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

Robert Warren

Individual provider Hematology & Oncology Physician · NPI 1568461598

Robert Warren is a Hematology & Oncology Physician in Washington, District of Columbia. Licensed in District of Columbia. Registered with an NPI since 2005.

Licensed in
DC
In the registry since
2005

Practice location Address checks out

3800 Reservoir Rd NW
Washington, DC 20007-2113
Phone: (202) 444-2223
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 21025 (DC)

Record details

NPI number1568461598
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJuly 20, 2005
Last updated in NPPESNovember 30, 2007

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