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Kari Christine Tjossem, PA-C

NPI 1427694553ActiveIndividual· Physician Assistant· New York, NY

Physician Assistant (PA-C) in New York, New York, licensed in NY, with an NPI issued in November 2019. Enrolled in Medicare as practitioner - physician assistant. Shield Therapeutics Inc was the largest of 12 companies reporting payments in 2025, $843.07 in all, mostly food and beverage.

Overview

NPI1427694553
StatusActive
Entity typeIndividual
CredentialPA-C
Sole proprietorNo
NPI issuedNov 25, 2019
Last updated in NPPESNov 25, 2019

Specialties and licenses

TaxonomyCodeLicenseState
Physician Assistant Primary363A00000X023845-01NY

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 (GA)

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$843.07 · 32 payments from 12 companies
  • 2024$484.55 · 26 payments from 14 companies

Top paying companies in 2025

CompanyAmountPayments
Shield Therapeutics Inc$242.886
Astellas Pharma US Inc$155.577
Sumitomo Pharma America, Inc.$119.212
Abbvie Inc.$96.025
Exact Sciences Corporation$46.802

What the 2025 payments were for

  • Food and Beverage$843.07 · 32 payments

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

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