User Search
If you were transitioned to the Bosentan REMS Program, your data may already be populated in the Bosentan REMS Program. Please complete the fields below and press Search. All fields listed below are required unless otherwise indicated.

Prescriber Information (at least one identifier is required):
Identifiers
NPI Number
 or 
DEA Number
First Name
Last Name
Certification ID (Optional)
Phone
Fax
Email
No results found. Please try your search again or contact the Bosentan REMS Program for assistance. Alternatively, you may use the New User button below to begin your enrollment process in the Bosentan REMS Program.
If the search results have returned your record, please highlight the row and press Submit. If you do not see your record, you can either try your search again or press the New User button to begin your enrollment process in the Bosentan REMS Program.

For additional information about the Bosentan REMS Program, please call 1-866-359-2612.