PROVIDER PROFILE · NPI 1982781373

Darren O'neillM.D.

Radiation OncologyMilwaukee, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,721

Unique beneficiaries

—

Total services

196,440

Distinct HCPCS

Medicare payment

$69K

Peer benchmark

Total Medicare services vs. 124 Radiation Oncology providers in WI — top quintile (cohort median 1,156).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

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 Darren O'neill'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). 67 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
INDIANA UNIVERSITY HEALTH INC	387	723
INDIANA UNIVERSITY HEALTH WEST HOSPITAL INC	124	188
INDIANA UNIVERSITY HEALTH BALL MEMORIAL HOSPITAL, INC.	110	182
Jeffrey Mossler Internal Medicine · Indianapolis, IN	86	120
Karen Fitzgerald Diagnostic Radiology · Indianapolis, IN	66	81
Richard Kovacs Cardiology · Indianapolis, IN	51	68
Amy Rhodes Diagnostic Radiology · Indianapolis, IN	48	66
Andrea Tompkins Diagnostic Radiology · Indianapolis, IN	44	63
Atul Agarwal Diagnostic Radiology · Indianapolis, IN	43	54
Sean Gussick Diagnostic Radiology · Indianapolis, IN	43	65
Chao-Wen Lee Cardiology · Hollywood, FL	38	47
Seals Ambulance Service, Inc. Ambulance Service Provider · Indianapolis, IN	36	48

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