Jack W. Horng, MD

NPI 1922093376ActiveIndividual· Internal Medicine, Pulmonary Disease· West Nyack, NY

Internal Medicine, Pulmonary Disease (MD) in West Nyack, New York, trained at New York Medical College (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $334,435 for 428 claims, against $157,081 paid for services in 2024. Pulmonx Corporation was the largest of 8 companies reporting payments in 2025, $427.89 in all, mostly food and beverage.

Overview

NPI	1922093376
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Sep 13, 2005
Last updated in NPPES	May 17, 2016

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Pulmonary Disease Primary	207RP1001X	2063691	NY
Internal Medicine, Critical Care Medicine	207RC0200X	2063691	NY
Internal Medicine, Sleep Medicine	207RS0012X	206369	NY
Internal Medicine	207R00000X	206369	NY

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 (NY)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	607
Services billed	1,365 across 31 procedure codes
Paid by Medicare	$157,081

Part D prescriptions in 2024

Prescriptions (claims)	428 · 652 30-day fills
Patients	100
Total drug cost	$334,435
Generic share	39% of claims

Medicare sources and data years

Education and affiliations

Medical school	New York Medical College
Graduation year	1993
Medicare specialty	Pulmonary Disease
Secondary specialties	Internal Medicine, Sleep Medicine
Telehealth	Offers telehealth