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Oluwaseyi Segun Balasire, M.D.

NPI 1003235243ActiveIndividual· Hospitalist· Castro Valley, CA

Hospitalist (M.D.) with Sutter Bay Medical Foundation, practicing in Castro Valley, California. Their prescriptions cost Medicare Part D more than their services did: $5,426 for 82 claims, against $2,017 paid for services in 2024. Lists Alta Bates Summit Medical Center and 1 other hospital as hospital affiliations.

Overview

NPI1003235243
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedApr 15, 2014
Last updated in NPPESMar 7, 2023

Specialties and licenses

TaxonomyCodeLicenseState
Hospitalist Primary208M00000XA152926CA
Internal Medicine207R00000X1118626CA
Internal Medicine207R00000X56261TN

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); Practitioner - Internal Medicine (TN); Practitioner - Internal Medicine (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients16
Services billed16 across 2 procedure codes
Paid by Medicare$2,017

Part D prescriptions in 2024

Prescriptions (claims)82 · 86 30-day fills
Total drug cost$5,426
Generic share66% of claims

Medicare sources and data years

Education and affiliations

Graduation year2009
Medicare specialtyInternal Medicine
Secondary specialtiesHospitalist

Medical group

Hospital affiliations

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 Hospitalist providers in Castro Valley

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