Joseph F. John Jr., M.D.
NPI 1598866592ActiveIndividual· Internal Medicine, Infectious Disease· Charleston, SC
Internal Medicine, Infectious Disease (M.D.) in Charleston, South Carolina, trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (class of 1970). Their prescriptions cost Medicare Part D more than their services did: $283,630 for 218 claims, against $17,939 paid for services in 2024. Viiv Healthcare Company was the largest of 7 companies reporting payments in 2025, $353.19 in all, mostly food and beverage.
Overview
| NPI | 1598866592 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 25, 2006 |
| Last updated in NPPES | Jun 8, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 7155 | 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 - Infectious Disease (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 70 |
|---|---|
| Services billed | 694 across 19 procedure codes |
| Paid by Medicare | $17,939 |
Part D prescriptions in 2024
| Prescriptions (claims) | 218 · 304 30-day fills |
|---|---|
| Patients | 55 |
| Total drug cost | $283,630 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University |
|---|---|
| Graduation year | 1970 |
| Medicare specialty | Infectious Disease |
Medical group
- Lowcountry Infectious Diseases PACharleston, SC · 14 clinicians
Hospital affiliation
- Trident Medical CenterCharleston, SC
Industry payments (Open Payments)
- 2025$353.19 · 16 payments from 7 companies
- 2024$365.14 · 17 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Viiv Healthcare Company | $167.32 | 6 |
| Merck Sharp & Dohme LLC | $58.44 | 3 |
| Paratek Pharmaceuticals, Inc. | $37.24 | 2 |
| Ferring Pharmaceuticals Inc. | $31.21 | 2 |
| Melinta Therapeutics, LLC | $21.49 | 1 |
What the 2025 payments were for
- Food and Beverage$353.19 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 38 infectious disease specialists in Charleston · All infectious disease specialists in South Carolina