Contact Us
HAP CareSource™ strives to make it easy for you to work with us, whether online or over the phone.
For questions not addressed on our website, please call Provider Services at 1-833-230-2102.
You can also reach us by contacting one of our Contracting Managers Monday through Friday from 8 a.m. to 6 p.m. Eastern Time (ET).
You can also do business with us online any time of the day or night. Visit the HAP CareSource provider portal to check claims, prior authorization status, member eligibility, coordination of benefits and more.
Key Contact Information
Below is a list of the plan’s phone numbers for general questions, prior authorizations, claim inquiries and more, as well as common fax numbers and addresses. Use this list as a guide to help you find the appropriate contact for your questions.
| Department | Phone | Additional Information |
|---|---|---|
Provider Services | ||
Medical Prior Authorization | Fax: 1-844-432-8931 | |
Pharmacy Prior Authorization | Fax: 1-866-930-0019 | |
Physician Administered Drug Prior Authorization | Fax: 1-888-399-0271 | |
Claims | HAP CareSource | |
Disease Management | ||
Care Management | Referral fax: 1-844-438-9496 | |
Provider Healthy Michigan HRA Submissions | HRA Fax: 1-844-633-0393 | |
Appeals | Fax: 1-937-396-3492 HAP CareSource |
Claims, EDI, W-9, Remittance Advice
- EDI setup
- Contact your clearing house and give them HAP CareSource’s payor ID: MIMCDCS1
- EDI setup
- W-9 changes
- Email: providernetwork@hap.org
- Be sure to sign and date the W-9 form or it will be returned.
- W-9 changes
Demographic changes, training & education; contracting & credentialing
For changes in office demographic information, please complete the Provider Change Form.
For requests for provider office training, and contracting and credentialing status:
- Email providernetwork@hap.org and include:
- Type 1 NPI
- Type 2 NPI
- Tax ID
Please be sure your office address, phone, fax, etc. are up to date in the National Plan & Provider Enumeration System (NPPES). Pharmacy benefit managers typically use Drug Enforcement Agency (DEA) and NPPES systems to send required patient-level notices, such as transition letters and approval or denial letters.