Efesomwan Aisien, M.D.
NPI 1972867661ActiveIndividual· Internal Medicine, Gastroenterology· Fort Wayne, IN
Internal Medicine, Gastroenterology (M.D.) with Parkview Health System Inc, practicing in Fort Wayne, Indiana. Their prescriptions cost Medicare Part D more than their services did: $212,159 for 1,050 claims, against $37,107 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 12 companies reporting payments in 2025, $923.95 in all, mostly food and beverage. Lists Parkview Dekalb Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1972867661 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 27, 2012 |
| Last updated in NPPES | May 31, 2023 |
| Certified by provider | May 31, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 01082288A | IN |
| Internal Medicine | 207R00000X | 125061360 | IL |
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 (IL); Practitioner - Gastroenterology (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 247 |
|---|---|
| Services billed | 363 across 22 procedure codes |
| Paid by Medicare | $37,107 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,050 · 2,337 30-day fills |
|---|---|
| Patients | 280 |
| Total drug cost | $212,159 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Parkview Health System IncFort Wayne, IN · 1,377 clinicians
Hospital affiliations
- Parkview Dekalb HospitalAuburn, IN
- Parkview Huntington HospitalHuntington, IN
- Parkview Lagrange HospitalLagrange, IN
- Parkview Regional Medical CenterFort Wayne, IN
- Parkview Whitley HospitalColumbia City, IN
Industry payments (Open Payments)
- 2025$923.95 · 40 payments from 12 companies
- 2024$2,171 · 56 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $419.97 | 15 |
| Takeda Pharmaceuticals U.S.A., Inc. | $102.50 | 4 |
| Janssen Biotech, Inc. | $95.60 | 5 |
| Abbvie Inc. | $73.08 | 4 |
| Regeneron Healthcare Solutions, Inc. | $52.94 | 2 |
What the 2025 payments were for
- Food and Beverage$923.95 · 40 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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