John Vernon Custer, M.D.
NPI 1578679452ActiveIndividual· Specialist· Charleston, SC
Specialist (M.D.) in Charleston, South Carolina, trained at University of Kentucky College of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $785,089 for 3,061 claims, against $19,116 paid for services in 2024. Teva Pharmaceuticals USA, Inc. was the largest of 9 companies reporting payments in 2025, $570.32 in all, mostly food and beverage.
Overview
| NPI | 1578679452 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 22, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 15084 | 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 - Psychiatry (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 76 |
|---|---|
| Services billed | 452 across 12 procedure codes |
| Paid by Medicare | $19,116 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,061 · 3,796 30-day fills |
|---|---|
| Patients | 197 |
| Total drug cost | $785,089 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of Kentucky College of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- South Carolina Dept of Mental Health Accounting OfficeBennettsville, SC · 221 clinicians
Industry payments (Open Payments)
- 2025$570.32 · 28 payments from 9 companies
- 2024$643.60 · 37 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Teva Pharmaceuticals USA, Inc. | $177.25 | 9 |
| E.R. Squibb & Sons, L.L.C. | $117.36 | 5 |
| Abbvie Inc. | $65.43 | 4 |
| Alkermes, Inc. | $57.64 | 3 |
| Noven Therapeutics, LLC | $41.74 | 2 |
What the 2025 payments were for
- Food and Beverage$570.32 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 81 Specialist providers in Charleston · All Specialist providers in South Carolina