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Arnold Hoo Seto, M.D.

NPI 1215081807ActiveIndividual· Internal Medicine, Interventional Cardiology· Orange, CA

Internal Medicine, Interventional Cardiology (M.D.) in Orange, California, trained at Harvard Medical School (class of 2001). Part D covered 333 prescriptions written in 2024, 87% of them generic. Merit Medical Systems Inc was the largest of 17 companies reporting payments in 2025, $8,209 in all, mostly consulting fees.

Overview

NPI1215081807
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJan 22, 2007
Last updated in NPPESJun 20, 2011

Specialties and licenses

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 - Cardiovascular Disease (Cardiology) (CA)

Part D prescriptions in 2024

Prescriptions (claims)333 · 895 30-day fills
Patients65
Total drug cost$58,739
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Medical schoolHarvard Medical School
Graduation year2001
Medicare specialtyCardiovascular Disease (Cardiology)
Secondary specialtiesCritical Care (Intensivists)

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$8,209 · 39 payments from 17 companies
  • 2024$13,439 · 38 payments from 13 companies

Top paying companies in 2025

What the 2025 payments were for

  • Consulting Fee$6,713 · 11 payments
  • Food and Beverage$1,497 · 28 payments

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

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