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

Individual provider Hematology & Oncology Physician · NPI 1912908120

Dr. Brian P. Monahan, MD is a Hematology & Oncology Physician in Washington, District of Columbia. Licensed in District of Columbia and Maryland. Registered with an NPI since 2005.

Licensed in
DC, MD
In the registry since
2005
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

United States Congress H-166 US Capitol
Washington, DC 20515-0001
Phone: (202) 225-5421
Fax: (202) 225-3396
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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 MD039017 (DC)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence D0035835 (MD)

Record details

NPI number1912908120
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 10, 2005
Last updated in NPPESNovember 10, 2023
Certification dateNovember 10, 2023

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