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

REBECCA ALISA LEFF
NPI 1972180883
Emergency Medicine in Washington, DC

Active since March 26, 2021PECOS EnrolledAccepts Medicare Assignment
111 MICHIGAN AVE NW, WASHINGTON, DC 20010(202) 476-5000 Get Directions Write a Review

NPPES record last updated: July 10, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 10, 2026, Mar 21, 2025, Nov 19, 2024 and 4 more (7 updates tracked since 2021).

About Rebecca Alisa Leff NPPES

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

REBECCA ALISA LEFF (NPI 1972180883) is an individual emergency medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD600005609) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with Tufts Medical Center, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1972180883
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameREBECCA ALISA LEFF
Location Address111 MICHIGAN AVE NWWashington, DC 20010-2916
Mailing AddressPo Box 744785Atlanta, GA 30374-4785 · (202) 476-5000
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 26, 2021
Last NPPES UpdateJuly 10, 20267 updates tracked since enumeration
NPPES CertifiedJuly 10, 2026
NPI 1972180883 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses Licensed in DC · MD600005609 Licensed in MA · 1018799 Licensed in MN · 71987 Licensed in MN · 31656
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.
Also ListedEmergency Medicine · Pediatric Emergency MedicineTaxonomy 207PP0204X · License MD600005609 (DC)
111 MICHIGAN AVE NW, Washington, DC 20010

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Rebecca Alisa Leff is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4880095025
PECOS Enrollment IDI20240816001339
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Tufts Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220116
Location800 Washington StreetBoston, MA 02111 · Suffolk County
Emergency services Birthing friendly

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.

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.

Surgery
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
Pediatrics
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
Pediatrics (Pediatric Cardiology)
111 MICHIGAN AVE NW, W3.5, 600
WASHINGTON, DC 20010
Pediatrics
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
Student in an Organized Health Care Education/Training Program
111 MICHIGAN AVE NW, W3.5, 600
WASHINGTON, DC 20010
Anesthesiology (Pediatric Anesthesiology)
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
Medical Genetics (Clinical Genetics (M.D.))
111 MICHIGAN AVE NW, W3.5, 600
WASHINGTON, DC 20010
Pharmacist (Pharmacotherapy)
111 MICHIGAN AVE NW
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 Rebecca Leff's NPI number?

The NPI number for Rebecca Leff is 1972180883. It was assigned to this individual provider in the NPPES registry on March 26, 2021.

Where is Rebecca Leff located?

Rebecca Leff practices at 111 Michigan Ave NW, Washington, DC 20010. The listed phone number is (202) 476-5000.

What is Rebecca Leff's specialty?

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

Is Rebecca Leff enrolled in Medicare?

Yes. Rebecca Leff is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Rebecca Leff affiliated with any hospitals?

According to CMS data, Rebecca Leff is affiliated with Tufts Medical Center.

When was this NPI record last updated?

The NPPES record for Rebecca Leff was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 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.