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Chuan-Jay J. Chen, MD

NPI 1205366457ActiveIndividual· Emergency Medicine· Saint Helena, CA

Emergency Medicine (MD) in Saint Helena, California, licensed in MA and CA, with an NPI issued in June 2017. 500 Medicare patients in 2024, $82,111 paid; nearly all of their 490 Part D prescriptions were generic (92%). Exo Imaging, Inc. reported $1,116 in payments in 2024, mostly consulting fees.

Overview

NPI1205366457
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 19, 2017
Last updated in NPPESOct 4, 2022
Certified by providerOct 4, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Emergency Medicine Primary207P00000X272210MA
Emergency Medicine207P00000X171993CA

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 - Emergency Medicine (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients500
Services billed1,006 across 40 procedure codes
Paid by Medicare$82,111

Part D prescriptions in 2024

Prescriptions (claims)490 · 529 30-day fills
Patients278
Total drug cost$13,207
Generic share92% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2024$1,116 · 1 payment from 1 company

Top paying companies in 2024

CompanyAmountPayments
Exo Imaging, Inc.$1,1161

What the 2024 payments were for

  • Consulting Fee$1,116 · 1 payment

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

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