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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ELLEN ROSEMARY GRAHAM NP
NPI 1851073977
Nurse Practitioner - Pediatrics in Washington, DC

Active since August 07, 2023PECOS Enrolled
3800 RESERVOIR RD NW, WASHINGTON, DC 20007(202) 444-3700 Get Directions Write a Review

NPPES record last updated: June 27, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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

NPI1851073977
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameELLEN ROSEMARY GRAHAMCredential: NP
Location Address3800 RESERVOIR RD NWWashington, DC 20007-2113
Mailing Address3800 Reservoir Rd NwWashington, DC 20007-2113
Phone(202) 444-3700
Sole ProprietorNo
Enumeration DateAugust 7, 2023
Last NPPES UpdateJune 27, 2026
NPPES CertifiedJune 27, 2026
✔ NPI 1851073977 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in DC · NP11037755
3800 RESERVOIR RD NW, Washington, DC 20007
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Other Names 1

Former Name (1)Ellen Loughlin Np

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ellen Rosemary Graham Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

New Patient
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DR. KAUSTUBH SUBHASH YADWADKAR M.D.
Radiology (Diagnostic Radiology)
3800 RESERVOIR RD NW, CG201
WASHINGTON, DC 20007
District of Columbia (304) 206-7595
FRED MO MD
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
District of Columbia (202) 444-8766
SEBLE YIRGA
Nurse Practitioner (Family)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
District of Columbia (202) 444-7265
ARLETTE THOMPSON-PILE
Physical Therapy Assistant
3800 RESERVOIR RD NW, PHYSICAL MEDICINE AND REHBAILITATION DEPARTMENT
WASHINGTON, DC 20007
District of Columbia (202) 444-3689
JENNA ELIZABETH HOROWITZ
Physician Assistant (Surgical)
3800 RESERVOIR RD NW, NEUROSURGERY DEPARTMENT
WASHINGTON, DC 20007
District of Columbia (202) 444-2000
HALEY SWANSON FOSTER M.D.
Radiology (Vascular & Interventional Radiology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
District of Columbia (202) 444-5022
SOPHIA RIZVI MD
Radiology (Radiation Oncology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
District of Columbia (202) 444-2000
CLAIRE DALBY MD
Student in an Organized Health Care Education/Training Program
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
District of Columbia (202) 444-7106

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.

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 40 days 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.