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Last Modified: 3/25/2024 Location: FL, PR, USVI Business: Part B

Completing the Medicare Enrollment Application - Enrollment for Eligible Ordering/Certifying Physicians and Other Eligible Professionals (CMS-855O) application

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 external pdf file) 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)
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
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
Select your primary physician specialty:
You must meet all federal and state requirements for the specialty type selected
Section 4B: Eligible professional or other non-physician specialty type
Select your primary non-physician specialty type:
You must meet the licensing, education, and work experience requirements
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
Be sure to include all contact information, including the email address
Section 7: Penalties for falsifying information on this application
Be sure to read this section as it outlines criminal penalties and civil liability on individuals who knowingly furnish false information
Section 8: Certification statement and signature
Individual practitioner must sign this application:
Authority to sign on your behalf can not be delegated
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.
First Coast Service Options (First Coast) strives to ensure that the information available on our provider website is accurate, detailed, and current. Therefore, this is a dynamic site and its content changes daily. It is best to access the site to ensure you have the most current information rather than printing articles or forms that may become obsolete without notice.