Mark Andrew Hnilica, MD
NPI 1922091339ActiveIndividual· Neurological Surgery· Winston Salem, NC
Neurological Surgery (MD) in Winston Salem, North Carolina, trained at Baylor College of Medicine (class of 1991). 158 Medicare patients in 2024, $101,486 paid; nearly all of their 129 Part D prescriptions were generic (99%). Boston Scientific Corporation was the largest of 3 companies reporting payments in 2025, $414.47 in all, mostly food and beverage.
Overview
| NPI | 1922091339 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 31, 2005 |
| Last updated in NPPES | Jul 5, 2023 |
| Certified by provider | Jul 5, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 9700588 | NC |
| Neurological Surgery | 207T00000X | 35 082797 | OH |
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 - Neurosurgery (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 158 |
|---|---|
| Services billed | 417 across 41 procedure codes |
| Paid by Medicare | $101,486 |
Part D prescriptions in 2024
| Prescriptions (claims) | 129 · 133 30-day fills |
|---|---|
| Patients | 86 |
| Total drug cost | $975.49 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Neurosurgery |
Medical group
- Novant Health Medical Group, LLCWinston Salem, NC · 2,430 clinicians
Hospital affiliations
- Novant Health Forsyth Medical CenterWinston-Salem, NC
- Novant Health Medical Park HospitalWinston-Salem, NC
- Novant Health Thomasville Medical CenterThomasville, NC
Industry payments (Open Payments)
- 2025$414.47 · 5 payments from 3 companies
- 2024$457.44 · 9 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $280.91 | 3 |
| Globus Medical, Inc. | $110.91 | 1 |
| Medtronic, Inc. | $22.65 | 1 |
What the 2025 payments were for
- Food and Beverage$414.47 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 neurosurgeons in Winston Salem · All neurosurgeons in North Carolina