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Joseph S. Demattia, P.A.-C

NPI 1265547087ActiveIndividual· Physician Assistant· Wildomar, CA

Physician Assistant (P.A.-C) in Wildomar, California, licensed in CA, with an NPI issued in August 2006. Part D covered 7,082 prescriptions written in 2024, 91% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 20 companies reporting payments in 2025, $1,616 in all, mostly food and beverage.

Overview

NPI1265547087
StatusActive
Entity typeIndividual
CredentialP.A.-C
Sole proprietorNo
NPI issuedAug 20, 2006
Last updated in NPPESOct 30, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Physician Assistant Primary363A00000XPA13663CA

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 (CA)

Part D prescriptions in 2024

Prescriptions (claims)7,082 · 13,360 30-day fills
Patients873
Total drug cost$814,316
Generic share91% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$1,616 · 85 payments from 20 companies
  • 2024$1,691 · 81 payments from 25 companies

Top paying companies in 2025

CompanyAmountPayments
Astrazeneca Pharmaceuticals LP$250.4617
Glaxosmithkline, LLC.$174.1410
Novo Nordisk Inc$157.465
Abbvie Inc.$156.828
Lilly USA, LLC$149.009

What the 2025 payments were for

  • Food and Beverage$1,616 · 85 payments

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

Other Physician Assistant providers in Wildomar

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