Kwabena Oware Adu-Gyamfi, MD
NPI 1154677391ActiveIndividual· Internal Medicine, Gastroenterology· Green Bay, WI
Internal Medicine, Gastroenterology (MD) with St Vincent Hospital-Hospital Sisters-Third Order of St Francis, practicing in Green Bay, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $283,808 for 483 claims, against $24,706 paid for services in 2024. Janssen Biotech, Inc. was the largest of 6 companies reporting payments in 2025, $1,254 in all, mostly food and beverage. Lists St Marys Hospital Medical Ctr and 1 other hospital as hospital affiliations.
Overview
| NPI | 1154677391 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 25, 2012 |
| Last updated in NPPES | Dec 18, 2024 |
| Certified by provider | Dec 18, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 63234-20 | WI |
| Internal Medicine | 207R00000X | 63234-20 | WI |
| Internal Medicine | 207R00000X | 4301100667 | MI |
| Internal Medicine | 207R00000X | 88509 | GA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (GA); Practitioner - Internal Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 146 |
|---|---|
| Services billed | 232 across 31 procedure codes |
| Paid by Medicare | $24,706 |
Part D prescriptions in 2024
| Prescriptions (claims) | 483 · 574 30-day fills |
|---|---|
| Patients | 325 |
| Total drug cost | $283,808 |
| Generic share | 65% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- St Vincent Hospital-Hospital Sisters-Third Order of St FrancisGreen Bay, WI · 603 clinicians
Hospital affiliations
- St Marys Hospital Medical CtrGreen Bay, WI
- St Vincent HospitalGreen Bay, WI
Industry payments (Open Payments)
- 2025$1,254 · 15 payments from 6 companies
- 2024$1,342 · 19 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $522.24 | 4 |
| Abbvie Inc. | $379.24 | 5 |
| Gilead Sciences, Inc. | $125.00 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $107.18 | 2 |
| Genzyme Corporation | $80.60 | 2 |
What the 2025 payments were for
- Food and Beverage$1,254 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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