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Oliver Loriega Arquero, MD

NPI 1962713776ActiveIndividual· Internal Medicine· Portland, OR

Internal Medicine (MD) with Providence Health and Services Oregon and 1 other group, practicing in Portland, Oregon. In 2024 Medicare paid $24,461 for 111 patients, and Part D covered 200 of their prescriptions, 88% of them generic. Lists Providence Portland Medical Center as a hospital affiliation.

Overview

NPI1962713776
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 25, 2010
Last updated in NPPESFeb 5, 2021
Certified by providerFeb 5, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XMD186670OR
Internal Medicine207R00000XMD2013-0214NM
Internal Medicine207R00000XMT196663PA

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 - Internal Medicine (OR)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients111
Services billed304 across 7 procedure codes
Paid by Medicare$24,461

Part D prescriptions in 2024

Prescriptions (claims)200 · 226 30-day fills
Patients80
Total drug cost$10,217
Generic share88% of claims

Medicare sources and data years

Education and affiliations

Graduation year2006
Medicare specialtyInternal Medicine

Medical groups

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other Internal Medicine providers in Portland

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