About the Oncologist
How to book
- Click Book Appointment call +1 646-962-6500 .
- Use provider online portal: weillcornell.org/rubenniesvizky.
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Frequently Asked Questions about Ruben Niesvizky, M.D.
Where is the Ruben Niesvizky, M.D. situated at?
Ruben Niesvizky, M.D. is situated at 425 E 61st St 8th floor.
How can I book an appointment at Ruben Niesvizky, M.D.?
You can book an appointment by clicking the "Book Appointment" button on this page or by calling the hospital directly.
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Information last updated: June 30, 2026