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Oliver Ross

NPI 1215228762ActiveIndividual· Internal Medicine, Nephrology· Irvine, CA

Internal Medicine, Nephrology with Southern California Permanente Medical Group, practicing in Irvine, California. Their prescriptions cost Medicare Part D more than their services did: $153,730 for 2,350 claims, against $1,676 paid for services in 2024. Lists Kaiser Foundation Hospital - Orange County - Anaheim as a hospital affiliation.

Overview

NPI1215228762
StatusActive
Entity typeIndividual
Sole proprietorNo
NPI issuedMay 2, 2011
Last updated in NPPESDec 3, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Nephrology Primary207RN0300XA123913CA
Internal Medicine207R00000XA123913CA

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 - Internal Medicine (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients14
Services billed33 across 8 procedure codes
Paid by Medicare$1,676

Part D prescriptions in 2024

Prescriptions (claims)2,350 · 7,109 30-day fills
Patients438
Total drug cost$153,730
Generic share95% of claims

Medicare sources and data years

Education and affiliations

Graduation year2011
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

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

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