Esther Guardado, P.A.C

Physician Assistant

Esther Guardado is a Physician Assistant based in Fullerton, CA with over 22 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(714) 992-5350Fullerton, CA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Esther Guardado, P.A.C has been part of the Fullerton medical community since 2007 in independent practice. A Western University of Health Sciences College of Dental Med graduate since 2004, she brings 22+ years of experience. A physician assistant is a person who has successfully completed an accredited education program for physician assistant.

At a glance

  • Prescribes opioids less than 49% of reporting doctors in California
  • Uses generic medications more than 51% of reporting doctors in California
  • Virtual visits available — no app or travel required
1 of 1,621 Physician Assistant providers in CASee all Physician Assistant in Fullerton22+ years experienceNPI since 2007

Older · 545dNPPES updated 2024-11-25 · verify NPI on CMS · Verify license at Medical Board of California

Contact & Location

Practice Location

101 Laguna Rd Ste 200, Fullerton, CA 92835-3634

CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.

Opioid Rx

↓ Lower = better

0.95%

California avg: 5.2 · US avg: 5.1

Higher than most doctors nationally(-4.1 pts)

Typical range among reporting doctors in California

0.95% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Generic Rx

↑ Higher = better

87.9%

California avg: 83.3 · US avg: 82.8

Higher than most doctors nationally(+5.1 pts)

Typical range among reporting doctors in California

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Prescription Recipients

184

Patients prescribed

Prescriptions Written

2,538

Total claims

Total Medicare drug cost: $260k

Percentile rankings compared against 9,360 reporting peers in California.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Industry Payment Transparency

$166 received from industry

3 transactions reported in 2024 ·Low tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Esther Guardado's NPI.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 2004

    Western University of Health Sciences College of Dental Med

  2. Board certified · Nov 24, 2024

    Self-reported via NPPES

  3. 22 years in practice

    Experienced

Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Taxonomy: 363A00000X

Education & Training

Western University of Health Sciences College of Dental Med (Class of 2004)

Practice Footprint

Primary hospital affiliation: Acute Care Hospitals

CMS Certification Number: 190053

View hospital on Medicare Care Compare

Virtual Medical Care With Esther Guardado

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Esther Guardado for follow-ups, medication reviews, and ongoing care — no travel to Fullerton required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Esther Guardado

NPI records show Dr. Guardado as active with telehealth listed in Fullerton, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (714) 992-5350.

Verified across 4 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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