What is William Espar's specialty?

William Espar (NPI 1952396855) is a Medicare-billing provider whose primary specialty is Cardiology in Michigan City, IN.

Where does William Espar practice?

William Espar practices in Michigan City, IN, based on the location reported in the CMS Medicare provider datasets for NPI 1952396855.

How much does Medicare pay William Espar?

William Espar (NPI 1952396855) received approximately $134K in total Medicare Part B payments, serving 1,723 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1952396855

William EsparM.D.

CardiologyMichigan City, INI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,213

Unique beneficiaries

—

Total services

3,771

Distinct HCPCS

Medicare payment

$119K

Peer benchmark

Total Medicare services vs. 377 Cardiology providers in IN — top quintile (cohort median 2,155).

PRESCRIBING · PART D · 2024

Total Rx claims

5,137

Beneficiaries

—

Total drug cost

$759K

Distinct drugs

Brand share

30.2%

Top prescribed drugs

Atorvastatin Calcium482 claims

Metoprolol Succinate454 claims

Furosemide278 claims

Amlodipine Besylate277 claims

Lisinopril246 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$815

Payment records

By payment type

Food and Beverage$815

Top paying entities

Food and Beverage$815

REFERRAL NETWORK

Where William Espar'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). 92 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Sammi Dali Interventional Cardiology · Michigan City, IN	301	996
Brendan Banyon Diagnostic Radiology · Grand Rapids, MI	245	511
La Porte County Auditor Ambulance Service Provider · La Porte, IN	244	489
Richard Dobben Diagnostic Radiology · Michigan City, IN	216	413
Vidya Kora Internal Medicine · Michigan City, IN	185	845
Aparajita Das Cardiology · Maywood, IL	168	406
Steven Marchioni Diagnostic Radiology · Roanoke, IN	162	325
Bikash Agarwal Internal Medicine · Michigan City, IN	158	482
Paul Cheng Cardiology · Elkhart, IN	150	455
Hitendrakumar Patel Internal Medicine · Michigan City, IN	139	417
June Brown Emergency Medicine · Michigan City, IN	132	298
KIM, HEE	109	206

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