Onyinye I Iweala, MD, PHD
Onyinye I Iweala is an Allergy & Immunology specialist based in Chapel Hill, NC with over 16 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Onyinye I Iweala, MD, PHD has been part of the Chapel Hill medical community since 2010 in group practice. Trained at Harvard Medical School (class of 2010), she has been practicing for over 16 years. Among her Medicare patients, common conditions include asthma, hypertension, and high cholesterol (per CMS data).
Older · 2844dNPPES updated 2018-08-09 · verify NPI on CMS · Verify license at North Carolina Medical Board
Contact & Location
Practice Location
Unc Allergy and Immunology Clinic 6013 Farrington Road, Suite #200, Chapel Hill, NC 27517
How Does This Doctor Compare?
Generic Rx
↑ Higher = better66.5%
North Carolina avg: 83.1 · US avg: 82.8
⚠ Lower than most doctors nationally(-16.3 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
57
Unique beneficiaries
Standard volumePrescription Recipients
48
Patients prescribed
Prescriptions Written
451
Total claims
Total Medicare drug cost: $409k
Percentile rankings compared against 1,349 reporting peers in North Carolina.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Asthma, Hypertension, and High Cholesterol.
A condition causing airway inflammation, wheezing, and difficulty breathing
US avg: 13.3%↑ More patients than average (+43%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-19%) — less common here
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-21%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%Excessive worry or fear that interferes with daily life
US avg: 34.1%↑ More patients than average (+13%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$105 received from industry
1 transaction reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Onyinye I Iweala's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2010
Harvard Medical School
16 years in practice
Experienced
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Taxonomy: 207K00000X
Education & Training
Harvard Medical School (Class of 2010)
Mailing address
Unc Chapel Hill Hospitals Division of Rheum/All/Immunol 3300 Thurston Building, Cb #7280, Chapel Hill, NC 27599-7280
Differs from practice location
Virtual Allergy & Immunology Care With Onyinye I Iweala
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Onyinye I Iweala for asthma reviews, blood pressure monitoring, cholesterol management — no travel to Chapel Hill required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Onyinye I Iweala
NPI records show Dr. Iweala as active with telehealth listed in Chapel Hill, NC. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (984) 974-2645.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Onyinye I Iweala
Practice Location
Unc Allergy and Immunology Clinic 6013 Farrington Road, Suite #200, Chapel Hill, NC 27517
Mailing Address
Unc Chapel Hill Hospitals Division of Rheum/All/Immunol 3300 Thurston Building, Cb #7280, Chapel Hill, NC 27599-7280
This is a provider directory. Contact the office directly to schedule appointments.
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