What is Mark Borek's specialty?

Mark Borek (NPI 1922012707) is a Medicare-billing provider whose primary specialty is Cardiology in East Setauket, NY.

Where does Mark Borek practice?

Mark Borek practices in East Setauket, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1922012707.

How much does Medicare pay Mark Borek?

Mark Borek (NPI 1922012707) received approximately $1.6M in total Medicare Part B payments, serving 1,165 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1922012707

Mark BorekM.D.

PRACTICEDIALYSIS CLINIC INC.See all providers at this practice →

CardiologyEast Setauket, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

5,090

Unique beneficiaries

—

Total services

9,124

Distinct HCPCS

Medicare payment

$1.6M

Peer benchmark

Total Medicare services vs. 1,949 Cardiology providers in NY — top quintile (cohort median 2,081).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

79.0

Quality

84.2

Cost

51.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.17%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$936

Payment records

By payment type

Food and Beverage$936

Top paying entities

Food and Beverage$936

REFERRAL NETWORK

Where Mark Borek'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). 46 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Abhay Malhotra Cardiology · Smithtown, NY	128	196
Michael Rosenband Interventional Cardiology · Smithtown, NY	109	218
Jyoti Ganguly Cardiology · Smithtown, NY	104	178
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Melville, NY	88	315
NPI 1417924523	62	109
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	54	108
William Kainzbauer Diagnostic Radiology · West Islip, NY	50	89
JOHN T. MATHER MEMORIAL HOSPITAL	41	112
Sunrise Medical Laboratories, Inc. Clinical Laboratory · Hicksville, NY	34	89
NPI 1265587000	32	119
Asaph Zimmerman Diagnostic Radiology · West Islip, NY	30	44
ST. CHARLES HOSPITAL	29	77

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