Clayton Internal Medicine PC
NPI 1366658833 · Medical Specialty Clinic/Center · Clayton, NC
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clayton Internal Medicine PC is a Medical Specialty Clinic/Center organization in Clayton, NC (NPI 1366658833).
Provider details
- NPI number
- 1366658833
- Entity type
- Organization
- Primary specialty
- Medical Specialty Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Mazen Khusayem, President(919) 550-6336
- License
- 9900898 (NC)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-14
- Last updated
- 2013-01-22
Frequently asked questions
- What is Clayton Internal Medicine PC's NPI number?
- Clayton Internal Medicine PC's National Provider Identifier (NPI) is 1366658833, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Clayton Internal Medicine PC?
- Clayton Internal Medicine PC is classified in the NPPES registry as Medical Specialty Clinic/Center (Ambulatory Health Care Facilities).
- Where is Clayton Internal Medicine PC located?
- Clayton Internal Medicine PC's practice location on file with NPPES is 301 Amos St, Clayton, NC 27520-2644.
- What is Clayton Internal Medicine PC's phone number?
- The practice phone number listed in the NPPES registry for Clayton Internal Medicine PC is (919) 550-6336.
- Does Clayton Internal Medicine PC accept Medicare?
- Clayton Internal Medicine PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Clayton Internal Medicine PC?
- The authorized official listed on Clayton Internal Medicine PC's NPPES record is Mazen Khusayem, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Clayton Internal Medicine PC's NPI active?
- Yes — Clayton Internal Medicine PC's NPI (1366658833) is active in the NPPES registry as of the last update on 2013-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.