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Lawrence Matsuo Okumoto

NPI 1902546906ActiveIndividual· Internal Medicine· Lancaster, CA

Internal Medicine in Lancaster, California, licensed in CA, with an NPI issued in March 2022. Part D covered 101 prescriptions written in 2024, 87% of them generic.

Overview

NPI1902546906
StatusActive
Entity typeIndividual
Sole proprietorNo
NPI issuedMar 30, 2022
Last updated in NPPESSep 11, 2026
Certified by providerSep 11, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XA-201117CA

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)Not in the public enrollment file of Oct 1, 2026

Part D prescriptions in 2024

Prescriptions (claims)101 · 150 30-day fills
Patients31
Total drug cost$5,070
Generic share87% of claims

Medicare sources and data years

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other internal medicine physicians in Lancaster

All 79 internal medicine physicians in Lancaster · All internal medicine physicians in California