DR. ONYEKA ONYINYECHI NWACHUKWU MD
NPI 1841852746
Hospitalist in Elizabeth, NJ
About Dr. Onyeka Onyinyechi Nwachukwu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ONYEKA ONYINYECHI NWACHUKWU MD (NPI 1841852746) is an individual hospitalist provider in Elizabeth, New Jersey, licensed in Kentucky (56197) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS, is affiliated with Jewish Hospital & St Mary's Healthcare, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Onyeka Onyinyechi Nwachukwu Md 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 Reassignment
Medicare enrollment records show Onyeka Nwachukwu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bowling Green, KY 42104
- Reassigned Medicare billing, Kentucky enrollment
- 74 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.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Jewish Hospital & St Mary's Healthcare
Acute Care Hospitals · Louisville, KYFrankfort Regional Medical Center
Acute Care Hospitals · Frankfort, KYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07202 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.
ELIZABETH, NJ 07202
ELIZABETH, NJ 07202
ELIZABETH, NJ 07202
ELIZABETH, NJ 07202
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 Onyeka Nwachukwu's NPI number?
The NPI number for Onyeka Nwachukwu is 1841852746. It was assigned to this individual provider in the NPPES registry on July 1, 2019.
Where is Onyeka Nwachukwu located?
Onyeka Nwachukwu practices at 225 Williamson St, Elizabeth, NJ 07202. The listed phone number is (908) 994-5000.
What is Onyeka Nwachukwu's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Onyeka Nwachukwu enrolled in Medicare?
Yes. Onyeka Nwachukwu 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 organization bills Medicare for Onyeka Nwachukwu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Onyeka Nwachukwu reassigns Medicare benefits to Hospital Medicine Services Of Ky, LLC (Bowling Green, KY). The 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 Onyeka Nwachukwu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Onyeka Nwachukwu affiliated with any hospitals?
According to CMS data, Onyeka Nwachukwu is affiliated with Jewish Hospital & St Mary's Healthcare and Frankfort Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Onyeka Nwachukwu was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days 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.
# Dr. Onyeka Onyinyechi Nwachukwu, MD · NPI 1841852746
Hospitalist physician in Elizabeth, New Jersey. Individual provider, active in the CMS NPPES registry since July 1, 2019.
## Identity
- **NPI:** 1841852746 (Entity type: Individual)
- **Enumerated:** July 1, 2019
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 56197 (Kentucky)
- **Sole proprietor:** No
## Practice location
- **Address:** 225 WILLIAMSON ST, Elizabeth, NJ 07202-3625
- **Phone:** (908) 994-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Hospital Medicine Services Of Ky, LLC (NPI 1215634373, Bowling Green, KY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** September 28, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1841852746) · Data from the CMS NPPES public registry.