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Katharine A. Yao, MD

NPI 1184698060ActiveIndividual· Surgery, Surgical Oncology· Evanston, IL

Surgery, Surgical Oncology (MD) with Endeavor Health Medical Group, practicing in Evanston, Illinois. Mostly services rather than prescriptions: Medicare paid $90,195 for 358 patients in 2024, with only 19 Part D claims. Lists Northshore University Healthsystem - Evanston Hospital and 1 other hospital as hospital affiliations.

Overview

NPI1184698060
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedFeb 15, 2006
Last updated in NPPESSep 14, 2026
Certified by providerSep 14, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Surgery, Surgical Oncology Primary2086X0206X036095007IL
Surgery208600000X36095007IL

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 - Surgical Oncology (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients358
Services billed612 across 26 procedure codes
Paid by Medicare$90,195

Part D prescriptions in 2024

Prescriptions (claims)19 · 19 30-day fills
Patients16
Total drug cost$116.81
Generic share100% of claims

Medicare sources and data years

Education and affiliations

Graduation year1994
Medicare specialtySurgical Oncology
TelehealthOffers telehealth

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 Surgery, Surgical Oncology providers in Evanston

All Surgery, Surgical Oncology providers in Illinois