Amy Thu Bui, M.D.

NPI 1013027838ActiveIndividual· Specialist· Mission Viejo, CA

Specialist (M.D.) in Mission Viejo, California, trained at University of Florida College of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $722,924 for 2,201 claims, against $75,067 paid for services in 2024. Abbott Laboratories was the largest of 26 companies reporting payments in 2025, $1,370 in all, mostly food and beverage.

Overview

NPI	1013027838
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Aug 30, 2006
Last updated in NPPES	Oct 15, 2021
Certified by provider	Oct 15, 2021

Specialties and licenses

Taxonomy	Code	License	State
Specialist Primary	174400000X	A82140	CA
Internal Medicine, Endocrinology, Diabetes & Metabolism	207RE0101X	A82140	CA

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 - Endocrinology (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	243
Services billed	1,356 across 46 procedure codes
Paid by Medicare	$75,067

Part D prescriptions in 2024

Prescriptions (claims)	2,201 · 4,802 30-day fills
Patients	251
Total drug cost	$722,924
Generic share	53% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Florida College of Medicine
Graduation year	2001
Medicare specialty	Endocrinology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth