Hoang Anh Ngoc Nguyen, M.D.

NPI 1407147440ActiveIndividual· Hospitalist· Orange, CA

Hospitalist (M.D.) in Orange, California, trained at University of California, Geffen School of Medicine (class of 2011). In 2024 Medicare paid $81,447 for 253 patients, and Part D covered 149 of their prescriptions, 87% of them generic. Aurinia Pharma U.S., Inc. reported $100.82 in payments in 2025, mostly food and beverage.

Overview

NPI	1407147440
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Apr 25, 2011
Last updated in NPPES	Sep 18, 2023
Certified by provider	Sep 18, 2023

Specialties and licenses

Taxonomy	Code	License	State
Hospitalist Primary	208M00000X	A123992	CA
Internal Medicine	207R00000X	A123992	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 - Nephrology (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	253
Services billed	795 across 14 procedure codes
Paid by Medicare	$81,447

Part D prescriptions in 2024

Prescriptions (claims)	149 · 189 30-day fills
Patients	51
Total drug cost	$13,536
Generic share	87% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of California, Geffen School of Medicine
Graduation year	2011
Medicare specialty	Nephrology
Secondary specialties	Internal Medicine