Individual provider · Type 1 NPI

Sierra R. Wallace, MD

Internal Medicine Physician · Boston, MA

NPI number 1134869340 Active

Practice location

801 Massachusetts Ave, Crosstown 2
Boston, MA 02118-2605

Call (617) 414-7399 Map

Fax (617) 414-4676

Mailing address

960 Massachusetts Ave Ste 2
Boston, MA 02118-2690

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000X1023386 (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 1134869340

Sierra R. Wallace, MD's National Provider Identifier is 1134869340, issued on Mar 29, 2022. 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 21, 2025.