Mark Wendell Anderson, MD
NPI 1184628844ActiveIndividual· Internal Medicine, Gastroenterology· Rocky Mount, NC
Internal Medicine, Gastroenterology (MD) with Boice-Willis Clinic PA, practicing in Rocky Mount, North Carolina. Their prescriptions cost Medicare Part D more than their services did: $212,850 for 1,031 claims, against $71,371 paid for services in 2024. Braintree Laboratories, Inc. reported $163.62 in payments in 2025, mostly gifts. Lists Unc Health Nash as a hospital affiliation.
Overview
| NPI | 1184628844 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 10, 2005 |
| Last updated in NPPES | Nov 7, 2023 |
| Certified by provider | Nov 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 200400098 | NC |
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 - Gastroenterology (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 413 |
|---|---|
| Services billed | 711 across 44 procedure codes |
| Paid by Medicare | $71,371 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,031 · 1,880 30-day fills |
|---|---|
| Patients | 266 |
| Total drug cost | $212,850 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Boice-Willis Clinic PARocky Mount, NC · 58 clinicians
Hospital affiliation
- Unc Health NashRocky Mount, NC
Industry payments (Open Payments)
- 2025$163.62 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Braintree Laboratories, Inc. | $163.62 | 2 |
What the 2025 payments were for
- Gift$163.62 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gastroenterologists in Rocky Mount
- 1306830187