Celestine Chima Emmanuel Ishiekwene, M.D. MBA
NPI 1447505243ActiveIndividual· Internal Medicine, Infectious Disease· Longview, TX
Internal Medicine, Infectious Disease (M.D. MBA) with Christus Trinity Clinic Texas, practicing in Longview, Texas. 453 Medicare patients in 2024, $212,794 paid; nearly all of their 922 Part D prescriptions were generic (90%). Abbvie Inc. reported $23.34 in payments in 2025, mostly food and beverage. Lists Christus Good Shepherd Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1447505243 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. MBA |
| Sole proprietor | No |
| NPI issued | Jul 17, 2012 |
| Last updated in NPPES | Aug 11, 2026 |
| Certified by provider | Aug 11, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | S2995 | TX |
| Hospitalist | 208M00000X | S2995 | TX |
| Internal Medicine, Infectious Disease | 207RI0200X | MD-43908 | IA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 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 | 453 |
|---|---|
| Services billed | 3,172 across 17 procedure codes |
| Paid by Medicare | $212,794 |
Part D prescriptions in 2024
| Prescriptions (claims) | 922 · 940 30-day fills |
|---|---|
| Patients | 192 |
| Total drug cost | $281,255 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Infectious Disease |
| Telehealth | Offers telehealth |
Medical group
- Christus Trinity Clinic TexasTyler, TX · 1,540 clinicians
Hospital affiliations
- Christus Good Shepherd Medical CenterLongview, TX
- Christus Mother Frances HospitalTyler, TX
- Longview Regional Medical CenterLongview, TX
Other facilities
- Longview Continuecare HospitalLong-term care hospital · Longview, TX
Industry payments (Open Payments)
- 2025$23.34 · 1 payment from 1 company
- 2024$47.42 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $23.34 | 1 |
What the 2025 payments were for
- Food and Beverage$23.34 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records