NPI Lens

Maria Ait Rais, M.D.

NPI 1811239304ActiveIndividual· Hospitalist· Castro Valley, CA

Hospitalist (M.D.) with Sutter Bay Medical Foundation, practicing in Castro Valley, California. In 2024 Medicare paid $71,026 for 313 patients, and Part D covered 312 of their prescriptions, 84% of them generic. Lists Eden Medical Center as a hospital affiliation.

Overview

NPI1811239304
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMar 22, 2013
Last updated in NPPESMar 21, 2017

Specialties and licenses

TaxonomyCodeLicenseState
Hospitalist Primary208M00000XA124306CA
Internal Medicine207R00000XA124306CA

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 - Hospitalist (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients313
Services billed713 across 11 procedure codes
Paid by Medicare$71,026

Part D prescriptions in 2024

Prescriptions (claims)312 · 334 30-day fills
Patients102
Total drug cost$33,875
Generic share84% of claims

Medicare sources and data years

Education and affiliations

Graduation year2004
Medicare specialtyHospitalist
Secondary specialtiesInternal Medicine

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 Hospitalist providers in Castro Valley

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