What is John Hayes's specialty?

John Hayes (NPI 1093770943) is a Medicare-billing provider whose primary specialty is Radiation Oncology in Madison, WI.

Where does John Hayes practice?

John Hayes practices in Madison, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1093770943.

How much does Medicare pay John Hayes?

John Hayes (NPI 1093770943) received approximately $156K in total Medicare Part B payments, serving 149 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1093770943

John HayesM.D.

Radiation OncologyMadison, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

710

Unique beneficiaries

—

Total services

2,090

Distinct HCPCS

Medicare payment

$153K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$708

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Mometasone Furoate40 claims

QUALITY · MIPS · 2024

Final MIPS score

95.2

Quality

83.0

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.85%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 140281

Hospital

REFERRAL NETWORK

Where John Hayes'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). 5 inbound referrers · 5 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NORTHWESTERN MEMORIAL HOSPITAL	109	1,838
NIMEIRI, HALLA	17	728
Eric Donnelly Radiation Oncology · Chicago, IL	16	604
Mary Mulcahy Medical Oncology · Chicago, IL	15	310
Sheetal Kircher Hematology-Oncology · Chicago, IL	14	588

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
NORTHWESTERN MEMORIAL HOSPITAL	127	1,514
NIMEIRI, HALLA	20	826
Sheetal Kircher Hematology-Oncology · Chicago, IL	18	718
Eric Donnelly Radiation Oncology · Chicago, IL	14	443
Mary Mulcahy Medical Oncology · Chicago, IL	13	353

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events