John Charles Ellyn, MD
NPI 1952394330ActiveIndividual· Specialist· Charleston, SC
Specialist (MD) in Charleston, South Carolina, trained at George Washington University School of Medicine (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $95,707 for 814 claims, against $48,531 paid for services in 2024.
Overview
| NPI | 1952394330 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 31, 2005 |
| Last updated in NPPES | Sep 26, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 11024 | 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 - Ophthalmology (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 374 |
|---|---|
| Services billed | 892 across 13 procedure codes |
| Paid by Medicare | $48,531 |
Part D prescriptions in 2024
| Prescriptions (claims) | 814 · 1,843 30-day fills |
|---|---|
| Patients | 220 |
| Total drug cost | $95,707 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Ophthalmology |
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All 81 Specialist providers in Charleston · All Specialist providers in South Carolina