Reading about a modality is one thing. Picking up the phone to actually book it is a different thing entirely, and it's often the part that stalls people out longest. This is a script for that specific moment, not therapy advice, just words to have ready so the call itself isn't the hardest part.
Start at Psychology Today's therapist directory. You can filter by modality (EMDR, brainspotting, IFS, and the rest all show up as real filter options), by insurance, and by location. Pick two or three names before you call anyone, so one unanswered voicemail doesn't stall the whole thing.
Most offices expect this exact kind of call. You don't need a polished pitch, you need three things: who you are, why you're calling, and what you're looking for.
"Hi, my name is [name]. I'm looking for a therapist who works with [EMDR / brainspotting / trauma, whatever fits], and I found your name through Psychology Today. Are you currently taking new clients?"
If yes, they'll usually ask a few logistics questions, insurance, availability, sometimes a brief reason for reaching out. You don't owe anyone your full story on this first call, "I'm dealing with some things I want support working through" is a complete answer.
If you want to name something specific: "I've been dealing with [anxiety / trauma / a specific event], and I'm looking for someone with experience in [the modality]."
Do you take my insurance, or offer a sliding scale?
What does a typical first session look like?
How soon do you have availability?
"Hi, my name is [name], my number is [number]. I'm looking for a new client appointment and found your practice through Psychology Today. I'd appreciate a call back when you have a chance."
If the first person you call isn't taking new clients, or doesn't feel like a fit once you talk, that's normal, not a sign to stop looking. Move to the next name on your list. The fit matters more than the first yes.