ELLEN ROSEMARY GRAHAM NP
NPI 1851073977
Nurse Practitioner - Pediatrics in Washington, DC
About Ellen Rosemary Graham Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELLEN ROSEMARY GRAHAM NP (NPI 1851073977) is an individual pediatrics provider in Washington, District Of Columbia, licensed in District Of Columbia (NP11037755) and active in the NPI registry since August 2023. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ellen Rosemary Graham Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Ellen Graham reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia enrollment
- 3,530 clinicians in this Medicare group
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia enrollment
- 861 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 20007 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 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
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 Ellen Graham's NPI number?
The NPI number for Ellen Graham is 1851073977. It was assigned to this individual provider in the NPPES registry on August 7, 2023. The provider is also known as Ellen Loughlin Np.
Where is Ellen Graham located?
Ellen Graham practices at 3800 Reservoir Rd NW, Washington, DC 20007. The listed phone number is (202) 444-3700.
What is Ellen Graham's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Ellen Graham enrolled in Medicare?
Yes. Ellen Graham is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ellen Graham's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ellen Graham reassigns Medicare benefits to 2 organizations: Medstar Medical Group II LLC (Washington, DC) and Mgmc 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 Ellen Graham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ellen Graham was last updated on June 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.
# Ellen Rosemary Graham, NP · NPI 1851073977
Pediatrics physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since August 7, 2023.
## Identity
- **NPI:** 1851073977 (Entity type: Individual)
- **Enumerated:** August 7, 2023
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** NP11037755 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 3800 RESERVOIR RD NW, Washington, DC 20007-2113
- **Phone:** (202) 444-3700
## 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): Medstar Medical Group II LLC (NPI 1205562816, Washington, DC); Mgmc LLC (NPI 1316949654, Washington, DC) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 27, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1851073977) · Data from the CMS NPPES public registry.