Johnny Clayton Weeks, M.D.
NPI 1477685949ActiveIndividual· Family Medicine· N Charleston, SC
Family Medicine (M.D.) in N Charleston, South Carolina, trained at University of North Carolina at Chapel Hill School of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $404,203 for 3,975 claims, against $56,064 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 15 companies reporting payments in 2025, $818.43 in all, mostly food and beverage.
Overview
| NPI | 1477685949 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 11, 2007 |
| Last updated in NPPES | Aug 12, 2026 |
| Certified by provider | Aug 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 16744 | SC |
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 - Family Practice (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 181 |
|---|---|
| Services billed | 802 across 31 procedure codes |
| Paid by Medicare | $56,064 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,975 · 9,547 30-day fills |
|---|---|
| Patients | 327 |
| Total drug cost | $404,203 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of North Carolina at Chapel Hill School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Roper Saint Francis Physicians NetworkN Charleston, SC · 528 clinicians
Hospital affiliations
- Bon Secours-St Francis Xavier HospitalCharleston, SC
- Mount Pleasant HospitalMount Pleasant, SC
- Roper HospitalCharleston, SC
- Roper St Francis Hospital-Berkeley IncSummerville, SC
- Trident Medical CenterCharleston, SC
Other facilities
- Roper-St. Francis Home HealthHome health agency · Charleston, SC
Industry payments (Open Payments)
- 2025$818.43 · 43 payments from 15 companies
- 2024$1,121 · 54 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $162.05 | 12 |
| Novo Nordisk Inc | $153.09 | 7 |
| Lilly USA, LLC | $95.14 | 5 |
| Glaxosmithkline, LLC. | $83.80 | 4 |
| Pfizer Inc. | $69.85 | 3 |
What the 2025 payments were for
- Food and Beverage$818.43 · 43 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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