Griffin G. Farrish, MD
NPI 1801423025ActiveIndividual· Internal Medicine· Covington, LA
Internal Medicine (MD) in Covington, Louisiana, trained at Louisiana State University School of Medicine in New Orleans (class of 2020). 292 Medicare patients in 2024, $50,955 paid; nearly all of their 630 Part D prescriptions were generic (91%). Pfizer Inc. was the largest of 2 companies reporting payments in 2025, $105.29 in all, mostly food and beverage.
Overview
| NPI | 1801423025 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 26, 2020 |
| Last updated in NPPES | Aug 16, 2023 |
| Certified by provider | Aug 16, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 335721 | LA |
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 - Internal Medicine (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 292 |
|---|---|
| Services billed | 543 across 7 procedure codes |
| Paid by Medicare | $50,955 |
Part D prescriptions in 2024
| Prescriptions (claims) | 630 · 1,030 30-day fills |
|---|---|
| Patients | 160 |
| Total drug cost | $23,105 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in New Orleans |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Internal Medicine |
Medical group
- St Tammany Parish Hospital Service District No 1Covington, LA · 166 clinicians
Hospital affiliations
- Ochsner Medical Center - Baton RougeBaton Rouge, LA
- Ochsner Medical Center AcuteNew Orleans, LA
- Our Lady of the Angels HospitalBogalusa, LA
- Riverside Medical CenterFranklinton, LA
- St Tammany Parish HospitalCovington, LA
Industry payments (Open Payments)
- 2025$105.29 · 5 payments from 2 companies
- 2024$424.24 · 20 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $73.13 | 4 |
| Medtronic, Inc. | $32.16 | 1 |
What the 2025 payments were for
- Food and Beverage$105.29 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 85 internal medicine physicians in Covington · All internal medicine physicians in Louisiana