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Alya N. Ahsan, DO

NPI 1962813907ActiveIndividual· Hospitalist· Evanston, IL

Hospitalist (DO) with Endeavor Health Medical Group, practicing in Evanston, Illinois. 171 Medicare patients in 2024, $43,127 paid; nearly all of their 79 Part D prescriptions were generic (95%). Lists Northshore University Healthsystem - Evanston Hospital and 1 other hospital as hospital affiliations.

Overview

NPI1962813907
StatusActive
Entity typeIndividual
CredentialDO
Sole proprietorNo
NPI issuedMay 13, 2014
Last updated in NPPESOct 7, 2019
ReactivatedFeb 18, 2015

Specialties and licenses

TaxonomyCodeLicenseState
Hospitalist Primary208M00000X036.141839IL
Internal Medicine207R00000X036141839IL

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 - Hospitalist (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients171
Services billed484 across 13 procedure codes
Paid by Medicare$43,127

Part D prescriptions in 2024

Prescriptions (claims)79 · 83 30-day fills
Total drug cost$1,217
Generic share95% of claims

Medicare sources and data years

Education and affiliations

Graduation year2010
Medicare specialtyHospitalist
Secondary specialtiesInternal Medicine

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 Evanston

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