Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Mark Gregory Borek, MD

Individual provider Cardiovascular Disease Physician · NPI 1922012707

Dr. Mark Gregory Borek, MD is a Cardiovascular Disease (Cardiology) in East Setauket, New York. Graduated from State University of New York Downstate Medical Center in 1981, 45 years ago. Practices with Millennium Medical Professionals, PLLC, a 5-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
45
Trained at
State University of New York Downstate Medical Center
Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

26 Research Way
East Setauket, NY 11733
Phone: (631) 444-9970
Fax: (631) 444-5247
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 156922 (NY)

Record details

NPI number1922012707
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 28, 2006
Last updated in NPPESApril 1, 2011
Mailing addressNichols Road, Cardiology Division, Suny, Hsc, T16-080, Stony Brook, NY 11794-8167

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolSTATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER
Graduated 1981 (45 years in practice)
Group practice Millennium Medical Professionals, Pllc — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in East Setauket