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Shannon Duffy, MMSC, PA-C

NPI 1902577604ActiveIndividual· Physician Assistant· Boulder, CO

Physician Assistant (MMSC, PA-C) in Boulder, Colorado, trained at Emory University School of Medicine (class of 2022). Part D covered 365 prescriptions written in 2024, 85% of them generic. Leo Pharma Inc. was the largest of 4 companies reporting payments in 2025, $431.03 in all, mostly food and beverage.

Overview

NPI1902577604
StatusActive
Entity typeIndividual
CredentialMMSC, PA-C
Sole proprietorNo
NPI issuedSep 22, 2021
Last updated in NPPESAug 13, 2025
Certified by providerAug 13, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Physician Assistant Primary363A00000X11447GA

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 - Physician Assistant (CO)

Part D prescriptions in 2024

Prescriptions (claims)365 · 403 30-day fills
Patients191
Total drug cost$281,324
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Medical schoolEmory University School of Medicine
Graduation year2022
Medicare specialtyPhysician Assistant

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$431.03 · 4 payments from 4 companies
  • 2024$432.69 · 24 payments from 9 companies

Top paying companies in 2025

CompanyAmountPayments
Leo Pharma Inc.$159.001
Amgen Inc.$125.381
Abbvie Inc.$124.881
Novartis Pharmaceuticals Corporation$21.771

What the 2025 payments were for

  • Food and Beverage$431.03 · 4 payments

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

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