Mark W. Clarkson, M.D.
NPI 1316922412ActiveIndividual· Otolaryngology· Raleigh, NC
Otolaryngology (M.D.) in Raleigh, North Carolina, trained at Ohio State University College of Medicine (class of 1996). 535 Medicare patients in 2024, $57,015 paid; nearly all of their 483 Part D prescriptions were generic (96%). Glaxosmithkline, LLC. was the largest of 5 companies reporting payments in 2025, $282.04 in all, mostly food and beverage.
Overview
| NPI | 1316922412 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 12, 2005 |
| Last updated in NPPES | Oct 16, 2024 |
| Certified by provider | Jul 2, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | 9600488 | 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 - Otolaryngology (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 535 |
|---|---|
| Services billed | 1,344 across 45 procedure codes |
| Paid by Medicare | $57,015 |
Part D prescriptions in 2024
| Prescriptions (claims) | 483 · 686 30-day fills |
|---|---|
| Patients | 252 |
| Total drug cost | $10,143 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Otolaryngology |
Medical group
- Raleigh Capitol Ear Nose and ThroatRaleigh, NC · 29 clinicians
Hospital affiliation
- Rex HospitalRaleigh, NC
Industry payments (Open Payments)
- 2025$282.04 · 6 payments from 5 companies
- 2024$338.73 · 8 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $128.31 | 2 |
| Integra Lifesciences Corporation | $79.71 | 1 |
| Amgen Inc. | $34.00 | 1 |
| Csl Behring | $22.88 | 1 |
| Stryker Corporation | $17.14 | 1 |
What the 2025 payments were for
- Food and Beverage$248.04 · 5 payments
- Education$34.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 60 otolaryngologists in Raleigh · All otolaryngologists in North Carolina