Esther Guardado, P.A.C

NPI 1073794152ActiveIndividual· Physician Assistant· Fullerton, CA

Physician Assistant (P.A.C) in Fullerton, California, trained at Western University of Health Sciences College of Dental Med (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $305,876 for 2,956 claims, against $4,033 paid for services in 2024. Medtronic, Inc. was the largest of 3 companies reporting payments in 2025, $306.86 in all, mostly food and beverage.

Overview

NPI	1073794152
Status	Active
Entity type	Individual
Credential	P.A.C
Sole proprietor	Yes
NPI issued	Nov 17, 2007
Last updated in NPPES	Nov 25, 2024
Certified by provider	Nov 25, 2024

Specialties and licenses

Taxonomy	Code	License	State
Physician Assistant Primary	363A00000X	17635	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 - Physician Assistant (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	33
Services billed	77 across 11 procedure codes
Paid by Medicare	$4,033

Part D prescriptions in 2024

Prescriptions (claims)	2,956 · 6,900 30-day fills
Patients	236
Total drug cost	$305,876
Generic share	85% of claims

Medicare sources and data years

Education and affiliations

Medical school	Western University of Health Sciences College of Dental Med
Graduation year	2004
Medicare specialty	Physician Assistant
Telehealth	Offers telehealth