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CLAYTON INTERNAL MEDICINE PC
NPI 1366658833
Clinic/Center - Medical Specialty in Clayton, NC

Active since May 14, 2007CLIA 34D1005814 · Waiver
301 AMOS ST, CLAYTON, NC 27520(919) 550-6336(919) 550-0180 Get Directions Write a Review

NPPES record last updated: January 22, 2013. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Clayton Internal Medicine Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CLAYTON INTERNAL MEDICINE PC (NPI 1366658833) is a healthcare organization registered as a medical specialty in Clayton, North Carolina and active in the NPI registry since May 2007. The organization holds a CLIA Waiver certificate valid through October 30, 2026 and lists Mazen Khusayem, President, as its authorized official.

NPPES Registry Identity

NPI1366658833
Entity TypeOrganization
Primary Taxonomy261QM2500X
Legal Business NameCLAYTON INTERNAL MEDICINE PC
Location Address301 AMOS STClayton, NC 27520-2644
Mailing AddressPo Box 997Clayton, NC 27528-0997 · (919) 550-6336 · Fax (919) 550-0180
Phone(919) 550-6336
Fax(919) 550-0180
Organization SubpartNo
Authorized OfficialMazen KhusayemPresident · (919) 550-6336
Enumeration DateMay 14, 2007
Last NPPES UpdateJanuary 22, 2013
✔ NPI 1366658833 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Medical SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM2500X
License✔ Licensed in NC · 9900898
Definition
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to a specific area of medical specialization. Frequently used for Title V related Children's Specialty services or to meet specific public health needs (e.g., infectious diseases or breast and cervical cancer).
301 AMOS ST, Clayton, NC 27520
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Other Identifiers 3

Medicare UPING10034NC
Medicare ID-Type Unspecified2280894NC
Medicaid89126XVNC

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee.Insurance ›

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 34D1005814

Clayton Internal Medicine · Clayton, NC
Active · expires Oct 30, 2026
CLIA Number34D1005814
Laboratory TypePhysician Office
Certificate Effective DateOctober 31, 2024
Certificate Expiration DateOctober 30, 2026
Laboratory DirectorMazen Khusayem
Laboratory Phone(919) 550-6336
Laboratory LocationClayton Internal Medicine301 Amos Street, Clayton, NC 27520
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MAZEN KHUSAYEM MD
Internal Medicine
301 AMOS ST
CLAYTON, NC 27520
Johnston County (919) 550-6336

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Clayton Internal Medicine PC's NPI number?

The NPI number for Clayton Internal Medicine PC is 1366658833. It was assigned to this organization in the NPPES registry on May 14, 2007.

Where is Clayton Internal Medicine PC located?

Clayton Internal Medicine PC is located at 301 Amos St, Clayton, NC 27520. The listed phone number is (919) 550-6336.

What is Clayton Internal Medicine PC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Medical Specialty, with taxonomy code 261QM2500X.

Does Clayton Internal Medicine PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 34D1005814) is associated with this NPI, valid through October 30, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Clayton Internal Medicine PC accept?

Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina and Ambetter of Tennessee list Clayton Internal Medicine PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Clayton Internal Medicine PC was last updated on January 22, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.