Phong Xuan Ngo, MD

NPI 1942243449ActiveIndividual· Emergency Medicine· Monterey Park, CA

Emergency Medicine (MD) in Monterey Park, California, trained at University of Southern California Keck School of Medicine (class of 1993). 481 Medicare patients in 2024, $80,556 paid; nearly all of their 456 Part D prescriptions were generic (93%). Astrazeneca Pharmaceuticals LP was the largest of 3 companies reporting payments in 2024, $491.79 in all, mostly food and beverage.

Overview

NPI	1942243449
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Jun 13, 2006
Last updated in NPPES	Jan 19, 2024
Certified by provider	Jan 19, 2024

Specialties and licenses

Taxonomy	Code	License	State
Emergency Medicine Primary	207P00000X	G80943	CA
Emergency Medicine	207P00000X	MD126280	OR
Internal Medicine	207R00000X	MD126280	OR

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 - Emergency Medicine (CA); Practitioner - Emergency Medicine (OR)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	481
Services billed	742 across 34 procedure codes
Paid by Medicare	$80,556

Part D prescriptions in 2024

Prescriptions (claims)	456 · 457 30-day fills
Patients	253
Total drug cost	$4,122
Generic share	93% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Southern California Keck School of Medicine
Graduation year	1993
Medicare specialty	Emergency Medicine
Secondary specialties	Internal Medicine