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Roy Logarta Panares, MD

NPI 1285837229ActiveIndividual· Internal Medicine, Hematology & Oncology· Fullerton, CA

Internal Medicine, Hematology & Oncology (MD) in Fullerton, California, trained at Temple University School of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $4,719,513 for 1,340 claims, against $96,791 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 22 companies reporting payments in 2025, $1,763 in all, mostly food and beverage.

Overview

NPI1285837229
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedJun 7, 2007
Last updated in NPPESOct 21, 2020
Certified by providerOct 21, 2020

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003XA82354CA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Hematology/Oncology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients331
Services billed1,099 across 28 procedure codes
Paid by Medicare$96,791

Part D prescriptions in 2024

Prescriptions (claims)1,340 · 2,091 30-day fills
Patients244
Total drug cost$4,719,513
Generic share73% of claims

Medicare sources and data years

Education and affiliations

Medical schoolTemple University School of Medicine
Graduation year2001
Medicare specialtyHematology/Oncology
TelehealthOffers telehealth

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,763 · 90 payments from 22 companies
  • 2024$1,851 · 101 payments from 21 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$1,630 · 88 payments
  • Education$132.67 · 2 payments

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

Other Internal Medicine, Hematology & Oncology providers in Fullerton

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