Quick answers
- Which hospitals does Mark H. Knelson work at?
- Medicare's official clinician data lists Mark H. Knelson at 5 hospitals: Duke Regional Hospital, Duke University Hospital, ECU Health Medical Center, Scotland Memorial Hospital and Vidant Duplin Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark H. Knelson see patients?
- Medicare's clinician data lists 3 practice locations, including Greenville, NC, Durham, NC and Laurinburg, NC. Call before your visit to confirm the address.
- What is Mark H. Knelson's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Mark H. Knelson accept Medicare assignment?
- Yes. Medicare's clinician data says Mark H. Knelson 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 H. Knelson?
- (252) 752-5000, as listed in official Medicare / NPI Registry data.
- What is Mark H. Knelson's NPI number?
- 1750307559. 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 H. Knelson works
Medicare's Facility Affiliation Data lists Mark H. Knelson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Duke Regional HospitalDurham, NC · Acute Care Hospital · CCN 340155
- Duke University HospitalDurham, NC · Acute Care Hospital · CCN 340030
- ECU Health Medical CenterGreenville, NC · Acute Care Hospital · CCN 340040
- Scotland Memorial HospitalLaurinburg, NC · Acute Care Hospital · CCN 340008
- Vidant Duplin HospitalKenansville, NC · Acute Care Hospital · CCN 340120
Practice locations
Addresses where Mark H. Knelson is enrolled with Medicare (CMS data updated 2026-10-02).
- 2101 W Arlington Blvd, Suite 210Greenville, NC 27834 (252) 752‑5000
- 3643 N Roxboro RdDurham, NC 27704 (919) 471‑4840
- 500 Lauchwood DrLaurinburg, NC 28352 (910) 610‑4172
Group practices
Medicare enrollment lists Mark H. Knelson as a member of these groups (CMS data updated 2026-10-02).
- Scotland Memorial Hospital, Inc259 clinicians in the group
- Eastern Radiologists Inc95 clinicians in the group
- Durham Radiology Associates Inc21 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Greenville
Clinicians with the same Medicare primary specialty in Greenville, NC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of North Carolina At Chapel Hill School Of Medicine |
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1750307559 |
| 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