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Maciej Gerard Ossowski, M. D.

NPI 1346207883ActiveIndividual· Family Medicine· Merced, CA

Family Medicine (M. D.) with Provident Primary Care Inc, practicing in Merced, California. Their prescriptions cost Medicare Part D more than their services did: $304,169 for 3,355 claims, against $110,779 paid for services in 2024. Novo Nordisk Inc was the largest of 7 companies reporting payments in 2025, $224.08 in all, mostly food and beverage.

Overview

NPI1346207883
StatusActive
Entity typeIndividual
CredentialM. D.
Sole proprietorYes
NPI issuedApr 27, 2006
Last updated in NPPESJul 19, 2012

Specialties and licenses

TaxonomyCodeLicenseState
Family Medicine Primary207Q00000X00A383800CA

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 - Family Practice (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients256
Services billed1,856 across 29 procedure codes
Paid by Medicare$110,779

Part D prescriptions in 2024

Prescriptions (claims)3,355 · 6,389 30-day fills
Patients174
Total drug cost$304,169
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Graduation year1973
Medicare specialtyFamily Practice
TelehealthOffers telehealth

Medical group

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$224.08 · 11 payments from 7 companies
  • 2024$89.43 · 4 payments from 4 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$224.08 · 11 payments

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

Other Family Medicine providers in Merced

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