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DR. GRAHAM CHRISTIAN ELLIS MD
NPI 1508395021
Internal Medicine - Infectious Disease in Bethesda, MD

Active since June 08, 2017PECOS Enrolled
WALTER REED NATIONAL MILITARY MEDICAL CENTER, 8901 ROCKVILLE PIKE, BETHESDA, MD 20889(301) 295-4611 Get Directions Write a Review

NPPES record last updated: August 24, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 24, 2026, Jul 9, 2024, Aug 21, 2023 and 5 more (8 updates tracked since 2017).

About Dr. Graham Christian Ellis Md NPPES

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

DR. GRAHAM CHRISTIAN ELLIS MD (NPI 1508395021) is an individual infectious disease provider in Bethesda, Maryland, licensed in Virginia (0101268004) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1508395021
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDR. GRAHAM CHRISTIAN ELLISCredential: MD
Location AddressWALTER REED NATIONAL MILITARY MEDICAL CENTER, 8901 ROCKVILLE PIKEBethesda, MD 20889
Mailing Address8901 Rockville PikeBethesda, MD 20889-0001
Phone(301) 295-4611
Sole ProprietorNo
Enumeration DateJune 8, 2017
Last NPPES UpdateAugust 24, 20268 updates tracked since enumeration
NPPES CertifiedAugust 24, 2026
✔ NPI 1508395021 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in VA · 0101268004
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
WALTER REED NATIONAL MILITARY MEDICAL CENTER, Bethesda, MD 20889
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Other Identifiers 1

OtherVAD0000Medicare Upin

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Graham Christian Ellis Md 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 20889 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
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. DOUGLAS GRANT HAWK M.D.
Internal Medicine
WALTER REED NATIONAL MILITARY MEDICAL CENTER
BETHESDA, MD 20889
Montgomery County (301) 400-1012
BENJAMIN SNYDER
Military Health Care Provider
WALTER REED NATIONAL MILITARY MEDICAL CENTER
BETHESDA, MD 20889
Montgomery County (301) 319-2498
THOMAS ANTHONY OLLERHEAD DO
Allergy & Immunology
WALTER REED NATIONAL MILITARY MEDICAL CENTER, 8901 WISCONSIN AVENUE
BETHESDA, MD 20889
Montgomery County (301) 319-8754
DR. DEBRA DEANNE BUCKLAND-COFFEY M.D.
Internal Medicine
WALTER REED NATIONAL MILITARY MEDICAL CENTER, 8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-0568
MRS. MARY U SMITH N.P
Nurse Practitioner (Family)
WALTER REED NATIONAL MILITARY MEDICAL CENTER, 4494 PALMER RD N
BETHESDA, MD 20889
Montgomery County (301) 319-2101
BRANDON JAMES NEAL MD
Pediatrics
WALTER REED NATIONAL MILITARY MEDICAL CENTER
BETHESDA, MD 20889
Montgomery County (907) 792-9257
DR. NOELLE SUMMERS LARSON MD
Pediatrics (Pediatric Endocrinology)
WALTER REED NATIONAL MILITARY MEDICAL CENTER, 8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 295-4959
DR. DOUGLAS NORRIS WATERMAN DDS, MS
Dentist (Orthodontics and Dentofacial Orthopedics)
WALTER REED NATIONAL MILITARY MEDICAL CENTER, 8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 400-2039

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 Graham Ellis's NPI number?

The NPI number for Graham Ellis is 1508395021. It was assigned to this individual provider in the NPPES registry on June 8, 2017.

Where is Graham Ellis located?

Graham Ellis practices at Walter Reed National Military Medical Center 8901 Rockville Pike, Bethesda, MD 20889. The listed phone number is (301) 295-4611.

What is Graham Ellis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Graham Ellis enrolled in Medicare?

Yes. Graham Ellis is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Graham Ellis was last updated on August 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.