John E. McKinnon, MD
Internal Medicine, Infectious Disease (MD) with University Medical Associates of the Medical University of South Carol, practicing in Charleston, South Carolina. Their prescriptions cost Medicare Part D more than their services did: $400,247 for 280 claims, against $22,293 paid for services in 2024. Emd Serono Research & Development Institute, Inc. was the largest of 3 companies reporting payments in 2025, $4,230 in all, mostly consulting fees. Lists Musc Medical Center as a hospital affiliation.
Overview
| NPI | 1891944526 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 18, 2008 |
| Last updated in NPPES | Oct 11, 2022 |
| Certified by provider | Oct 11, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 88710 | SC |
| Internal Medicine, Infectious Disease | 207RI0200X | 4301073806 | MI |
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 (MI); Practitioner - Infectious Disease (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 178 |
|---|---|
| Services billed | 296 across 15 procedure codes |
| Paid by Medicare | $22,293 |
Part D prescriptions in 2024
| Prescriptions (claims) | 280 · 295 30-day fills |
|---|---|
| Patients | 33 |
| Total drug cost | $400,247 |
| Generic share | 60% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- University Medical Associates of the Medical University of South CarolCharleston, SC · 1,668 clinicians
Hospital affiliation
- Musc Medical CenterCharleston, SC
Industry payments (Open Payments)
- 2025$4,230 · 3 payments from 3 companies
- 2024$4,462 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Emd Serono Research & Development Institute, Inc. | $4,125 | 1 |
| Viiv Healthcare Company | $58.99 | 1 |
| Amgen Inc. | $45.71 | 1 |
What the 2025 payments were for
- Consulting Fee$4,125 · 1 payment
- Food and Beverage$104.70 · 2 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