Skip to content

Siobhan Maureen Arey, PA

NPI 1962912428ActiveIndividual· Physician Assistant· Portsmouth, NH

Physician Assistant (PA) with Mercy Hospital and 1 other group, practicing in Portsmouth, New Hampshire. Their prescriptions cost Medicare Part D more than their services did: $216,953 for 337 claims, against $16,918 paid for services in 2024. Amgen Inc. was the largest of 3 companies reporting payments in 2025, $54.35 in all, mostly food and beverage. Lists Northern Light Mercy Hospital and 1 other hospital as hospital affiliations.

Overview

NPI1962912428
StatusActive
Entity typeIndividual
CredentialPA
Sole proprietorNo
NPI issuedOct 10, 2017
Last updated in NPPESSep 30, 2025
Certified by providerSep 30, 2025

Specialties and licenses

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 (ME); Practitioner - Physician Assistant (NH)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients98
Services billed284 across 23 procedure codes
Paid by Medicare$16,918

Part D prescriptions in 2024

Prescriptions (claims)337 · 371 30-day fills
Patients157
Total drug cost$216,953
Generic share91% of claims

Medicare sources and data years

Education and affiliations

Graduation year2017
Medicare specialtyPhysician Assistant

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$54.35 · 4 payments from 3 companies
  • 2024$736.35 · 23 payments from 10 companies

Top paying companies in 2025

CompanyAmountPayments
Amgen Inc.$20.841
Abbvie Inc.$20.281
Organon LLC$13.232

What the 2025 payments were for

  • Food and Beverage$54.35 · 4 payments

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

Other Physician Assistant providers in Portsmouth

All Physician Assistant providers in New Hampshire →