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For Questions about MyMSK

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  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).

For Questions about Your Healthcare

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.

For Questions about How to Pay Your Bill

There are 3 ways to pay your bills.

You can pay your bills on MyMSK. To pay hospital bills, use this link. To pay physician (doctor) bills, use this link.

You can also pay by phone, but you may be put on hold because of high call volume. 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 6:00 PM (Eastern Time).

You can also pay by mail. Please remember to include your payment slip with your payment.

Payment address for Hospital billing:
Memorial Hospital
General Post Office
P.O. Box 21700
New York, NY 10087-6174 
Payment address for Physician billing:
Memorial Sloan Kettering Cancer Center PBD
General Post Office
PO Box 26352
New York, NY 10087-6352 
For Questions about your Doctor's Appointment

Use this MyMSK link to contact someone at your doctor's office.