Contact Us

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 1-833-230-2101

You can reach us 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 our 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.



Additional Information

Provider Services


Medical Prior Authorization


Fax: 1-844-676-0372

Pharmacy Prior Authorization


Fax: 866-930-0019

Pharmacy Physician Administered Drugs


Fax: 888-399-0271



Attn: Claims
P.O. Box 8730
Dayton, OH 45401-8730



Fax: 937-531-2398

Attn: Provider Appeals
P.O. Box 2008
Dayton, OH 45401-2008

Care & Disease Management

Care Management: 1-844-679-7870

Disease Management: 1-844-438-9498

Referral fax: 877-946-2273

CareSource Office Closure Dates

Representatives are available by telephone Monday through Friday, except on the following holidays:

  • New Year’s Day
  • Martin Luther King Jr. Day
  • Memorial Day
  • Independence Day
  • Labor Day
  • Thanksgiving Day
  • Day after Thanksgiving
  • Christmas Eve
  • Christmas Day

Please note: If a holiday falls on a weekend date, CareSource will be closed the following business day.