What is Sean Marquis's specialty?

Sean Marquis (NPI 1053554089) is a Medicare-billing provider whose primary specialty is Emergency Medicine in Janesville, WI.

Where does Sean Marquis practice?

Sean Marquis practices in Janesville, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1053554089.

How much does Medicare pay Sean Marquis?

Sean Marquis (NPI 1053554089) received approximately $3K in total Medicare Part B payments, serving 32 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1053554089

Sean MarquisMD

PRACTICEMERCY HEALTH JANESVILLESee all providers at this practice →

Emergency MedicineJanesville, WII

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

113

Beneficiaries

—

Total drug cost

$623

Distinct drugs

Brand share

53.1%

Top prescribed drugs

Prednisone26 claims

Hydrocodone/Acetaminophen23 claims

Nitrofurantoin Monohyd/M-Cryst22 claims

Ondansetron15 claims

Azithromycin14 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 520066

Hospital

CCN 521357

Hospital

REFERRAL NETWORK

Where Sean Marquis'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). 1 inbound referrers · 4 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MERCY HEALTH SYSTEM CORPORATION	32	117

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
MERCY HEALTH SYSTEM CORPORATION	61	264
MERCY HEALTH SYSTEM CORPORATION	37	98
Paul Lee Diagnostic Radiology · Janesville, WI	15	23
David Henry Diagnostic Radiology · Cedar Rapids, IA	14	21

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