What is Mark Zweben's specialty?

Mark Zweben (NPI 1720067077) is a Medicare-billing provider whose primary specialty is Cardiology in Bear, DE.

Where does Mark Zweben practice?

Mark Zweben practices in Bear, DE, based on the location reported in the CMS Medicare provider datasets for NPI 1720067077.

How much does Medicare pay Mark Zweben?

Mark Zweben (NPI 1720067077) received approximately $554K in total Medicare Part B payments, serving 1,441 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1720067077

Mark ZwebenM.D.

CardiologyBear, DEI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,610

Unique beneficiaries

—

Total services

6,282

Distinct HCPCS

Medicare payment

$548K

Peer benchmark

Total Medicare services vs. 75 Cardiology providers in DE — above median (cohort median 4,644).

PRESCRIBING · PART D · 2024

Total Rx claims

6,825

Beneficiaries

—

Total drug cost

$1.2M

Distinct drugs

Brand share

27.7%

Top prescribed drugs

Atorvastatin Calcium673 claims

Carvedilol566 claims

Metoprolol Succinate498 claims

Lisinopril385 claims

Losartan Potassium383 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$242

Payment records

By payment type

Food and Beverage$242

Top paying entities

Food and Beverage$242

REFERRAL NETWORK

Where Mark Zweben'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). 78 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CHRISTIANA CARE HEALTH SERVICES, INC.	501	1,297
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	230	497
Yuanyuan Zhang Cardiology · Bear, DE	162	405
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	84	167
Bryan Franck Diagnostic Radiology · Newark, DE	74	125
ST. FRANCIS HOSPITAL INC.	69	218
Stephen Blumberg Clinical Cardiac Electrophysiology · Dover, DE	67	125
Vinay Hosmane Cardiology · Wilmington, DE	55	202
Kristina Siddall Diagnostic Radiology · North Miami, FL	45	78
Union Hospital Of Cecil County Clinical Laboratory · Elkton, MD	40	122
Daniel Maloney Diagnostic Radiology · Newark, DE	39	52
Shabbir Naqvi Diagnostic Radiology · Hockessin, DE	38	60

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