Onyinye I Iweala, MD, PHD

Allergy & Immunology

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.

(984) 974-2645Chapel Hill, NC
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

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).

1 of 18 Allergy & Immunology providers in NCSee all Allergy & Immunology in Chapel Hill16+ years experienceNPI since 2010

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

Fax: (984) 974-2660
CMS Clinical Data

How Does This Doctor Compare?

Generic Rx

↑ Higher = better

66.5%

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 volume

Prescription 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.

Patient Condition Panel

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.

Asthma
Higher than avg (+43%)56%

A condition causing airway inflammation, wheezing, and difficulty breathing

US avg: 13.3%

↑ More patients than average (+43%) — a focus area for this doctor

Hypertension
Lower than avg (-19%)51%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↓ Fewer patients than average (-19%) — less common here

High Cholesterol
Lower than avg (-21%)49%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↓ Fewer patients than average (-21%) — less common here

Arthritis
49%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%
Anxiety Disorders
Higher than avg (+13%)47%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

↑ More patients than average (+13%) — a focus area for this doctor

Mood Disorders
39%

Conditions affecting emotional state, including depression and bipolar disorder

Depression
32%

A mood disorder causing persistent sadness and loss of interest in activities

US avg: 31.8%
GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

Industry Payment Transparency

$105 received from industry

1 transaction reported in 2024 ·Low tier

View on CMS Open Payments →

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.

Career Journey
  1. Graduated medical school · 2010

    Harvard Medical School

  2. 16 years in practice

    Experienced

Allergy & ImmunologyAllopathic & Osteopathic Physicians

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)

Practice Footprint

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.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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