ezembamalu Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHINENYE VIVIAN EZEMBAMALU NP (NPI 1952261174) is an individual nurse practitioner in Green Bay, Wisconsin, licensed in Wisconsin (17814-33) and active in the NPI registry since November 2025. She is enrolled in Medicare PECOS, is affiliated with St Vincent Hospital, and is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Chinenye Vivian Ezembamalu Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Chinenye Ezembamalu reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Green Bay, WI 54301
- Reassigned Medicare billing, Wisconsin enrollment
- 216 clinicians in this Medicare group
Green Bay, WI 54304
- Reassigned Medicare billing, Wisconsin enrollment
- 742 clinicians in this Medicare group
Sheboygan, WI 53081
- Reassigned Medicare billing, Wisconsin enrollment
- 673 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Vincent Hospital
Acute Care Hospitals · Green Bay, WISt Mary's Hospital Medical Center
Acute Care Hospitals · Green Bay, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54303 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREEN BAY, WI 54303
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Chinenye Ezembamalu's NPI number?
The NPI number for Chinenye Ezembamalu is 1952261174. It was assigned to this individual provider in the NPPES registry on November 12, 2025.
Where is Chinenye Ezembamalu located?
Chinenye Ezembamalu practices at 1860 Shawano Ave, Green Bay, WI 54303. The listed phone number is (920) 496-4700.
What is Chinenye Ezembamalu's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Chinenye Ezembamalu enrolled in Medicare?
Yes. Chinenye Ezembamalu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Chinenye Ezembamalu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chinenye Ezembamalu reassigns Medicare benefits to 3 organizations: St. Clare Memorial Hospital, Inc. (Green Bay, WI), St Vincent Hospital-Hospital Sisters-Third Order Of St Francis (Green Bay, WI) and St. Nicholas Hospital-Sisters Of The Third Order Of St Francis (Sheboygan, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Chinenye Ezembamalu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Chinenye Ezembamalu accept?
Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan, Network Health and Security Health Plan list Chinenye Ezembamalu as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Chinenye Ezembamalu affiliated with any hospitals?
According to CMS data, Chinenye Ezembamalu is affiliated with St Vincent Hospital and St Mary's Hospital Medical Center.
When was this NPI record last updated?
The NPPES record for Chinenye Ezembamalu was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.