Stephen Liu, M.D.

NPI 1275858292ActiveIndividual· Internal Medicine, Pulmonary Disease· Anaheim, CA

Internal Medicine, Pulmonary Disease (M.D.) in Anaheim, California, trained at R Franklin University of Med & Sci/Chicago Medical School (class of 2008). Part D covered 191 prescriptions written in 2024, 60% of them generic. Somnomed Inc. was the largest of 3 companies reporting payments in 2025, $499.61 in all, mostly food and beverage.

Overview

NPI	1275858292
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	Yes
NPI issued	Apr 1, 2010
Last updated in NPPES	Oct 26, 2021
Certified by provider	Oct 26, 2021

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Pulmonary Disease Primary	207RP1001X	A111234	CA

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 - Internal Medicine (CA)

Part D prescriptions in 2024

Prescriptions (claims)	191 · 303 30-day fills
Patients	37
Total drug cost	$235,330
Generic share	60% of claims

Medicare sources and data years

Education and affiliations

Medical school	R Franklin University of Med & Sci/Chicago Medical School
Graduation year	2008
Medicare specialty	Internal Medicine
Secondary specialties	Critical Care (Intensivists), Pulmonary Disease
Telehealth	Offers telehealth