If the claim at issue is very small, it may not be worth pursuing further. If the amount of money is significant, you should have an attorney handle the matter. They can move for the appointment of a curator ad hoc to accept service, and the matter will progress from that point forward.
Areas of practice listed are are areas of concentration in my practice. I am not board certified in any of the listed areas, and by listing them and describing my practice I am merely describing my experience and the nature of my practice.