Completing the Medicare CMS-855O enrollment application
Enrollment for eligible ordering / certifying physicians and other eligible professionals
Physician and non-physician practitioners can apply to register for the sole purpose of ordering and referring items or services to Medicare beneficiaries or make a change in their registration using the Enrollment for Eligible Ordering or Certifying Physicians and Other Eligible Professionals (CMS-855O) application.
Note: These physicians and non-physician practitioners do not and will not submit claims to a Medicare Administrative Contractor (MAC) for the services they furnish for reimbursement.
The chart below is designed to provide additional instructions on completing the enrollment application. Please make sure to follow the guidelines listed on the application.
Note: Once you complete the application, you can either upload the application on the Provider Enrollment Gateway or mail the application to us.
| Section of form | Helpful hints |
|---|---|
| Section 1: Basic information |
Section 1A: Reason for submitting this application Select the reason for submitting the application Section 1B: Reason you are enrolling solely to order or certify Choose only one reason from group 1 or group 2 |
| Section 2: Identifying information |
Section 2A: Personal information List the individual's name as it appears with the Social Security Administration (SSA) and complete all fields, as applicable Section 2B: Educational information Provide your medical or professional school and year of graduation Section 2C: License or certification information Provide any active license, certification, or Drug Enforcement Agency (DEA) registration information |
| Section 3: Final adverse legal action |
Section 3C: Final adverse legal action history 3C1: Check box, yes or no, for any final adverse legal action imposed 3C2: If yes, report each final adverse legal action, when it occurred, and the federal or state agency or the court/administrative body that imposed the action Make sure to include a copy of all final adverse legal action documentation and resolution, if applicable |
| Section 4: Medical specialty information |
Section 4A: Physician specialty Physicians select primary physician specialty:
Section 4B: Eligible professional or other non-physician specialty type Non-physicians select primary non-physician specialty type:
Note: You can only select one physician or non-physician specialty type. |
| Section 5: Correspondence mailing address | Information provided should be the contact information for the individual practitioner listed in Section 2 |
| Section 6: Contact person information |
Person listed in this section is the only person, other than the practitioner, we are permitted to speak with regarding the application Include all contact information, including the email address |
| Section 7: Penalties for falsifying information on this application | Read this section outlining criminal penalties and civil liability on individuals who knowingly furnish false information |
| Section 8: Certification statement and signature |
Individual practitioner must sign this application:
Signatures must be handwritten or an eligible digital signature |
| Additional guidance |
Enrolling as an ordering and referring provider is considered a national status. If you move states, make sure to update your enrollment with current license information. Revalidation is not required for ordering and referring providers. |