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Emma Maria Tierney

NPI 1437929858ActiveIndividual· Physician Assistant· Reston, VA

Physician Assistant with Orthovirginia Inc, practicing in Reston, Virginia. 58 Medicare patients in 2024, $4,579 paid; nearly all of their 268 Part D prescriptions were generic (97%). Globus Medical, Inc. reported $131.95 in payments in 2025, mostly food and beverage. Lists Reston Hospital Center as a hospital affiliation.

Overview

NPI1437929858
StatusActive
Entity typeIndividual
Sole proprietorYes
NPI issuedJan 5, 2024
Last updated in NPPESApr 30, 2024
Certified by providerApr 30, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Physician Assistant Primary363A00000X——

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 - Physician Assistant (DC)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients58
Services billed157 across 17 procedure codes
Paid by Medicare$4,579

Part D prescriptions in 2024

Prescriptions (claims)268 · 275 30-day fills
Patients88
Total drug cost$4,307
Generic share97% of claims

Medicare sources and data years

Education and affiliations

Graduation year2024
Medicare specialtyPhysician Assistant

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$131.95 · 1 payment from 1 company
  • 2024$32.01 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Globus Medical, Inc.$131.951

What the 2025 payments were for

  • Food and Beverage$131.95 · 1 payment

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

Other Physician Assistant providers in Reston

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