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Medicaid Open Enrollment begins October 1st. To join Delaware First Health, call the Health Benefits Manager at 1-800-996-9969
Medicaid Open Enrollment begins October 1st. To join Delaware First Health, call the Health Benefits Manager at 1-800-996-9969

Provider Data Updates

Delaware First Health needs your help to ensure we have your most up to date information about your provider data.  We have created an easy way for you to request updates to your information and ensure we receive what we need to complete your request in a timely manner.   

Thank you in advance for updating your date. We will continue to make improvements to our processes to allow you to update all your information electronically.

What would you like to do? 

Make a Demographic Change

Make a Billing Address Change

Notify us of a billing address change or office move in writing on company letterhead to DFH_providerrosters@delawarefirsthealth.com.  Please include a W-9.

Add a New Provider, Location or Term an Existing Provider

  • Practitioners/Groups.  Add practitioners to your participating group, add an additional location, by submitting a completed Practitioner Data Form for each practitioner up to 5 or a Roster ( more than 5) with the disclosure of ownership form (DOO) to DFH_providerrosters@delawarefirsthealth.com.
  • Facilities/Organizations. Add facilities/organizations to your existing participating contract (including ancillary, clinics, hospitals, LTSS providers) by submitting an Organizational Application with the DOO form to DFH_providerrosters@delawarefirsthealth.com.  Any new location requires a full credentialing event.
  • Terminate a provider, practitioner or location, by emailing a letter on company letterhead with the practitioner name, practitioner NPI, provider name, TIN or a completed Roster noting the terminations for each to DFH_providerrosters@delawarefirsthealth.com.  Please follow the time period for terminations as stated in your provider contract.

Make a Change to an IRS Number (TIN) or NPI Number

Please send an email to DFH_providerrosters@delawarefirsthealth.com with a signed letter on your organization’s letterhead confirming the change of the TIN and/or NPI and attach a completed W-9 form.  The letter should include the following as applicable:

  • Group/Facility Name
  • Old Tax Identification Number
  • New Tax Identification Number
  • Old Group NPI#
  • New Group NPI#
  • Completed W-9