You can now change your own specialty and have multiple specialties under one account.
To change your account specialty:
1. On a computer, log in and go under the Account Settings tab
2. Scroll down to Affiliation Information
3. Use the Specialty drop down menu to select a different specialty
4. Click the red Update Profile button
5. Go back and you can now Purchase a Subscription in that new specialty
This video demonstrates how to change your specialty.