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Siobhan Baxter

NPI 1679325310ActiveIndividual· Physician Assistant· Boston, MA

Physician Assistant in Boston, Massachusetts, licensed in MA, with an NPI issued in April 2024. Mostly services rather than prescriptions: Medicare paid $868.93 for 11 patients in 2024, with only 43 Part D claims. Dilon Technologies, Inc. was the largest of 2 companies reporting payments in 2025, $856.74 in all, mostly food and beverage. Lists Massachusetts Eye and Ear Infirmary - and 2 other hospitals as hospital affiliations.

Overview

NPI1679325310
StatusActive
Entity typeIndividual
Sole proprietorNo
NPI issuedApr 4, 2024
Last updated in NPPESAug 10, 2026
Certified by providerAug 10, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Physician Assistant Primary363A00000XPA100782MA

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Physician Assistant (MA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients11
Services billed14 across 3 procedure codes
Paid by Medicare$868.93

Part D prescriptions in 2024

Prescriptions (claims)43 · 43 30-day fills
Patients23
Total drug cost$826.62
Generic share95% of claims

Medicare sources and data years

Education and affiliations

Graduation year2024
Medicare specialtyPhysician Assistant

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$856.74 · 6 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Dilon Technologies, Inc.$830.505
Merck Sharp & Dohme LLC$26.241

What the 2025 payments were for

  • Food and Beverage$856.74 · 6 payments

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

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