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Grzegorz Majcher, M.D.

NPI 1003849233ActiveIndividual· Specialist· Torrance, CA

Specialist (M.D.) in Torrance, California, licensed in CA, with an NPI issued in July 2006. In 2024 Medicare paid $311,812 for 351 patients, and Part D covered 2,224 of their prescriptions, 84% of them generic. Lists Providence Little Company of Mary Med Ctr Torrance and 1 other hospital as hospital affiliations.

Overview

NPI1003849233
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedJul 9, 2006
Last updated in NPPESJul 9, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Specialist Primary174400000XA54351CA

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 - Internal Medicine (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients351
Services billed2,623 across 17 procedure codes
Paid by Medicare$311,812

Part D prescriptions in 2024

Prescriptions (claims)2,224 · 4,891 30-day fills
Patients194
Total drug cost$362,724
Generic share84% of claims

Medicare sources and data years

Education and affiliations

Graduation year1989
Medicare specialtyInternal Medicine
Secondary specialtiesNephrology

Hospital affiliations

Other facilities

Source: CMS Care Compare

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