Skip to content

William Churk-Nam Auyeung, M.D.

NPI 1922365857ActiveIndividual· Internal Medicine, Pulmonary Disease· Fremont, CA

Internal Medicine, Pulmonary Disease (M.D.) in Fremont, California, licensed in CA and TX, with an NPI issued in April 2012. Enrolled in Medicare as practitioner - critical care (intensivists). Intuitive Surgical, Inc. was the largest of 3 companies reporting payments in 2025, $2,717 in all, mostly education.

Overview

NPI1922365857
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedApr 17, 2012
Last updated in NPPESNov 18, 2022
Certified by providerNov 18, 2022

Specialties and licenses

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 - Critical Care (Intensivists) (CA)

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$2,717 · 6 payments from 3 companies
  • 2024$121.84 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Intuitive Surgical, Inc.$2,5844
Jazz Pharmaceuticals Inc.$104.331
Erbe USA Inc$29.001

What the 2025 payments were for

  • Education$2,500 · 1 payment
  • Food and Beverage$217.10 · 5 payments

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

Other Internal Medicine, Pulmonary Disease providers in Fremont

All Internal Medicine, Pulmonary Disease providers in California →