Meet Our Surgical Staff Or Call: 888 286 6600

doc-david-211x300DR DAVID GREUNER | MD

Dr. David Anthony Greuner is the managing director and co-founder of NYC Surgical Associates. He is a double board certified surgeon with over 10 years of experience.

His post graduate residency training was performed at University of Arizona and Mount Sinai School of Medicine affiliate hospitals (Morristown Memorial Hospital) where he was named chief resident of the year, and won the Hughes Dougan award for dedication to patient care and excellence in surgical technique his chief year.

Read more


Dr Adam Tonis is the Chief Operating Officer for NYC Surgical.

He has over 20 years’ experience in running medical offices in the Tri-State area. Dr. Tonis has initiated and scaled medical offices from their inception to the point of expansion and administrative automation. Currently, Dr. Tonis is responsible for all administrative and non-clinical teams and workflow at NYC Surgical. As the leadership behind our talented administrative staff, together they consistently strive to perfect efficiency and minimize problems regarding insurance issues for our patient base.

Read more

  • Subtle Signs You’re Neglecting Your Health

    Signs You're Neglecting Your Health We often tell our patients that looking good and feeling… Read More

  • NYC Surgical Associates Awarded 5-Star Rating

    AAAHC Awards NYC Surgical Associates 5-Star Rating for Quality of Care & Patient Safety  NYC… Read More

  • Podcast: Success, Satisfaction and Suffering

    Dr. David Greuner: The Truth Prescription Podcast Dr. David Greuner of NYC Surgical Associates recently… Read More


Still have questions? Call us: 888 286 6600