Internal Medicine, Nephrology
ANDREW ALLEGRETTI M.D.
Identity confirmed via CMS NPPES · September 30, 2026 · A directory match is not a coverage approval.
Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.
Public record
NPI 1427378991 · enumerated 2010-06-08 · record updated 2016-05-21. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Mailing address MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT ST., BOSTON, MA, 02114 (617) 726-2865 Google Maps Apple Maps OpenStreetMap
- Practice location MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT ST., BOSTON, MA, 02114 (617) 726-5050 Google Maps Apple Maps OpenStreetMap
Specialties
- Internal Medicine 207R00000X · License L-243795 MA
- Internal Medicine, Nephrology 207RN0300X · Primary · License 251043 MA
In this directory
Locations and evidence
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Practice location
BOSTON, MA, 02114
Accepting new patientsNot reportedCMS NPPES · September 30, 2026
Plan acceptance
- No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.