Onyema Eberechukwu Ogbuagu, MD
NPI 1073771804ActiveIndividual· Internal Medicine, Infectious Disease· New Haven, CT
Internal Medicine, Infectious Disease (MD) with Yale University, practicing in New Haven, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $190,197 for 127 claims, against $26,615 paid for services in 2024. Gilead Sciences, Inc. was the largest of 3 companies reporting payments in 2025, $64,694 in all, mostly consulting fees. Lists Yale-New Haven Hospital as a hospital affiliation.
Overview
| NPI | 1073771804 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 29, 2008 |
| Last updated in NPPES | Mar 19, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 049514 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 74 |
|---|---|
| Services billed | 285 across 11 procedure codes |
| Paid by Medicare | $26,615 |
Part D prescriptions in 2024
| Prescriptions (claims) | 127 · 200 30-day fills |
|---|---|
| Patients | 16 |
| Total drug cost | $190,197 |
| Generic share | 54% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Infectious Disease |
Medical group
- Yale UniversityNew Haven, CT · 2,645 clinicians
Hospital affiliation
- Yale-New Haven HospitalNew Haven, CT
Industry payments (Open Payments)
- 2025$64,694 · 52 payments from 3 companies
- 2024$73,543 · 50 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $42,384 | 30 |
| Viiv Healthcare Company | $15,002 | 19 |
| Pfizer Inc. | $7,308 | 3 |
What the 2025 payments were for
- Consulting Fee$44,453 · 10 payments
- Travel and Lodging$18,708 · 14 payments
- Food and Beverage$1,224 · 27 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$307.77 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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