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

Dr. Ellen Katch O'Brien, MD

Individual provider Pediatrics Physician · NPI 1992965008

Dr. Ellen Katch O'Brien, MD is a Pediatrics Physician in Washington, District of Columbia. Licensed in District of Columbia. Registered with an NPI since 2008.

Licensed in
DC
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2141 K St NW Ste 401
Washington, DC 20037-1810
Phone: (202) 833-4543
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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 MD039682 (DC)

Record details

NPI number1992965008
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 11, 2008
Last updated in NPPESNovember 30, 2011

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