Skip to content

Edward Ungseok Oh, MD

NPI 1376284026ActiveIndividual· Internal Medicine· Fontana, CA

Internal Medicine (MD) with Southern California Permanente Medical Group, practicing in Fontana, California. Part D covered 414 prescriptions written in 2024, 85% of them generic. Novo Nordisk Inc reported $23.87 in payments in 2025, mostly food and beverage. Lists Kaiser Foundation Hospital Fontana/Ontario and 1 other hospital as hospital affiliations.

Overview

NPI1376284026
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedApr 6, 2022
Last updated in NPPESOct 31, 2025
Certified by providerOct 31, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XA203095CA

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)

Part D prescriptions in 2024

Prescriptions (claims)414 · 700 30-day fills
Patients85
Total drug cost$41,664
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Graduation year2017
Medicare specialtyInternal Medicine

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$23.87 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Novo Nordisk Inc$23.871

What the 2025 payments were for

  • Food and Beverage$23.87 · 1 payment

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

Other internal medicine physicians in Fontana

All 118 internal medicine physicians in Fontana · All internal medicine physicians in California