About Us

Manhasset Medical Associates was established in 1999 by Maria Brountzas, MD, Florence Barricelli, MD, Stephen Tranchina, MD, Michael Mannino, MD, Thomas Nicosia, MD, and Kevin Tack, MD. Since inception, we’ve continued to take a patient-based approach to treatment while evolving with each new innovation in the medical field. In an effort to offer today’s most advanced treatment options, we’ve outfitted our facility with the latest technology and equipment.

Manhasset Medical Associates  joined the Mount Sinai Health System in 2014. Patients now have access to more advanced facilities and diverse treatment options. As a recognized Mount Sinai physician practice, our doctors and specialists work in conjunction with the finest collection of medical professionals throughout the entire New York City region.  We promote a patient-based approach to treatment.

The physicians at Mount Sinai Doctors Manhasset employ a comprehensive approach while administering a diverse array of medical treatments, from bone density screenings to specialized procedures performed by skilled cardiologists.

Mount Sinai Doctors Manhasset is a multispecialty practice with board certified physicians serving patients in Long Island and throughout the Tri-state area. For over a decade, our dedication to innovation and physician excellence has allowed the residents of Eastern Queens, Nassau County, and Suffolk County to receive the finest in patient care. Whether performing standard health screenings or advanced echocardiograms, our 13 doctors are consistently making strides toward establishing a happier and healthier community.

Primary Care

At Mount Sinai Doctors Manhasset, we believe that prevention is the first step in staying healthy, so our patients have access to an array of precautionary tests and treatments. Please refer to the list below, which offers a comprehensive view of the services we offer:

  • Annual history and physical exam
  • Cardiovascular screenings
  • Cancer tests
    • Breast cancer screening (mammograms)
    • Cervical and vaginal cancer screening (Pap Test)
    • Colon cancer screening (colorectal)
    • Prostate cancer screening (PSA)
  • Vaccines
    • Flu
    • Pneumococcal
    • Hepatitis B
  • Bone mass measurements
  • Diabetes screening, supplies, and self-management training
  • Glaucoma tests
  • CDC travelers’ health vaccinations

Please check with your individual health insurance plan regarding coverage for the above mentioned services.

Practice Information

Mount Sinai Doctors Manhasset
1155 Northern Boulevard
Manhasset, NY 11030
Phone: 516-407-4000