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Nadia Zia, MD

NPI 1134164825ActiveIndividual· Internal Medicine· O Fallon, MO

Internal Medicine (MD) in O Fallon, Missouri, licensed in MO, with an NPI issued in June 2006. Part D covered 21 prescriptions written in 2024, 100% of them generic. Merck Sharp & Dohme LLC reported $22.84 in payments in 2025, mostly food and beverage.

Overview

NPI1134164825
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 18, 2006
Last updated in NPPESJun 19, 2014

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X2004023371MO
Hospitalist208M00000X2004023371MO

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 - Internal Medicine (MO)

Part D prescriptions in 2024

Prescriptions (claims)21 · 43 30-day fills
Total drug cost$538.35
Generic share100% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$22.84 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Merck Sharp & Dohme LLC$22.841

What the 2025 payments were for

  • Food and Beverage$22.84 · 1 payment

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

Other internal medicine physicians in O Fallon

All 25 internal medicine physicians in O Fallon · All internal medicine physicians in Missouri