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James Chia-Chung Chang, M.D.

NPI 1700867298ActiveIndividual· Anesthesiology· Orange, CA

Anesthesiology (M.D.) with Orange Coast Anesthesia Inc, practicing in Orange, California. Medicare paid $25,484 for services to 162 patients in 2024. Bausch & Lomb Americas Inc. reported $17.07 in payments in 2025, mostly food and beverage. Lists Foothill Regional Medical Center as a hospital affiliation.

Overview

NPI1700867298
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedNov 10, 2005
Last updated in NPPESAug 3, 2018

Specialties and licenses

TaxonomyCodeLicenseState
Anesthesiology Primary207L00000XA44296CA

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 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Anesthesiology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients162
Services billed166 across 27 procedure codes
Paid by Medicare$25,484

Medicare sources and data years

Education and affiliations

Graduation year1983
Medicare specialtyAnesthesiology

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$17.07 · 1 payment from 1 company
  • 2024$104.19 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Bausch & Lomb Americas Inc.$17.071

What the 2025 payments were for

  • Food and Beverage$17.07 · 1 payment

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

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