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Sean Cao, M.D.

NPI 1558360966ActiveIndividual· Surgery· Fountain Valley, CA

Surgery (M.D.) in Fountain Valley, California, trained at State University of New York at Buffalo School of Medicine (class of 1990). 79 Medicare patients in 2024, $120,879 paid; nearly all of their 183 Part D prescriptions were generic (98%). Histosonics, Inc. reported $1,282 in payments in 2025, mostly travel and lodging.

Overview

NPI1558360966
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedJul 18, 2005
Last updated in NPPESAug 18, 2008

Specialties and licenses

TaxonomyCodeLicenseState
Surgery Primary208600000XG73196CA

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 - General Surgery (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients79
Services billed204 across 33 procedure codes
Paid by Medicare$120,879

Part D prescriptions in 2024

Prescriptions (claims)183 · 210 30-day fills
Patients87
Total drug cost$5,602
Generic share98% of claims

Medicare sources and data years

Education and affiliations

Medical schoolState University of New York at Buffalo School of Medicine
Graduation year1990
Medicare specialtyGeneral Surgery

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,282 · 6 payments from 1 company
  • 2024$31.52 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Histosonics, Inc.$1,2826

What the 2025 payments were for

  • Travel and Lodging$1,057 · 4 payments
  • Food and Beverage$225.00 · 2 payments

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

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