William Donald Andersen, M.D.
NPI 1518253327ActiveIndividual· Anesthesiology· Winston Salem, NC
Anesthesiology (M.D.) in Winston Salem, North Carolina, trained at University of South Carolina School of Medicine (class of 2011). Medicare paid $23,155 for services to 258 patients in 2024. Merck Sharp & Dohme LLC reported $21.10 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1518253327 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 21, 2011 |
| Last updated in NPPES | Mar 1, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 173601 | NC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Anesthesiology (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 258 |
|---|---|
| Services billed | 306 across 69 procedure codes |
| Paid by Medicare | $23,155 |
Education and affiliations
| Medical school | University of South Carolina School of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Anesthesiology |
Medical group
- Piedmont Triad Anesthesia PAWinston Salem, NC · 38 clinicians
Hospital affiliations
- Novant Health Forsyth Medical CenterWinston-Salem, NC
- Novant Health Medical Park HospitalWinston-Salem, NC
Industry payments (Open Payments)
- 2025$21.10 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $21.10 | 1 |
What the 2025 payments were for
- Food and Beverage$21.10 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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