David J. Horne, MD

NPI 1063440998ActiveIndividual· Internal Medicine, Pulmonary Disease· Seattle, WA

Internal Medicine, Pulmonary Disease (MD) in Seattle, Washington, trained at University of California, San Francisco School of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $29,433 for 40 claims, against $6,450 paid for services in 2024. Insmed, Inc. reported $17.38 in payments in 2025, mostly education.

Overview

NPI	1063440998
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Jun 29, 2006
Last updated in NPPES	Mar 7, 2014

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Pulmonary Disease Primary	207RP1001X	00044953	WA
Hospitalist	208M00000X	MD00044953	WA
Internal Medicine, Critical Care Medicine	207RC0200X	00044953	WA

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 (WA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	37
Services billed	64 across 13 procedure codes
Paid by Medicare	$6,450

Part D prescriptions in 2024

Prescriptions (claims)	40 · 52 30-day fills
Total drug cost	$29,433
Generic share	57% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of California, San Francisco School of Medicine
Graduation year	2000
Medicare specialty	Pulmonary Disease
Secondary specialties	Critical Care (Intensivists)
Telehealth	Offers telehealth