What is Sean Shannahan's specialty?

Sean Shannahan (NPI 1831179571) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Madison, WI.

Where does Sean Shannahan practice?

Sean Shannahan practices in Madison, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1831179571.

How much does Medicare pay Sean Shannahan?

Sean Shannahan (NPI 1831179571) received approximately $139K in total Medicare Part B payments, serving 3,639 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1831179571

Sean ShannahanMD

PRACTICEMADISON RADIOLOGISTS S CSee all providers at this practice →

Diagnostic RadiologyMadison, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

4,468

Unique beneficiaries

—

Total services

11,472

Distinct HCPCS

Medicare payment

$112K

Peer benchmark

Total Medicare services vs. 749 Diagnostic Radiology providers in WI — top quintile (cohort median 2,525).

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 Sean Shannahan'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). 194 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SSM HEALTH CARE OF WISCONSIN, INC.	812	1,383
SSM HEALTH CARE OF WISCONSIN, INC.	155	303
SSM HEALTH CARE OF WISCONSIN INC	115	236
Jeffrey Klein Diagnostic Radiology · Madison, WI	111	218
BLOCK, JEFFREY	109	222
Douglas Kitchin Diagnostic Radiology · Madison, WI	107	229
Emily Norman Diagnostic Radiology · Tulsa, OK	106	160
Benjamin Kleiber Cardiology · Madison, WI	100	185
Sheng-Jing Dong Cardiology · Madison, WI	96	165
Cary Shlimovitz Diagnostic Radiology · Tucson, AZ	95	189
Samuel Gibson Diagnostic Radiology · Madison, WI	92	156
Gregg Bogost Diagnostic Radiology · Madison, WI	90	164

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