Table S1.

State/Province Specific Telehealth Practices Before and After COVID-19 Pandemic Onset

	California	Colorado	District of Columbia	New York State	Ohio	Ontario	Washington
Require providers to be on-site to provide services
Before	X		X	Xa	X
After
Require patients to be in a designated clinical location to receive services
Before	X			Xa	X
After
Allow providers/patients to serve/participate at home
Before		X		X		X	X
After	X	X	X	X	X	X	X
Provider training requirements
Before				Xa
After
Provider credentialing requirements
Before			X		X
After
Allow billing public insurance
Before		X	X	X	X	X	X
After	X	X	X	X	X	Xb	X
Documentation requirements
Before	X	X	X	X	X
After	X	X	X	X	X	X

Note: ^aSpecific to New York State Office of Mental Health (OMH) regulated sites.

^bExpanded billing to including telephone care; California responses refer to MediCAL regulations.