Skip to content

Karl Feng, MD

NPI 1306875190ActiveIndividual· Emergency Medicine· Fullerton, CA

Emergency Medicine (MD) in Fullerton, California, licensed in CA, with an NPI issued in July 2006. 585 Medicare patients in 2024, $98,458 paid; nearly all of their 496 Part D prescriptions were generic (95%). Stryker Corporation reported $33.44 in payments in 2025, mostly food and beverage.

Overview

NPI1306875190
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 2, 2006
Last updated in NPPESSep 18, 2009

Specialties and licenses

TaxonomyCodeLicenseState
Emergency Medicine Primary207P00000XA72088CA

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 patients585
Services billed919 across 18 procedure codes
Paid by Medicare$98,458

Part D prescriptions in 2024

Prescriptions (claims)496 · 498 30-day fills
Patients356
Total drug cost$17,749
Generic share95% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$33.44 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Stryker Corporation$33.441

What the 2025 payments were for

  • Food and Beverage$33.44 · 1 payment

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

Other emergency medicine physicians in Fullerton

All 17 emergency medicine physicians in Fullerton · All emergency medicine physicians in California