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Mary Ann K. Allison, MD

NPI 1952317794ActiveIndividual· Internal Medicine, Hematology & Oncology· Henderson, NV

Internal Medicine, Hematology & Oncology (MD) in Henderson, Nevada, licensed in NV, with an NPI issued in August 2006. Abbvie Inc. reported $25.11 in payments in 2025, mostly food and beverage.

Overview

NPI1952317794
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedAug 1, 2006
Last updated in NPPESMay 29, 2018

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003X6754NV

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)Not in the public enrollment file of Oct 1, 2026

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$25.11 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Abbvie Inc.$25.111

What the 2025 payments were for

  • Food and Beverage$25.11 · 1 payment

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

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