Individual provider · Type 1 NPI

Jeffrey Alan Held, MD

Internal Medicine Physician · Cambridge, MA

NPI number 1841243557 Active

Practice location

25 Carleton St # E23
Cambridge, MA 02142-1323

Fax (617) 258-9355

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000X290818 (MA)
Internal Medicine Physician 207R00000XME90446 (FL)

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 1841243557

Jeffrey Alan Held, MD's National Provider Identifier is 1841243557, issued on May 17, 2006. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Cambridge, MA. The record was last updated on May 19, 2026.