John C. Farmer, M.D.
NPI 1891727640ActiveIndividual· Internal Medicine· Canton, MS
Internal Medicine (M.D.) in Canton, Mississippi, trained at Tufts University School of Medicine (class of 1974). Part D covered 6,892 prescriptions written in 2024, 86% of them generic. Averitas Pharma Inc. was the largest of 3 companies reporting payments in 2025, $62.59 in all, mostly food and beverage.
Overview
| NPI | 1891727640 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 6, 2006 |
| Last updated in NPPES | Dec 10, 2025 |
| Certified by provider | Dec 10, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 16951 | MS |
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 (MS) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 6,892 · 10,587 30-day fills |
|---|---|
| Patients | 421 |
| Total drug cost | $533,954 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 1974 |
| Medicare specialty | Internal Medicine |
Medical group
- G A Carmichael Family Health Center, Inc.Canton, MS · 22 clinicians
Industry payments (Open Payments)
- 2025$62.59 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Averitas Pharma Inc. | $30.16 | 1 |
| Abbott Laboratories | $16.95 | 1 |
| Lilly USA, LLC | $15.48 | 1 |
What the 2025 payments were for
- Food and Beverage$62.59 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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