Brian Joseph Clark, M.D.

NPI 1740501311ActiveIndividual· Internal Medicine, Pulmonary Disease· New Haven, CT

Internal Medicine, Pulmonary Disease (M.D.) in New Haven, Connecticut, trained at Northwestern University Feinberg Medical School (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $909,615 for 938 claims, against $25,294 paid for services in 2024. Genzyme Corporation reported $124.99 in payments in 2024, mostly food and beverage.

Overview

NPI	1740501311
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Jun 17, 2010
Last updated in NPPES	Dec 8, 2022
Certified by provider	Dec 8, 2022

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Pulmonary Disease Primary	207RP1001X	53323	CT
Internal Medicine	207R00000X	53323	CT
Internal Medicine, Critical Care Medicine	207RC0200X	53323	CT

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Oct 9, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026	No match	—
New York OMIG · Nov 10, 2026	No match	—
Ohio Medicaid · Nov 10, 2026	No match	—
Pennsylvania Medicheck · Nov 10, 2026	No match	—
Washington HCA · Nov 10, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Pulmonary Disease (CT)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	151
Services billed	412 across 29 procedure codes
Paid by Medicare	$25,294

Part D prescriptions in 2024

Prescriptions (claims)	938 · 1,476 30-day fills
Patients	118
Total drug cost	$909,615
Generic share	27% of claims

Medicare sources and data years

Education and affiliations

Medical school	Northwestern University Feinberg Medical School
Graduation year	2010
Medicare specialty	Pulmonary Disease
Secondary specialties	Critical Care (Intensivists)
Telehealth	Offers telehealth