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Office of Medicare Hearings and Appeals (OMHA)


The following resources can help you better understand the appeals process: You can also call 1-800-MEDICARE
(1-800-633-4227) from anywhere in the U.S. for any of your Medicare-related questions.

OMHA National Toll Free Line

For information about your ALJ hearing and/or the hearing process call: 1-855-556-8475 (toll free).

Plain Language

The Plain Writing Act of 2010 requires federal agencies to write clear Government communication that the public can understand and use. More information about what plain language is and how the Office of Medicare Hearings and Appeals is implementing the Act can be found on our plain language page.


The links below are to other agencies and offices within the U.S. government. These are provided so that you have multiple sources to reference.


The Legislation section includes background information on the laws that govern OMHA, your privacy rights, and Medicare.

  • The Medicare Modernization Act of 2003. The Medicare Modernization Act of 2003 set forth a number of major changes to the Medicare program, including (1) the creation of OMHA, (2) the creation of the new Medicare Part D drug benefit starting in 2006, (3) the creation of Health Savings Accounts (HSAs) and (4) increased payments to Medicare HMOs under the renamed Medicare Advantage program.
  • Benefits Improvement Protection Act (BIPA) Section 521 [ PDF - 52KB]. Section 521 of the Medicare, Medicaid, and Supplemental Children Health Insurance Plan (SCHIP) Benefits Improvement and Protection Act of 2000 (BIPA), amended section 1869 of the Social Security Act (the Act) to require significant changes to the Medicare appeals procedures. Among these changes is a new requirement for a process by which a beneficiary may obtain an expedited determination in response to the termination of provider services.
  • Medicare Part C Regulation. Medicare Advantage Plans (also known as Medicare Part C Plans) are managed health plan options that are part of the Medicare program. These plans were once called “Medicare+Choice Plans”. If you join one of these plans, you generally get all your Medicare-covered health care through that plan. This coverage can include Medicare Part D prescription drug coverage or you can enroll in a separate Medicare Part D prescription drug coverage plan (See information on Medicare Part D below). Medicare Advantage Plans include:
    • Medicare Health Maintenance Organizations (HMOs)
    • Preferred Provider Organizations (PPO)
    • Private Fee-for-Service (PFFS) Plans
    • Medicare Special Needs Plans
  • Medicare Part D Regulation. The recent legislation provides Medicare-eligible seniors and people with disabilities with the first prescription drug benefit offered under the Medicare program.

Health Data Sets

The Office of Medicare and Appeals has compiled the following data sets for public information as part of the Health Data Initiative:

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Content last reviewed on June 30, 2014