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View our masking and visitation guidelines based on current rates of respiratory illnesses in the community.

Informational Alert

Our new building on the hospital campus, Forest B, is open. Families and visitors can park in the new Forest B garage next to Emergency.

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Differences in Sex Development

Contact Us and Locations

How to Make an Appointment

To make an appointment with Differences in Sex Development, call us at 206-987-6565 or talk with your child’s primary care doctor for a referral.

Learn more about how to schedule an appointment at Seattle Children’s.

If you already have an appointment, learn more about how to prepare and what to expect.

How to Refer a Patient

If you are a provider, learn how to refer or manage a patient.

Phone Numbers

Telephone

206-987-6565

Toll Free

866-987-2000

Appointment

A provider referral is not required.

Fax Numbers

Fax

206-985-3374

Addresses

Physical Address

4800 Sand Point Way NE
Seattle, WA 98105

Mailing Address

Seattle Children's Hospital
M/S OC-9-850
PO Box 5371
Seattle, WA 98145-5005

Hours

Business Hours

Sunday: Closed
Monday: 9:00am - 6:00pm
Tuesday: 9:00am - 5:00pm
Wednesday: 9:00am - 5:00pm
Thursday: 9:00am - 5:00pm
Friday: 9:00am - 5:00pm
Saturday: Closed