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Sean C. Osullivan, PHYSICIAN ASSISTANT

NPI 1437103090ActiveIndividual· Physician Assistant· Brewster, NY

Physician Assistant (PHYSICIAN ASSISTANT) with Optum Medical Care PC, practicing in Brewster, New York. 308 Medicare patients in 2024, $33,662 paid; nearly all of their 466 Part D prescriptions were generic (94%).

Overview

NPI1437103090
StatusActive
Entity typeIndividual
CredentialPHYSICIAN ASSISTANT
Sole proprietorNo
NPI issuedMay 19, 2006
Last updated in NPPESFeb 11, 2017

Specialties and licenses

TaxonomyCodeLicenseState
Physician Assistant Primary363A00000X009491NY

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 (NY)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients308
Services billed590 across 52 procedure codes
Paid by Medicare$33,662

Part D prescriptions in 2024

Prescriptions (claims)466 · 477 30-day fills
Patients327
Total drug cost$5,189
Generic share94% of claims

Medicare sources and data years

Education and affiliations

Graduation year2003
Medicare specialtyPhysician Assistant

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

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