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Mark Austin Grant, MD

NPI 1477016921ActiveIndividual· Family Medicine· Tucson, AZ

Family Medicine (MD) in Tucson, Arizona, trained at Loyola University of Chicago, Stritch School of Medicine (class of 2019). Part D covered 256 prescriptions written in 2024, 88% of them generic. Indivior Inc. was the largest of 2 companies reporting payments in 2025, $20,470 in all, mostly speaking and faculty fees.

Overview

NPI1477016921
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedApr 11, 2019
Last updated in NPPESMay 3, 2022
Certified by providerMay 3, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Family Medicine Primary207Q00000XR77275AZ

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 Practitioner - Family Practice (AZ)

Part D prescriptions in 2024

Prescriptions (claims)256 · 258 30-day fills
Patients56
Total drug cost$47,896
Generic share88% of claims

Medicare sources and data years

Education and affiliations

Medical schoolLoyola University of Chicago, Stritch School of Medicine
Graduation year2019
Medicare specialtyFamily Practice

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$20,470 · 85 payments from 2 companies
  • 2024$23.96 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Indivior Inc.$20,45284
Braeburn Inc.$18.001

What the 2025 payments were for

  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$10,767 · 8 payments
  • Travel and Lodging$7,770 · 42 payments
  • Food and Beverage$1,933 · 35 payments

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

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