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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.

LESLIE GAILLOUD MD
NPI 1124761218
Emergency Medicine in Washington, DC

Active since April 16, 2022PECOS Enrolled
2150 PENNSYLVANIA AVE NW, WASHINGTON, DC 20037(202) 741-3000 Get Directions Write a Review

NPPES record last updated: August 10, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 10, 2026, Apr 16, 2022 (2 updates tracked since 2022).

About Leslie Gailloud Md NPPES

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

LESLIE GAILLOUD MD (NPI 1124761218) is an individual emergency medicine provider in Washington, District Of Columbia, licensed in California (A208665) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1124761218
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameLESLIE GAILLOUDCredential: MD
Location Address2150 PENNSYLVANIA AVE NWWashington, DC 20037-3201
Mailing Address2150 Pennsylvania Ave NwWashington, DC 20037-3201 · (202) 741-3000
Phone(202) 741-3000
Sole ProprietorYes
Enumeration DateApril 16, 2022
Last NPPES UpdateAugust 10, 20262 updates tracked since enumeration
NPPES CertifiedAugust 10, 2026
✔ NPI 1124761218 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A208665
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
2150 PENNSYLVANIA AVE NW, Washington, DC 20037
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Leslie Gailloud 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 20037 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.

LEI DU LYNN M.D.
Internal Medicine
2150 PENNSYLVANIA AVE NW, SUITE 5-416
WASHINGTON, DC 20037
District of Columbia (202) 741-2574
NIRAJ RAJU GOWDA MD
Student in an Organized Health Care Education/Training Program
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
District of Columbia (202) 741-3000
DR. ELLEN CURTIN MURPHY MD
Obstetrics & Gynecology (Obstetrics)
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
District of Columbia (202) 741-2500
DR. CHRISTOPHER DAVID BADGER MD
Student in an Organized Health Care Education/Training Program
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
District of Columbia (202) 741-3000
DR. MONICA MARIA MANRIQUE CASTRILLON MD
Student in an Organized Health Care Education/Training Program
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
District of Columbia (202) 741-3000
DR. STEVEN JOSEPH RALSTON MD
Obstetrics & Gynecology (Maternal & Fetal Medicine)
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
District of Columbia (202) 741-2500
ROBERT STEVEN SIEGEL M.D.
Internal Medicine (Hematology & Oncology)
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
District of Columbia (202) 741-3333
JAMES DAVID KATZ M.D.
Internal Medicine (Rheumatology)
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
District of Columbia (202) 741-2222

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 Leslie Gailloud's NPI number?

The NPI number for Leslie Gailloud is 1124761218. It was assigned to this individual provider in the NPPES registry on April 16, 2022.

Where is Leslie Gailloud located?

Leslie Gailloud practices at 2150 Pennsylvania Ave NW, Washington, DC 20037. The listed phone number is (202) 741-3000.

What is Leslie Gailloud's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Leslie Gailloud enrolled in Medicare?

Yes. Leslie Gailloud is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Leslie Gailloud was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.