Provider
GREGORY G ALLEN D.O.
Public NPPES listing with taxonomy: Internal Medicine.
GREGORY G ALLEN D.O. is a provider in Cranston, Rhode Island. Check Medicare & GLP-1 coverage status, address, phone, NPI, and source details below, then call or visit the website to confirm current participation and benefits.
Resource details
Medicare status: Confirm directly
Unknown from NPPES
Source: NPPES NPI Registry
NPI: 1043217250
Taxonomy: Internal Medicine (207R00000X)
Source confidence: 58%
Medicare assignment: Unknown from NPPES
Address: 1681 CRANSTON ST, SUITE D, CRANSTON, RI, 029205000
Phone: 401-946-8446
Last verified: June 8, 2026