About the Doctors
How to book
- Click Book Appointment call +1 212-333-3131 .
- Use provider online portal: mountsinai.org/profiles/sherin-a-mermash.
Clinical team & doctors
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Frequently Asked Questions about Mount Sinai Doctors West Side Internal Medicine
Where is the Mount Sinai Doctors West Side Internal Medicine situated at?
Mount Sinai Doctors West Side Internal Medicine is situated at 315 W 50th St, New York, New York, United States.
What days are Mount Sinai Doctors West Side Internal Medicine open?
Thursday, Wednesday, Tuesday, Monday.
How can I book an appointment at Mount Sinai Doctors West Side Internal Medicine?
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