What is Ellen Marchese's specialty?

Ellen Marchese (NPI 1730309907) is a Medicare-billing provider whose primary specialty is Infectious Disease in Hempstead, NY.

Where does Ellen Marchese practice?

Ellen Marchese practices in Hempstead, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1730309907.

How much does Medicare pay Ellen Marchese?

Ellen Marchese (NPI 1730309907) received approximately $58K in total Medicare Part B payments, serving 368 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1730309907

Ellen MarcheseMD

Infectious DiseaseHempstead, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

464

Unique beneficiaries

—

Total services

612

Distinct HCPCS

Medicare payment

$57K

Peer benchmark

Total Medicare services vs. 549 Infectious Disease providers in NY — above median (cohort median 348).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$113K

Distinct drugs

Brand share

60.6%

Top prescribed drugs

Bictegrav/Emtricit/Tenofov Ala20 claims

Lisinopril13 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Ellen Marchese'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). 110 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Raul Mendoza Cardiology · Lawrence, NY	407	900
Andrew Hwang Diagnostic Radiology · Anaheim, CA	288	683
Sydney Yoon Diagnostic Radiology · Oceanside, NY	240	652
David Pfeffer Diagnostic Radiology · West Islip, NY	175	449
Ari Steiner Diagnostic Radiology · Garden City, NY	172	405
Pilar Stevens-Haynes Cardiology · Oceanside, NY	144	268
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Melville, NY	88	263
Seniorcare Emergency Medical Services Inc. Ambulance Service Provider · Bronx, NY	76	170
TEIGMAN, MICHAEL	75	129
ROSNER, LOUIS	71	132
Stephen Covey Interventional Cardiology · Rockville Centre, NY	66	148
Steve Mermelstein Pulmonary Disease · Lynbrook, NY	61	178

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