William B. Naso, MD
NPI 1811954035ActiveIndividual· Neurological Surgery· Florence, SC
Neurological Surgery (MD) in Florence, South Carolina, trained at University of North Carolina at Chapel Hill School of Medicine (class of 1996). 747 Medicare patients in 2024, $274,456 paid; nearly all of their 61 Part D prescriptions were generic (95%). Exact Sciences Corporation was the largest of 2 companies reporting payments in 2025, $43.94 in all, mostly food and beverage.
Overview
| NPI | 1811954035 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 1, 2006 |
| Last updated in NPPES | Jun 20, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 16247 | SC |
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 - Neurosurgery (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 747 |
|---|---|
| Services billed | 9,840 across 116 procedure codes |
| Paid by Medicare | $274,456 |
Part D prescriptions in 2024
| Prescriptions (claims) | 61 · 69 30-day fills |
|---|---|
| Patients | 36 |
| Total drug cost | $1,804 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | University of North Carolina at Chapel Hill School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Neurosurgery |
Medical group
- McLeod Physician Associates IILittle River, SC · 550 clinicians
Hospital affiliations
- McLeod Health CherawCheraw, SC
- McLeod Loris HospitalLoris, SC
- McLeod Medical Center - DillonDillon, SC
- McLeod Regional Medical Center-Pee DeeFlorence, SC
- Musc Health Florence Medical CenterFlorence, SC
Industry payments (Open Payments)
- 2025$43.94 · 2 payments from 2 companies
- 2024$156.02 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $23.94 | 1 |
| Medtronic, Inc. | $20.00 | 1 |
What the 2025 payments were for
- Food and Beverage$43.94 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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