PROVIDER PROFILE · NPI 1285640458

Eugenia HahnM.D.

Allergy/ ImmunologyChicago, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$3K

Peer benchmark

Total Medicare services vs. 145 Allergy/ Immunology providers in IL — bottom quintile (cohort median 2,013).

PRESCRIBING · PART D · 2024

Total Rx claims

669

Beneficiaries

—

Total drug cost

$732K

Distinct drugs

Brand share

44.7%

Top prescribed drugs

Omalizumab104 claims

Azelastine Hcl92 claims

Montelukast Sodium76 claims

Fluticasone Propionate73 claims

Dupilumab65 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 140150

Hospital

REFERRAL NETWORK

Where Eugenia Hahn's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 2 inbound referrers · 5 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ADVOCATE HEALTH AND HOSPITALS CORPORATION	12	47
CENTEGRA CLINICAL LABORATORIES, LLC	11	42

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Noga Askenazi Allergy/ Immunology · Crystal Lake, IL	21	163
ADVOCATE HEALTH AND HOSPITALS CORPORATION	14	58
CENTEGRA CLINICAL LABORATORIES, LLC	13	45
ADVOCATE SHERMAN HOSPITAL	13	54
NORTHERN ILLINOIS MEDICAL CENTER	13	30

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history