Luan M. Nghiem, MD

NPI 1255439386ActiveIndividual· Internal Medicine, Pulmonary Disease· Burlington, MA

Internal Medicine, Pulmonary Disease (MD) in Burlington, Massachusetts, trained at University of Massachusetts Medical School (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $1,341,477 for 2,011 claims, against $83,752 paid for services in 2024. Insmed, Inc. was the largest of 2 companies reporting payments in 2025, $34.62 in all, mostly education.

Overview

NPI	1255439386
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Sep 20, 2006
Last updated in NPPES	Nov 29, 2010

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Pulmonary Disease Primary	207RP1001X	76947	MA

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 - Pulmonary Disease (MA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	697
Services billed	1,750 across 38 procedure codes
Paid by Medicare	$83,752

Part D prescriptions in 2024

Prescriptions (claims)	2,011 · 2,903 30-day fills
Patients	305
Total drug cost	$1,341,477
Generic share	35% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Massachusetts Medical School
Graduation year	1990
Medicare specialty	Pulmonary Disease
Secondary specialties	Critical Care (Intensivists)
Telehealth	Offers telehealth