Individual provider · Type 1 NPI

Brendan Leo Rooney, MD

Internal Medicine Physician · Boston, MA

NPI number 1184423261 Active

Practice location

800 Washington St # 600B
Boston, MA 02111-1552

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000X3021170 (MA)

Internal Medicine Physician: A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medi…

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About NPI 1184423261

Brendan Leo Rooney, MD's National Provider Identifier is 1184423261, issued on Mar 11, 2025. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Boston, MA. The record was last updated on Oct 8, 2026.