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Ather Ali, MD

NPI 1518308246ActiveIndividual· Hospitalist· Crystal Lake, IL

Hospitalist (MD) with Mercy Health System Corporation, practicing in Crystal Lake, Illinois. Mostly services rather than prescriptions: Medicare paid $2,657 for 30 patients in 2024, with only 42 Part D claims. Lists Mercy Harvard Hospital and 1 other hospital as hospital affiliations.

Overview

NPI1518308246
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 10, 2013
Last updated in NPPESJul 10, 2024
Certified by providerJul 10, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Hospitalist Primary208M00000X036144860IL
Family Medicine207Q00000X66068WI
Family Medicine207Q00000X036144860IL

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 - Family Practice (IL); Practitioner - Hospitalist (WI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients30
Services billed31 across 8 procedure codes
Paid by Medicare$2,657

Part D prescriptions in 2024

Prescriptions (claims)42 · 44 30-day fills
Total drug cost$1,354
Generic share95% of claims

Medicare sources and data years

Education and affiliations

Graduation year2007
Medicare specialtyFamily Practice
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 hospitalists in Crystal Lake

All hospitalists in Illinois