Medicare Appeals and Complaints | Medicare Appeals and Complaints
6401 Security Blvd, Baltimore, MD 21235-0001
Eligibility
Medicare recipients
Hours
Mon-Fri 8am-7pm by phone 24-hours website
800-633-4227
Voice·
Toll-Free: 800-MEDICARE
877-486-2048
Voice·
Toll-Free TTY Medicare
Application process
Call or visit website for Medicare Redetermination Request Form
Fees
None
Service area
AZ
Accepts appeals on the denial or the cost of health care services, supplies, and prescription drugs. Also accepts and investigates complaints about the quality of care or other services offered by a Medicare provider.
Last Assured
10/01/2025
What's Here
Providing organization
Medicare Appeals and Complaints
Accepts appeals on the denial or the cost of health care services, supplies, and prescription drugs. Also accepts and investigates complaints about the quality of care or other services offered by a Medicare provider.