ONYINYE I IWEALA MD, PHD
NPI 1942520416
Allergy & Immunology in Chapel Hill, NC
About Onyinye I Iweala Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ONYINYE I IWEALA MD, PHD (NPI 1942520416) is an individual allergy & immunology provider in Chapel Hill, North Carolina, licensed in North Carolina (2013-01673) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS, is affiliated with Unc Hospitals, and maintains a secondary practice location in Chapel Hill.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Onyinye I Iweala Md, Phd 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 Onyinye Iweala reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chapel Hill, NC 27514
- Reassigned Medicare billing, North Carolina enrollment
- 2,797 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 2
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Unc Hospitals
Acute Care Hospitals · Chapel Hill, NCFrequently 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 Onyinye Iweala's NPI number?
The NPI number for Onyinye Iweala is 1942520416. It was assigned to this individual provider in the NPPES registry on June 8, 2010.
Where is Onyinye Iweala located?
Onyinye Iweala practices at Unc Allergy And Immunology Clinic 6013 Farrington Road, Suite #200, Chapel Hill, NC 27517. The listed phone number is (984) 974-2645.
What is Onyinye Iweala's specialty?
The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.
Is Onyinye Iweala enrolled in Medicare?
Yes. Onyinye Iweala 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 Onyinye Iweala's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Onyinye Iweala reassigns Medicare benefits to University Of North Carolina At Chapel Hill (Chapel Hill, NC). 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 Onyinye Iweala's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Onyinye Iweala accept?
Health plans from Blue Cross and Blue Shield of NC and UnitedHealthcare list Onyinye Iweala 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 Onyinye Iweala affiliated with any hospitals?
According to CMS data, Onyinye Iweala is affiliated with Unc Hospitals.
When was this NPI record last updated?
The NPPES record for Onyinye Iweala was last updated on August 9, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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.
# Onyinye I Iweala, MD, PHD · NPI 1942520416
Allergy & Immunology physician in Chapel Hill, North Carolina. Individual provider, active in the CMS NPPES registry since June 8, 2010.
## Identity
- **NPI:** 1942520416 (Entity type: Individual)
- **Enumerated:** June 8, 2010
- **Primary specialty:** Allergy & Immunology · taxonomy 207K00000X
- **State license:** 2013-01673 (North Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** UNC ALLERGY AND IMMUNOLOGY CLINIC, 6013 FARRINGTON ROAD, SUITE #200, Chapel Hill, NC 27517
- **Phone:** (984) 974-2645 · **Fax:** (984) 974-2660
## 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:** University Of North Carolina At Chapel Hill (NPI 1780669200, Chapel Hill, NC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 2010
## Record status
- **NPPES last updated:** August 9, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1942520416) · Data from the CMS NPPES public registry.