Brian David Dewhirst, MD
NPI 1316965338ActiveIndividual· Family Medicine· Johns Island, SC
Family Medicine (MD) in Johns Island, South Carolina, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $402,918 for 2,986 claims, against $148,876 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 9 companies reporting payments in 2025, $288.98 in all, mostly food and beverage.
Overview
| NPI | 1316965338 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 17, 2006 |
| Last updated in NPPES | Jan 27, 2026 |
| Certified by provider | Jan 27, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 21392 | 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 | 362 |
|---|---|
| Services billed | 2,923 across 36 procedure codes |
| Paid by Medicare | $148,876 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,986 · 7,533 30-day fills |
|---|---|
| Patients | 466 |
| Total drug cost | $402,918 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 1998 |
| 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$288.98 · 14 payments from 9 companies
- 2024$661.63 · 33 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $59.24 | 3 |
| Exact Sciences Corporation | $43.38 | 2 |
| Abbott Laboratories | $42.45 | 2 |
| Novo Nordisk Inc | $33.19 | 2 |
| Astellas Pharma US Inc | $27.13 | 1 |
What the 2025 payments were for
- Food and Beverage$288.98 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 20 family medicine physicians in Johns Island · All family medicine physicians in South Carolina