Quick answers
- Which hospitals does Mark W. Clarkson work at?
- Medicare's official clinician data lists Mark W. Clarkson at 1 hospital: Rex Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark W. Clarkson see patients?
- Medicare's clinician data lists 2 practice locations, including Cary, NC and Raleigh, NC. Call before your visit to confirm the address.
- What is Mark W. Clarkson's specialty?
- Medicare lists Otolaryngology as the primary specialty.
- Does Mark W. Clarkson accept Medicare assignment?
- Yes. Medicare's clinician data says Mark W. Clarkson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Mark W. Clarkson?
- (919) 367-9774, as listed in official Medicare / NPI Registry data.
- What is Mark W. Clarkson's NPI number?
- 1316922412. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark W. Clarkson works
Medicare's Facility Affiliation Data lists Mark W. Clarkson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Rex HospitalRaleigh, NC · Acute Care Hospital · CCN 340114
Practice locations
Addresses where Mark W. Clarkson is enrolled with Medicare (CMS data updated 2026-10-02).
- 1505 SW Cary Parkway, Suite 301Cary, NC 27511 (919) 367‑9774
- 3010 Anderson DrRaleigh, NC 27609 (919) 787‑7171
Group practices
Medicare enrollment lists Mark W. Clarkson as a member of this group (CMS data updated 2026-10-02).
- Raleigh Capitol Ear Nose and Throat29 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Cary
Clinicians with the same Medicare primary specialty in Cary, NC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Ohio State University College Of Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316922412 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians