Charles Chibundu Mbonu, MD
NPI 1033187299ActiveIndividual· Internal Medicine, Infectious Disease· Texarkana, TX
Internal Medicine, Infectious Disease (MD) with Integrated Infectious Diseases, PLLC, practicing in Texarkana, Texas. Mostly services rather than prescriptions: Medicare paid $172,099 for 223 patients in 2024, with only 26 Part D claims. Shionogi Inc was the largest of 6 companies reporting payments in 2025, $312.61 in all, mostly food and beverage. Lists Christus St Michael Health System as a hospital affiliation.
Overview
| NPI | 1033187299 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 14, 2006 |
| Last updated in NPPES | Aug 26, 2026 |
| Certified by provider | Aug 26, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | N3171 | TX |
| Internal Medicine | 207R00000X | N3171 | TX |
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 - Infectious Disease (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 223 |
|---|---|
| Services billed | 100,972 across 14 procedure codes |
| Paid by Medicare | $172,099 |
Part D prescriptions in 2024
| Prescriptions (claims) | 26 · 26 30-day fills |
|---|---|
| Total drug cost | $7,950 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
Medical group
- Integrated Infectious Diseases, PLLCTexarkana, TX · 2 clinicians
Hospital affiliation
- Christus St Michael Health SystemTexarkana, TX
Industry payments (Open Payments)
- 2025$312.61 · 14 payments from 6 companies
- 2024$158.07 · 8 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Shionogi Inc | $88.92 | 4 |
| Merck Sharp & Dohme LLC | $68.46 | 3 |
| Paratek Pharmaceuticals, Inc. | $64.28 | 3 |
| Abbvie Inc. | $38.66 | 2 |
| Coherus Oncology, Inc. | $37.26 | 1 |
What the 2025 payments were for
- Food and Beverage$312.61 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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