Winnie Y. Liu, MD

NPI 1427391101ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Portland, OR

Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Portland, Oregon, trained at Rush Medical College of Rush University (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $566,360 for 1,123 claims, against $16,157 paid for services in 2024. Cvrx, Inc. reported $14.00 in payments in 2024, mostly food and beverage.

Overview

NPI	1427391101
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Apr 1, 2013
Last updated in NPPES	Dec 22, 2020
Certified by provider	Dec 22, 2020

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Endocrinology, Diabetes & Metabolism Primary	207RE0101X	MD177318	OR
Internal Medicine	207R00000X	TL0004657	CO
Internal Medicine	207R00000X	MD177318	OR
Student in an Organized Health Care Education/Training Program	390200000X	—	—

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 - Endocrinology (OR)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	456
Services billed	550 across 9 procedure codes
Paid by Medicare	$16,157

Part D prescriptions in 2024

Prescriptions (claims)	1,123 · 2,403 30-day fills
Patients	200
Total drug cost	$566,360
Generic share	34% of claims

Medicare sources and data years

Education and affiliations

Medical school	Rush Medical College of Rush University
Graduation year	2013
Medicare specialty	Endocrinology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth