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Alex Harris Geyer, MD

NPI 1659113900ActiveIndividual· Internal Medicine· St. Louis, MO

Internal Medicine (MD) in St. Louis, Missouri, licensed in MO, with an NPI issued in June 2024. Part D covered 201 prescriptions written in 2024, 84% of them generic. Astrazeneca Pharmaceuticals LP reported $25.04 in payments in 2025, mostly food and beverage.

Overview

NPI1659113900
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedJun 8, 2024
Last updated in NPPESJun 13, 2024
Certified by providerJun 13, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X2024021320MO

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 Order and Referring Only - Internal Medicine (MO)

Part D prescriptions in 2024

Prescriptions (claims)201 · 389 30-day fills
Patients36
Total drug cost$27,822
Generic share84% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$25.04 · 1 payment from 1 company
  • 2024$27.55 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Astrazeneca Pharmaceuticals LP$25.041

What the 2025 payments were for

  • Food and Beverage$25.04 · 1 payment

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

Other Internal Medicine providers in St. Louis

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