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Rose-Ann Guevarra

NPI 1154889327ActiveIndividual· Physician Assistant· Fullerton, CA

Physician Assistant with City of Hope Medical Foundation, practicing in Fullerton, California. Their prescriptions cost Medicare Part D more than their services did: $267,206 for 187 claims, against $73,304 paid for services in 2024. Blueprint Medicines Corporation was the largest of 2 companies reporting payments in 2025, $142.45 in all, mostly food and beverage. Lists Memorialcare Long Beach Medical Center and 2 other hospitals as hospital affiliations.

Overview

NPI1154889327
StatusActive
Entity typeIndividual
Sole proprietorNo
NPI issuedMar 6, 2019
Last updated in NPPESMar 6, 2019

Specialties and licenses

TaxonomyCodeLicenseState
Physician Assistant Primary363A00000X56481CA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Physician Assistant (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients144
Services billed1,346 across 16 procedure codes
Paid by Medicare$73,304

Part D prescriptions in 2024

Prescriptions (claims)187 · 274 30-day fills
Patients55
Total drug cost$267,206
Generic share74% of claims

Medicare sources and data years

Education and affiliations

Graduation year2018
Medicare specialtyPhysician Assistant
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$142.45 · 2 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Blueprint Medicines Corporation$116.711
Abbvie Inc.$25.741

What the 2025 payments were for

  • Food and Beverage$142.45 · 2 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Physician Assistant providers in Fullerton

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