What is William Stephan's specialty?

William Stephan (NPI 1851344931) is a Medicare-billing provider whose primary specialty is Interventional Cardiology in Naperville, IL.

Where does William Stephan practice?

William Stephan practices in Naperville, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1851344931.

How much does Medicare pay William Stephan?

William Stephan (NPI 1851344931) received approximately $1.4M in total Medicare Part B payments, serving 1,763 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1851344931

William StephanMD

PRACTICEMIDWEST CARDIOVASCULAR INSTITUTE SCSee all providers at this practice →

Interventional CardiologyNaperville, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

4,692

Unique beneficiaries

—

Total services

6,205

Distinct HCPCS

Medicare payment

$1.4M

Peer benchmark

Total Medicare services vs. 238 Interventional Cardiology providers in IL — top quintile (cohort median 2,866).

PRESCRIBING · PART D · 2024

Total Rx claims

5,346

Beneficiaries

—

Total drug cost

$680K

Distinct drugs

Brand share

18.5%

Top prescribed drugs

Metoprolol Succinate804 claims

Atorvastatin Calcium732 claims

Rosuvastatin Calcium374 claims

Losartan Potassium338 claims

Amlodipine Besylate241 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$4K

Payment records

By payment type

Travel and Lodging$3K

Food and Beverage$1K

Top paying entities

Travel and Lodging$3K

Food and Beverage$1K

REFERRAL NETWORK

Where William 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). 93 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
EDWARD HOSPITAL	1,102	5,078
Alan Nazerian Diagnostic Radiology · Oak Brook, IL	153	579
SHERMAN, LEONARD	136	507
Timothy Larkin Interventional Cardiology · Beverly, MA	134	342
Moeen Saleem Clinical Cardiac Electrophysiology · Naperville, IL	121	400
Amaar Malik Diagnostic Radiology · Naperville, IL	117	398
Alan Brown Interventional Cardiology · Naperville, IL	115	297
Anand Ramanathan Interventional Cardiology · Naperville, IL	101	402
Victor Hu Diagnostic Radiology · Naperville, IL	92	303
Justin Mao Clinical Cardiac Electrophysiology · Downers Grove, IL	81	362
Paul Backas Diagnostic Radiology · Naperville, IL	74	221
Morgan Johnson Nurse Practitioner · Nashville, TN	74	162

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