We’re here to help!  If you need some help about MyMSK, you can use this link to email the MyMSK Help Desk, or email us at mymsk@mskcc.org.  You can also call the MyMSK Help Desk toll free at 646-227-2593 in New York City, or call toll free outside New York City at 800-248-0593, Monday through Friday, between 9:00 AM and 5:00 PM (Eastern Time).

Do not use MyMSK to send messages about anything that needs attention right away. If you’re having symptoms or you need help right away, call your doctor’s office. You can find a list of doctors’ office phone numbers here.

For routine communication about your health, you can send a message to your doctor's office by using the Compose Message option on the "Messages" section of MyMSK

For general guidelines on whether to contact providers on your healthcare team through MyMSK or call them directly, please read the guide Communicating with Your Healthcare Team Using MyMSK.

If you need help with patient billing services or have financial questions, please see our information about who to contact.   

If you have a question about billing, you can also call 646-227-3378 in New York City, or call toll free outside New York City at 866-248-1274, Monday through Friday between 8:00 a.m. and 5:00 p.m. (Eastern time). We are closed between 12:30 p.m. and 1:30 p.m.. You may be put on hold because of high call volume.

There are 3 ways to pay your bills.

You can view your MSK billing statements and pay bills through the VisitPay website.

You can also pay by phone. Please call 646-227-3378 in New York City, or call toll free outside New York City at 866-248-1274, Monday through Friday between 8:00 am and 5:00 pm (Eastern time). We are closed between 12:30 pm and 1:30 pm You may be put on hold because of high call volume. 

If you are not signed up to pay your bills through the VisitPay website, we will send you bills by mail. Please remember to include your payment slip with your payment. 

Payment address for hospital bills: Memorial Hospital General Post Office PO Box 21700 New York, NY 10087-6174

Payment address for physician bills: Memorial Sloan Kettering Cancer Center PBD General Post Office PO Box 26352 New York, NY 10087-6352