Skip to main content
Main Content

UnitedHealthcare Connected® for One Care (Medicare-Medicaid Plan) How To Enroll

Our UnitedHealthcare Connected® for One Care is for disabled adults ages 21-64 at the time of enrollment who are eligible for both Medicare and MassHealth. The plan offers members a customized care plan and a single point of contact for all Medicare and MassHealth services.

How to enroll in One Care

There are three ways to enroll: Online, paper application, Customer Service

  1. Enroll online now by clicking here: Instructions for Filling out the One Care Online Enrollment Form
  2. Fill out the paper applicationOne Care Enrollment Decision Form (Also available in Spanish: Formulario de Decisión Para la Inscripción en One Care.)
  3. Call the MassHealth Customer Service Center (Monday –Friday, 8 am – 5 pm) at 1-800-841-2900 or TTY:1-800-497-4648 (for people who are deaf, hard of hearing, or speech disabled).

Enrollment information

Enrolling as a member in a plan is voluntary. You can choose to join UnitedHealthcare Connected®  for One Care.

Learn more about your One Care plan options from the MassHealth Customer Service at 1-800-841-2900, TTY 1-800-497-4648. 8 a.m.–8 p.m. local time, Monday–Friday (voicemail available 24 hours a day, 7 days a week

Steps to enroll
Our Member Engagement Center is available to answer questions

Please call 1-866-633-4454, TTY 711
8 am - 8 pm, local time, 7 days a week

Member information

Already a member? You have access to our member-only website. Print ID cards, chat with a nurse online, and more.

Member website

2024 Member Handbook