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Lillian Chow, MD

NPI 1972778520ActiveIndividual· Internal Medicine, Critical Care Medicine· Orange, CA

Internal Medicine, Critical Care Medicine (MD) with Uc Regents, practicing in Orange, California. Their prescriptions cost Medicare Part D more than their services did: $120,127 for 407 claims, against $72,895 paid for services in 2024. Genzyme Corporation was the largest of 3 companies reporting payments in 2025, $9,167 in all, mostly consulting fees. Lists Hoag Memorial Hospital Presbyterian and 1 other hospital as hospital affiliations.

Overview

NPI1972778520
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedApr 24, 2008
Last updated in NPPESMar 26, 2025
Certified by providerMar 26, 2025

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Pulmonary Disease (CA); Practitioner - Pulmonary Disease (NY)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients320
Services billed772 across 37 procedure codes
Paid by Medicare$72,895

Part D prescriptions in 2024

Prescriptions (claims)407 · 577 30-day fills
Patients104
Total drug cost$120,127

Medicare sources and data years

Education and affiliations

Graduation year2008
Medicare specialtyPulmonary Disease
Secondary specialtiesCritical Care (Intensivists)
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$9,167 · 13 payments from 3 companies
  • 2024$470.42 · 4 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Genzyme Corporation$8,7145
Glaxosmithkline, LLC.$418.667
Verona Pharma, Inc.$34.731

What the 2025 payments were for

  • Consulting Fee$7,608 · 1 payment
  • Travel and Lodging$854.35 · 2 payments
  • Food and Beverage$705.13 · 10 payments

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

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