Individual provider · Type 1 NPI

Charles De Guzman, MD

Internal Medicine Physician · Boston, MA

NPI number 1134878705 Active

Practice location

55 Fruit St
Boston, MA 02114-2621

Call (617) 724-3874 Map

Mailing address

1493 Cambridge St
Cambridge, MA 02139-1047

Other practice locations

  • 75 Francis St, Boston, MA 02115-6110 · (617) 732-5500
  • 1153 Centre St, Jamaica Plain, MA 02130-3446 · (617) 983-7000
  • 1493 Cambridge St, Cambridge, MA 02139-1047 · (617) 665-1000

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000X1022888 (MA)
Hospitalist Physician 208M00000X1022888 (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 1134878705

Charles De Guzman, MD's National Provider Identifier is 1134878705, issued on Mar 21, 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 Sep 11, 2026.