Summary

Dr. Mark Borek is a cardiovascular disease specialist with expertise in critical care medicine. He earned his medical degree from SUNY Downstate Medical Center College of Medicine and completed his residency at Long Island College Hospital. With 45 years of experience in cardiology, Dr. Borek brings extensive knowledge to treating complex heart conditions. He is fluent in both English and Spanish.

Dr. Borek practices at Stony Brook University Hospital, Saint Catherine of Siena Medical Center, and Mather Hospital with locations throughout Smithtown, Port Jefferson Station, Stony Brook, and Port Jefferson, New York. He specializes in treating breathing problems and high blood pressure. His expertise includes performing heart ultrasounds, contrast heart imaging, and stress tests to evaluate cardiac function. Patients rate Dr. Borek 4.6 out of 5 stars on Vitals.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 4.6
  • 45 years of experience
  • speaks English, Spanish
  • Long Island College Hospital
  • 4 written reviews
  • 2 specialties
  • 21 areas of expertise
  • 2 board certifications
  • 3 hospital affiliations
  • 5 office locations
  • Male

Office Locations

Dr. Mark Gregory Borek has 5 locations

Island Cardiovascular Associates Llc

496 Smithtown Byp Ste 101Smithtown, NY 11787
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Island Cardiovascular Associates Llc

5225 Nesconset Hwy Ste 23Port Jefferson Station, NY 11776
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Stony Brook University Hospital

101 Nicolls RdStony Brook, NY 11794

Mather Hospital

75 N Country RdPort Jefferson, NY 11777

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Dr. Mark Gregory Borek, MD
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Dr. Mark Gregory Borek, MDDr. Michael L. Schwartz, MDDr. Raghav Sharma, MDDr. Marlon Steven Rosenbaum, MD
Cardiovascular DiseaseCardiovascular DiseaseCardiovascular DiseaseCardiovascular Disease
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.6 
4.5 
4.2 
45 Years of Experience 38 Years of Experience 16 Years of Experience 46 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English, Hindi Speaks English, Spanish
Smithtown , NYPomona , NYWinter Park , FLNew York , NY
Med School: Suny Downstate Medical Center College Of Medicine Med School: University Of South Florida Health Morsani College Of Medicine Med School: New York Medical College Med School: New York University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Mark Gregory Borek

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Mark Gregory Borek has the following 2 specialties

Specialty Expertise

Dr. Mark Gregory Borek has the following 21 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Arrhythmia
  • Atherosclerosis
  • Atrial Fibrillation
  • Blood Clot
  • Chest Pain (Angina)
  • Coronary Disease
  • Critical Care Medicine
  • Echocardiography
  • Fainting (Syncope)
  • Heart Attack
  • Heart Block
  • Heart Catheterization
  • Heart Diseases
  • Heart Failure
  • Heart Valve Diseases
  • High Blood Pressure (Hypertension)
  • High Cholesterol
  • Hypertension
  • Stroke
  • Unstable Angina

Certifications, License, & Education

45 Years Experience

MEDICAL LICENSE

Medical Doctor, New York, 2026, Active

EDUCATION & TRAINING

Residency

Long Island College Hospital

Medical School

Suny Downstate Medical Center College Of MedicineGraduated in 1981

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Frequently Asked Questions

Does Dr. Mark Borek accept my insurance?
You can see the insurance plans that Dr. Mark Borek accepts on their Vitals profile.
Does Dr. Mark Borek accept virtual/telehealth appointments?
Dr. Mark Borek has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Mark Borek affiliated with?
Dr. Mark Borek is affiliated with STONY BROOK UNIVERSITY HOSPITAL, Saint Catherine Of Siena Medical Center, and Mather Hospital.
Is Dr. Mark Borek accepting new patients?
Dr. Mark Borek is accepting new patients on Vitals. View Dr. Mark Borek's profile on Vitals to make an appointment.
Where is Dr. Mark Borek's office located?
Dr. Mark Borek's office is located at 496 Smithtown Byp Ste 101, Smithtown, NY, 11787.

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