What is Stephen Mezzafonte's specialty?

Stephen Mezzafonte (NPI 1649443649) is a Medicare-billing provider whose primary specialty is Interventional Cardiology in Roslyn, NY.

Where does Stephen Mezzafonte practice?

Stephen Mezzafonte practices in Roslyn, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1649443649.

How much does Medicare pay Stephen Mezzafonte?

Stephen Mezzafonte (NPI 1649443649) received approximately $628K in total Medicare Part B payments, serving 2,507 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1649443649

Stephen MezzafonteM.D.

Interventional CardiologyRoslyn, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

5,479

Unique beneficiaries

—

Total services

7,357

Distinct HCPCS

Medicare payment

$611K

Peer benchmark

Total Medicare services vs. 224 Interventional Cardiology providers in NY — top quintile (cohort median 1,390).

PRESCRIBING · PART D · 2024

Total Rx claims

9,826

Beneficiaries

—

Total drug cost

$1.8M

Distinct drugs

Brand share

23.7%

Top prescribed drugs

Metoprolol Succinate1,153 claims

Atorvastatin Calcium929 claims

Rosuvastatin Calcium856 claims

Amlodipine Besylate565 claims

Apixaban400 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$343

Payment records

By payment type

Food and Beverage$343

Top paying entities

Food and Beverage$343

REFERRAL NETWORK

Where Stephen Mezzafonte'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). 111 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ST. FRANCIS HOSPITAL	582	1,792
David Hoch Clinical Cardiac Electrophysiology · Roslyn, NY	523	1,615
GOODMAN, KENNETH	306	1,255
Kenneth Crystal Diagnostic Radiology · New Hyde Park, NY	244	878
Scott Sherman Diagnostic Radiology · Roslyn, NY	175	510
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Melville, NY	164	627
Alan Zakheim Diagnostic Radiology · Roslyn, NY	156	542
Northwell Health Laboratories Clinical Laboratory · New Hyde Park, NY	112	452
Menachem Mandell Diagnostic Radiology · West Nyack, NY	95	344
Sunrise Medical Laboratories, Inc. Clinical Laboratory · Hicksville, NY	95	274
HUNTER EMS INC.	93	223
Alan Lampert Family Practice · Northport, NY	71	204

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