Vanessa A. Diaz, MD
NPI 1104934074ActiveIndividual· Family Medicine· Charleston, SC
Family Medicine (MD) in Charleston, South Carolina, trained at University of Miami, Lm Miller School of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $327,562 for 2,631 claims, against $19,992 paid for services in 2024. Gilead Sciences, Inc. reported $128.65 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1104934074 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 29, 2006 |
| Last updated in NPPES | Oct 8, 2020 |
| Certified by provider | Oct 8, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 23349 | 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 | 68 |
|---|---|
| Services billed | 400 across 31 procedure codes |
| Paid by Medicare | $19,992 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,631 · 5,203 30-day fills |
|---|---|
| Patients | 157 |
| Total drug cost | $327,562 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Miami, Lm Miller School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Family Practice |
| 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$128.65 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $128.65 | 1 |
What the 2025 payments were for
- Food and Beverage$128.65 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 260 family medicine physicians in Charleston · All family medicine physicians in South Carolina