Individual provider · Type 1 NPI

Tomas Gerald Neilan, MD

Cardiovascular Disease Physician · Boston, MA

NPI number 1437285145 Active

Practice location

Massachusetts General Hospital, 55 Fruit Street
Boston, MA 02114

Mailing address

55 Fruit St
Boston, MA 02114-2621

Other practice locations

  • 75 Francis St, Boston, MA 02115-6106 · (617) 732-5500

Specialties and licenses

TaxonomyCodeLicense
Cardiovascular Disease Physician Primary 207RC0000X234637 (MA)
Internal Medicine Physician 207R00000X234637 (MA)

Cardiovascular Disease Physician: An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

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About NPI 1437285145

Tomas Gerald Neilan, MD's National Provider Identifier is 1437285145, issued on Feb 26, 2007. The primary taxonomy on file is Cardiovascular Disease Physician (207RC0000X), and the practice location is in Boston, MA. The record was last updated on Jan 3, 2026.