Exact same thing happened to me a couple of days ago. I had to go to a small office at Phaya Thai BTS station to manually enter passport info, phone and address. I think plastic USA is using on passports now blocks scanning.
A second account is a very good idea as you can keep your big money in one account and use the other for operating expenses using ATM card and QR payments. A FX account can also be useful.
See Spine Balance Clinic around Ratchadamri. Chiropractic doctor is excellent and physical therapy is provided during each visit based on your needs. Cost is very reasonable too