Coy W. Gammage Jr., M. D.
NPI 1871590711ActiveIndividual· Internal Medicine, Hematology & Oncology· Monroe, LA
Internal Medicine, Hematology & Oncology (M. D.) in Monroe, Louisiana, trained at Louisiana State University School of Medicine in Shreveport (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $2,677,076 for 1,883 claims, against $148,347 paid for services in 2024. Daiichi Sankyo Inc. was the largest of 49 companies reporting payments in 2025, $4,644 in all, mostly food and beverage.
Overview
| NPI | 1871590711 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M. D. |
| Sole proprietor | No |
| NPI issued | Jul 7, 2005 |
| Last updated in NPPES | Oct 13, 2022 |
| Certified by provider | Oct 13, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 021331 | LA |
| Specialist | 174400000X | 021331 | LA |
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 - Hematology/Oncology (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 476 |
|---|---|
| Services billed | 2,944 across 14 procedure codes |
| Paid by Medicare | $148,347 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,883 · 2,405 30-day fills |
|---|---|
| Patients | 314 |
| Total drug cost | $2,677,076 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in Shreveport |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Hematology/Oncology |
Medical group
- St Francis Medical Group LLCMonroe, LA · 179 clinicians
Hospital affiliations
- Fmol Health St FrancisMonroe, LA
- Glenwood Regional Medical CenterWest Monroe, LA
- Monroe Surgical HospitalMonroe, LA
- Morehouse General HospitalBastrop, LA
- Northern Louisiana Medical CenterRuston, LA
Industry payments (Open Payments)
- 2025$4,644 · 209 payments from 49 companies
- 2024$3,362 · 174 payments from 41 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Daiichi Sankyo Inc. | $557.98 | 20 |
| Novartis Pharmaceuticals Corporation | $299.73 | 17 |
| Janssen Biotech, Inc. | $237.56 | 8 |
| Abbvie Inc. | $224.16 | 6 |
| Astrazeneca Pharmaceuticals LP | $213.01 | 11 |
What the 2025 payments were for
- Food and Beverage$4,177 · 204 payments
- Education$466.97 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Hematology & Oncology providers in Louisiana →