Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Leonard Lefkowitz, MD

Individual provider Pediatrics Physician · NPI 1386865210

Dr. Leonard Lefkowitz, MD is a Pediatrics Physician in Washington, District of Columbia. Licensed in District of Columbia and Maryland. Registered with an NPI since 2007.

Licensed in
DC, MD
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2141 K St NW Ste 501
Washington, DC 20037-1810
Phone: (202) 994-6827
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence MD2906 (DC)
Pediatrics Physician Taxonomy 208000000X · Licence D0005621 (MD)

Record details

NPI number1386865210
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 1, 2007
Last updated in NPPESJuly 8, 2007

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