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Dr. John A Ostuni, MD

Accepting patients

    Overview

    Dr. John Ostuni, MD is an Endocrinologist (Diabetes & Hormones Specialist), who primarily practices in Freeport, NY. He has been practicing for over 46 years and is board certified by the American Board of Internal Medicine. Dr. Ostuni graduated from State University of New York Downstate Medical Center College of Medicine and completed his residency at Nassau Co Med Ctr, Endocrinology, Diabetes & Metabolism; Nassau Co Med Ctr, Internal Medicine. Dr. Ostuni is fluent in English and French, and is currently seeing new patients. Dr. Ostuni’s practice accepts Cigna, Humana Health, Aetna, Blue Cross Blue Shield (BCBS), Medicaid, Medicare, Bravo Health and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ostuni’s office at (516) 379-3139.

    Medical Specialties and Areas of Expertise

    Endocrinologist (Diabetes & Hormones Specialist)

    Internist

    Education & Training

    Nassau Co Med Ctr, Endocrinology, Diabetes & Metabolism; Nassau Co Med Ctr, Internal Medicine (Residency)

    Nassau University Medical Center (Internship)

    Nassau University Medical Center Program (Residency)

    Other Degree - Suny-Hlth Sci Ctr At Brooklyn, Coll of Med, Brooklyn Ny

    Medical Degree - State University of New York Downstate Medical Center College of Medicine

    Board Certifications

    American Board of Internal Medicine

    Languages

    French

    Medical Conditions Treated

    conditions treated by an Endocrinologist (Diabetes & Hormones Specialist), like Dr. John Ostuni, may include:

    Please contact Dr. Ostuni's office for more information or to schedule a consultation.

    Insurances

    Top Insurances

    • Aetna

    • Blue Cross Blue Shield (BCBS)

    • Bravo Health

    • Cigna

    • Humana Health

    • Medicaid

    • Medicare

    View All Insurances

    Locations

    Practice At 155 W Merrick Rd Suite 101

    155 W Merrick Rd

    Suite 101

    Freeport, NY 11520

    (516) 379-3139

    Get Directions

    Frequently Asked Questions

    Is Dr. John Ostuni accepting new patients?

    Yes, Dr. John Ostuni is accepting new patients at this time.

    Does Dr. John Ostuni offer online booking?

    Please contact Dr. Ostuni's office at (516) 379-3139 for information about online booking, telehealth, or to schedule an appointment.

    Does Dr. John Ostuni offer telehealth appointments?

    Please contact Dr. Ostuni's office at (516) 379-3139 for information telehealth appointment availability or for scheduling assistance.

    Which language(s) does Dr. John Ostuni speak?

    Dr. John Ostuni speaks English and French.

    Which board certifications does Dr. John Ostuni have?

    Dr. John Ostuni is certified by the American Board of Internal Medicine.

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