DR. MEJDI NAJJAR MD
NPI 1083111801
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in Washington, DC
About Dr. Mejdi Najjar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MEJDI NAJJAR MD (NPI 1083111801) is an individual neurology with special qualifications in child neurology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD210011564) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Mejdi Najjar Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Mejdi Najjar reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 1,417 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 3,530 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20010 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
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 Mejdi Najjar's NPI number?
The NPI number for Mejdi Najjar is 1083111801. It was assigned to this individual provider in the NPPES registry on April 9, 2018.
Where is Mejdi Najjar located?
Mejdi Najjar practices at 111 Michigan Ave NW, Washington, DC 20010. The listed phone number is (202) 476-5000.
What is Mejdi Najjar's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology with Special Qualifications in Child Neurology, with taxonomy code 2084N0402X.
Is Mejdi Najjar enrolled in Medicare?
Yes. Mejdi Najjar is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mejdi Najjar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mejdi Najjar reassigns Medicare benefits to 2 organizations: Children's Hospital (Washington, DC) and Medstar Medical Group II LLC (Washington, DC). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mejdi Najjar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mejdi Najjar accept?
Health plans from Oscar Health list Mejdi Najjar 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 Mejdi Najjar was last updated on October 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Mejdi Najjar, MD · NPI 1083111801
Neurology with Special Qualifications in Child Neurology physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since April 9, 2018.
## Identity
- **NPI:** 1083111801 (Entity type: Individual)
- **Enumerated:** April 9, 2018
- **Primary specialty:** Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology · taxonomy 2084N0402X
- **State license:** MD210011564 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 111 MICHIGAN AVE NW, Washington, DC 20010-2916
- **Phone:** (202) 476-5000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Children's Hospital (NPI 1780800128, Washington, DC); Medstar Medical Group II LLC (NPI 1023836137, Washington, DC) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 15, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1083111801) · Data from the CMS NPPES public registry.