PROVIDER PROFILE · NPI 1710910880

Darin HarnischM.D.

Infectious DiseaseNiles, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,232

Unique beneficiaries

—

Total services

2,284

Distinct HCPCS

Medicare payment

$177K

Peer benchmark

Total Medicare services vs. 271 Infectious Disease providers in IL — top quintile (cohort median 701).

PRESCRIBING · PART D · 2024

Total Rx claims

291

Beneficiaries

—

Total drug cost

$518K

Distinct drugs

Brand share

48.1%

Top prescribed drugs

Doxycycline Hyclate60 claims

Emtricitabine/Tenofov Alafenam27 claims

Cefadroxil24 claims

Amoxicillin/Potassium Clav19 claims

Ethambutol Hcl18 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.

REFERRAL NETWORK

Where Darin Harnisch'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). 147 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PRESENCE CHICAGO HOSPITALS NETWORK	447	1,365
ADVOCATE HEALTH AND HOSPITALS CORPORATION	352	941
Sandhya Sathyakumar Infectious Disease · Niles, IL	241	547
Thomas Keane Interventional Radiology · Oak Brook, IL	202	545
SINGH, BHURJI	186	512
RAPOPORT, MYRA	173	443
Warren Brandwein Diagnostic Radiology · Chicago, IL	171	419
Superior Air-Ground Ambulance Service, Inc Ambulance Service Provider · Elmhurst, IL	152	331
Jeremy Simon Diagnostic Radiology · Chicago, IL	144	373
John Ciemins Diagnostic Radiology · Chicago, IL	134	363
SIEGFRIED, MICHAEL	117	307
John Phillips Diagnostic Radiology · Park Ridge, IL	116	276

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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