Dr. Marc Kouyoumdjian MD
About this NPIWhat this record shows.
NPI 1629136999 is registered to Dr. Marc Kouyoumdjian MD, a Orthopaedic Surgery practising at 12255 Fair Lakes Pkwy, Kaiser Permanente Fair Oaks Medical Center in Fairfax, Virginia. Orthopaedic Surgery is a medical specialty focused on injuries and disorders of the musculoskeletal system, including bones, joints, ligaments, tendons, and muscles. Dr. Marc Kouyoumdjian MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
Medicare enrollment
This provider holds 3 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20100316000943Orthopedic SurgeryDC
- I20250602000126Orthopedic SurgeryMD
- I20250605003127Orthopedic SurgeryVA
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. Marc Kouyoumdjian MD accepts. To confirm in-network status with your specific health plan, contact Dr. Marc Kouyoumdjian MD directly at (703) 934-5700.
Frequently asked
Yes. NPI 1629136999 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Orthopaedic Surgery is a medical specialty focused on injuries and disorders of the musculoskeletal system, including bones, joints, ligaments, tendons, and muscles.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (703) 934-5700.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. Marc Kouyoumdjian MD is a Type-1 individual NPI.