Skip to content

Ellen Chang Wong, MD

NPI 1417339607ActiveIndividual· Psychiatry & Neurology, Neurology· Downey, CA

Psychiatry & Neurology, Neurology (MD) in Downey, California, licensed in CA, with an NPI issued in June 2015. Part D covered 293 prescriptions written in 2024, 98% of them generic. Biogen, Inc. reported $124.00 in payments in 2025, mostly food and beverage.

Overview

NPI1417339607
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 24, 2015
Last updated in NPPESMay 6, 2022
Certified by providerMay 6, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Psychiatry & Neurology, Neurology Primary2084N0400XA146928CA

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 - Neurology (CA)

Part D prescriptions in 2024

Prescriptions (claims)293 · 405 30-day fills
Patients47
Total drug cost$5,903
Generic share98% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$124.00 · 1 payment from 1 company
  • 2024$22.59 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Biogen, Inc.$124.001

What the 2025 payments were for

  • Food and Beverage$124.00 · 1 payment

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

Other neurologists in Downey

All neurologists in California