Gwenyth Lynne Day, MD

NPI 1609371582ActiveIndividual· Internal Medicine, Pulmonary Disease· Aurora, CO

Internal Medicine, Pulmonary Disease (MD) in Aurora, Colorado, trained at Wake Forest University School of Medicine (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $28,512 for 23 claims, against $4,173 paid for services in 2024. Medtronic, Inc. reported $1,575 in payments in 2025, mostly consulting fees.

Overview

NPI	1609371582
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Mar 24, 2018
Last updated in NPPES	Jun 18, 2024
Certified by provider	Jun 18, 2024

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Pulmonary Disease Primary	207RP1001X	DR.0066279	CO
Internal Medicine, Critical Care Medicine	207RC0200X	DR.0066279	CO

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 4, 2026	No match	—
New York OMIG · Nov 4, 2026	No match	—
Ohio Medicaid · Nov 4, 2026	No match	—
Pennsylvania Medicheck · Nov 4, 2026	No match	—
Washington HCA · Nov 4, 2026	No match	—

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

Medicare

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

Medicare services in 2024

Medicare patients	11
Services billed	27 across 5 procedure codes
Paid by Medicare	$4,173

Part D prescriptions in 2024

Prescriptions (claims)	23 · 32 30-day fills
Total drug cost	$28,512

Medicare sources and data years

Education and affiliations

Medical school	Wake Forest University School of Medicine
Graduation year	2018
Medicare specialty	Pulmonary Disease
Secondary specialties	Critical Care (Intensivists), Internal Medicine
Telehealth	Offers telehealth