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Katharina Abernethy, PA, PTA

NPI 1518039536ActiveIndividual· Physician Assistant· Windsor, CA

Physician Assistant (PA, PTA) with Permanente Medical Group Inc and 1 other group, practicing in Windsor, California. Their prescriptions cost Medicare Part D more than their services did: $130,276 for 1,004 claims, against $2,054 paid for services in 2024. Lists Providence Santa Rosa Memorial Hospital as a hospital affiliation.

Overview

NPI1518039536
StatusActive
Entity typeIndividual
CredentialPA, PTA
Sole proprietorNo
NPI issuedNov 14, 2006
Last updated in NPPESMay 26, 2022
Certified by providerMay 26, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Physician Assistant Primary363A00000X51580CA
Physical Therapy Assistant225200000XAT 8069CA

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 (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients55
Services billed55 across 5 procedure codes
Paid by Medicare$2,054

Part D prescriptions in 2024

Prescriptions (claims)1,004 · 1,200 30-day fills
Patients750
Total drug cost$130,276
Generic share89% of claims

Medicare sources and data years

Education and affiliations

Graduation year2011
Medicare specialtyPhysician Assistant

Medical groups

Hospital affiliation

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

Other Physician Assistant providers in Windsor

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