You must continue to pay your Part B premium. Big fat $ 24 UCare Medicare Plans and all the extras you want. ucare.org/medicare59 ucare. 1-866-301-9846 8 am - 5 pm, Monday - Friday TTY 1-800-688-2534 people powered health plans You must continue to pay your Part B premium. Big fat $ 24 UCare Medicare Plans and all the extras you want. ucare.org/medicare59 ucare. 1-866-301-9846 8 am - 5 pm, Monday - Friday TTY 1-800-688-2534 people powered health plans