PROVIDER PROFILE · NPI 1538102843

Erwin MermelsteinM.D.

CardiologyEast Brunswick, NJI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,857

Unique beneficiaries

—

Total services

3,520

Distinct HCPCS

Medicare payment

$203K

Peer benchmark

Total Medicare services vs. 891 Cardiology providers in NJ — above median (cohort median 2,933).

PRESCRIBING · PART D · 2024

Total Rx claims

6,603

Beneficiaries

—

Total drug cost

$1.1M

Distinct drugs

Brand share

17.6%

Top prescribed drugs

Atorvastatin Calcium907 claims

Rosuvastatin Calcium707 claims

Ezetimibe657 claims

Amlodipine Besylate633 claims

Metoprolol Succinate515 claims

QUALITY · MIPS · 2024

Final MIPS score

98.5

Quality

84.3

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.99%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$133

Payment records

By payment type

Food and Beverage$133

REFERRAL NETWORK

Where Erwin Mermelstein'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). 73 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ROBERT WOOD JOHNSON UNIVERSITY HOSPITAL, INC	296	1,202
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	199	551
SAINT PETER'S UNIVERSITY HOSPITAL	147	456
Amit Kalra Cardiology · East Brunswick, NJ	114	396
Dwayne Siu Clinical Cardiac Electrophysiology · East Brunswick, NJ	110	440
Marc Scheiner Clinical Cardiac Electrophysiology · East Brunswick, NJ	106	394
Dory Altmann Interventional Cardiology · East Brunswick, NJ	105	563
Jeanne Demoss Internal Medicine · East Brunswick, NJ	81	262
David Schaer Cardiology · East Brunswick, NJ	79	532
Anthony Altobelli Cardiology · East Brunswick, NJ	74	290
Daniel Shindler Cardiology · New Brunswick, NJ	70	222
Liliana Cohen Cardiology · Florham Park, NJ	67	249

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