Anna C. Liu, D.O.

NPI 1417143991ActiveIndividual· Family Medicine· Fountain Valley, CA

Family Medicine (D.O.) in Fountain Valley, California, trained at At Still University of Health Sciences, College of Osteo Med, Kirksville (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $286,514 for 3,330 claims, against $80,825 paid for services in 2024. Lilly USA, LLC was the largest of 4 companies reporting payments in 2025, $142.94 in all, mostly food and beverage.

Overview

NPI	1417143991
Status	Active
Entity type	Individual
Credential	D.O.
Sole proprietor	No
NPI issued	Sep 19, 2007
Last updated in NPPES	Jul 5, 2009

Specialties and licenses

Taxonomy	Code	License	State
Family Medicine Primary	207Q00000X	20A10116	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 - Family Practice (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	87
Services billed	868 across 15 procedure codes
Paid by Medicare	$80,825

Part D prescriptions in 2024

Prescriptions (claims)	3,330 · 7,129 30-day fills
Patients	198
Total drug cost	$286,514
Generic share	91% of claims

Medicare sources and data years

Education and affiliations

Medical school	At Still University of Health Sciences, College of Osteo Med, Kirksville
Graduation year	2000
Medicare specialty	Family Practice
Secondary specialties	Osteopathic Manipulative Medicine, Preventive Medicine, Psychiatry
Telehealth	Offers telehealth