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.
Is Ruben Niesvizky, M.D. accepting new patients?
Please contact Ruben Niesvizky, M.D. directly to confirm whether they are currently accepting new patients. You can call them or use the booking button on this page.
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 provider directly.
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Information last updated: June 30, 2026