Contact Information

We are happy to answer any questions you may have about your Mount Sinai Health System bill. You can find the contact information on your bill or look below for the phone number and hours of operation. Our customer service team is here to help.

Billing Team Phone Number Hours of Operation
Hospital and Physician
Billing Customer Service		 212-987-3100 Monday – Friday,
9 am – 5 pm
Clinical Lab 800-633-9165 Monday – Friday,
8:30 am – 4:30 pm                                                         
Ambulance 888-987-9936 Monday – Friday,
9 am – 5 pm
Home Infusion 888-424-2455 Monday – Friday,
8:30 am – 5 pm
Financial Assistance