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Thomas Sami Assali, DO

NPI 1598225062ActiveIndividual· Internal Medicine· Corona, CA

Internal Medicine (DO) with Southern California Permanente Medical Group, practicing in Corona, California. Part D covered 626 prescriptions written in 2024, 87% of them generic. Lists Kaiser Foundation Hospital, Riverside as a hospital affiliation.

Overview

NPI1598225062
StatusActive
Entity typeIndividual
CredentialDO
Sole proprietorNo
NPI issuedMar 21, 2019
Last updated in NPPESNov 21, 2022
Certified by providerJun 19, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X20A19758CA

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 - Internal Medicine (CA)

Part D prescriptions in 2024

Prescriptions (claims)626 · 1,180 30-day fills
Patients199
Total drug cost$25,558
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Graduation year2019
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliation

Source: CMS Care Compare

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 Corona

All 85 internal medicine physicians in Corona · All internal medicine physicians in California