NPPES file of Aug 9, 2026

Rebecca Alisa Leff

Emergency Medicine Physician · Washington, DC

Rebecca Alisa Leff is an emergency medicine physician with a practice address in Washington, District of Columbia, and NPI 1972180883, issued on Mar 26, 2021. Check the license (District of Columbia MD600005609, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972180883
Name
Rebecca Alisa Leff
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
MD600005609 DC
1018799 MA
31656 MN
71987 MN
Self-reported in NPPES; status is on the state search
Practice location
111 Michigan Ave NW, Washington, DC 20010
Phone
(202) 476-5000
Enumerated
Mar 26, 2021
Record last updated
Jul 10, 2026
Medicare enrollment
Enrolled (PECOS I20240816001339); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 111 Michigan Ave NW

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Joseph AbbahPharmacist1790313948
  2. Emily Abbey, CRNPCritical Care Pediatric Nurse Practitioner1710434006
  3. Claude Abdallah, MDPediatric Anesthesiology Physician1053401851
  4. Islam Abdelmoeti, MBBCHDiagnostic Radiology Physician1588348155
  5. Sarah Abi Raad, MDPediatric Cardiology Physician1528798287
  6. Hassan Aboughalia, MBBCH, MDDiagnostic Radiology Physician1710473954

Verify Rebecca Alisa Leff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
    Search for license MD600005609
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the District of Columbia license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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88% fewer Medicare Part D claims than the average emergency medicine physician in 2024

27 Medicare Part D claims for 18 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Rebecca Leff27
  2. Specialty average226

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 2 group practices

  1. Coastal Medical AssociatesWeymouth, MA
  2. Tufts Medical Center EP LLCBoston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Rebecca Alisa Leff among 360 emergency medicine physician records in District of Columbia

Rebecca Alisa Leff is one of 360 emergency medicine physician records with a practice address in District of Columbia. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 90% of them.

  • NPI issued2021 · 90% of these records are older, 6% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 44% of these records are
  • Graduated2021 · median 2014 among the 160 with a school on file
  • Record last updated2026 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

360 emergency medicine physician records list a practice address in Washington

They are 360 of the 45,857 NPPES records with a practice address in Washington, and 360 emergency medicine physician records in District of Columbia.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Rahul Bhat, MDWashington, DC 200101306892849
  2. Ethan Booker, MDWashington, DC 200101538262746
  3. Rollin Fairbanks, M.D.Washington, DC 200101669405619
  4. Alexander Garza, M.D.Washington, DC 200101518927938
  5. Munish Goyal, MDWashington, DC 200101366485658
  6. Autumn Graham, MDWashington, DC 200101578567012
  7. Aaron Hettinger, M.D.Washington, DC 200101396852281
  8. Korin Hudson Fabian, MDWashington, DC 200101679510382

Common questions

What is Rebecca Alisa Leff's NPI number?

Rebecca Alisa Leff's National Provider Identifier (NPI) is 1972180883, issued on Mar 26, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Rebecca Alisa Leff located?

The NPPES record lists a practice address at 111 Michigan Ave NW, Washington, DC, 20010. Phone: (202) 476-5000. Providers update this record themselves, so call before visiting.

How can I verify Rebecca Alisa Leff's license?

NPPES lists District of Columbia license number MD600005609, as entered by the provider. Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Rebecca Alisa Leff prescribe under Medicare Part D?

In 2024, Rebecca Alisa Leff had 27 Medicare Part D claims for 18 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.