What is Mark Stephan's specialty?

Mark Stephan (NPI 1578550794) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Lafayette, LA.

Where does Mark Stephan practice?

Mark Stephan practices in Lafayette, LA, based on the location reported in the CMS Medicare provider datasets for NPI 1578550794.

How much does Medicare pay Mark Stephan?

Mark Stephan (NPI 1578550794) received approximately $160K in total Medicare Part B payments, serving 4,129 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1578550794

Mark StephanMD

PRACTICELOURDES IMAGING CENTER LLCSee all providers at this practice →

Diagnostic RadiologyLafayette, LAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

5,437

Unique beneficiaries

—

Total services

5,750

Distinct HCPCS

Medicare payment

$146K

Peer benchmark

Total Medicare services vs. 384 Diagnostic Radiology providers in LA — top quintile (cohort median 2,476).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

100.0

Cost

0.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

1.05%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Mark Stephan'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). 199 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Acadian Ambulance Service, Inc. Ambulance Service Provider · Lafayette, LA	819	1,762
THE REGIONAL HEALTH SYSTEM OF ACADIANA, LLC	573	1,026
Benjamin Henderson Diagnostic Radiology · Greenville, SC	375	847
Patrick Boyle Diagnostic Radiology · New Orleans, LA	354	803
OUR LADY OF THE LAKE HOSPITAL INC.	324	574
HEART HOSPITAL OF ACADIANA, LLC	290	519
Paul Billeaud Diagnostic Radiology · Mobile, AL	257	544
ABBEVILLE GENERAL HOSPITAL	250	490
Nicholas Lemoine Diagnostic Radiology · New Orleans, LA	243	474
MILLER, ROMNEY	228	504
Richard Vanbergen Diagnostic Radiology · New Iberia, LA	228	473
LAFAYETTE GENERAL MEDICAL CENTER INC	217	475

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events