Galina Grigoriev Lagos, M.D.

NPI 1154716546ActiveIndividual· Internal Medicine, Hematology & Oncology· Providence, RI

Internal Medicine, Hematology & Oncology (M.D.) in Providence, Rhode Island, trained at Columbia University College of Physicians and Surgeons (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $1,509,683 for 727 claims, against $42,488 paid for services in 2024. Tempus Ai, Inc reported $15.10 in payments in 2024, mostly food and beverage.

Overview

NPI	1154716546
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Apr 2, 2015
Last updated in NPPES	Nov 18, 2021
Certified by provider	Nov 18, 2021

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Hematology & Oncology Primary	207RH0003X	MD17380	RI

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Hematology/Oncology (RI)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	129
Services billed	488 across 13 procedure codes
Paid by Medicare	$42,488

Part D prescriptions in 2024

Prescriptions (claims)	727 · 918 30-day fills
Patients	139
Total drug cost	$1,509,683
Generic share	80% of claims

Medicare sources and data years

Education and affiliations

Medical school	Columbia University College of Physicians and Surgeons
Graduation year	2015
Medicare specialty	Hematology/Oncology
Telehealth	Offers telehealth