NPI Lens

Richard C. Chang, M.D.

NPI 1831195882ActiveIndividual· Pediatrics· Fontana, CA

Pediatrics (M.D.) in Fontana, California, licensed in CA and TX, with an NPI issued in June 2005. Part D covered 24 prescriptions written in 2024, 83% of them generic. Glaxosmithkline, LLC. was the largest of 2 companies reporting payments in 2025, $62.90 in all, mostly food and beverage.

Overview

NPI1831195882
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 23, 2005
Last updated in NPPESNov 20, 2012

Specialties and licenses

TaxonomyCodeLicenseState
Pediatrics Primary208000000XA86339CA
Pediatrics208000000XL0074TX

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)Not in the public enrollment file of Oct 1, 2026

Part D prescriptions in 2024

Prescriptions (claims)24 · 24 30-day fills
Total drug cost$863.61
Generic share83% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$62.90 · 3 payments from 2 companies
  • 2024$111.56 · 5 payments from 4 companies

Top paying companies in 2025

CompanyAmountPayments
Glaxosmithkline, LLC.$31.602
Pfizer Inc.$31.301

What the 2025 payments were for

  • Food and Beverage$62.90 · 3 payments

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

Other Pediatrics providers in Fontana

All Pediatrics providers in California →