As I know, there are two hospitals that can do Transcranial Magnetic Stimulation (TMS). One is Poplar Springs Hospital. Here is its contact details:
350 Poplar Drive, Petersburg, VA 23805
804-733-6874 / 866-546-2229
Another is Cedar Hills Hospital. Its contact details are as following.
10300 SW Eastridge Street, Portland, OR 97225
503-944-5000 / 877-601-5303
As for Vagus Nerve Stimulator, Tacoma General Hospital can do this procedure. Its contact information is listed below.
315 M Martin Luther King Junior Way, Tacoma, WA 98405
There is a Neuropsychiatric Treatment Center which has both of the procedures. You can visit its website “seattlentc.com” or call 206-467-6300 to speak with a member of their team.