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Long Thao, M.D.

NPI 1245341445ActiveIndividual· Family Medicine· Merced, CA

Family Medicine (M.D.) in Merced, California, trained at Southern Illinois University School of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $367,770 for 2,253 claims, against $90,362 paid for services in 2024. Gilead Sciences, Inc. reported $144.47 in payments in 2025, mostly food and beverage.

Overview

NPI1245341445
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedAug 31, 2006
Last updated in NPPESJul 8, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Family Medicine Primary207Q00000XG66867CA

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 - Family Practice (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients193
Services billed1,946 across 38 procedure codes
Paid by Medicare$90,362

Part D prescriptions in 2024

Prescriptions (claims)2,253 · 5,717 30-day fills
Patients201
Total drug cost$367,770
Generic share77% of claims

Medicare sources and data years

Education and affiliations

Medical schoolSouthern Illinois University School of Medicine
Graduation year1988
Medicare specialtyFamily Practice
TelehealthOffers telehealth

Hospital affiliation

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$144.47 · 3 payments from 1 company
  • 2024$197.95 · 5 payments from 4 companies

Top paying companies in 2025

CompanyAmountPayments
Gilead Sciences, Inc.$144.473

What the 2025 payments were for

  • Food and Beverage$144.47 · 3 payments

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

Other family medicine physicians in Merced

All 122 family medicine physicians in Merced · All family medicine physicians in California