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 About Us
Corporate Information
Corporate Information

General Information

Contact Us

CareSource knows that understanding health care can be confusing. We strive to make it easy for doctors, members and the community to work with us, whether online or over the phone.

If you are having trouble finding the information you are looking for on our website or have more questions, please call us or submit a request to be contacted via our Tell Us form.

A Member Services representative will be happy to answer your questions Monday through Friday, 7 a.m. to 7 p.m. unless otherwise stated below. Our Provider Services department will answer your calls from 8 a.m. to 6 p.m., Monday through Friday.


Indiana Member Services: 1-800-418-0172 (TTY: 1-800-743-3333 or 711)

Indiana Provider Services: 1-855-202-0557

Kentucky Member Services: 1-800-833-3239 (TTY: 1-800-648-6065 or 711)

Kentucky Provider Services: 1-855-203-1059

Medicare Advantage Member Services is open 8 a.m. to 8 p.m. Monday through Friday, and from Oct. 1 – Feb. 14 we are open the same hours 7 days a week.


Ohio Member Services: 1-800-488-0134 (TTY: 1-800-750-0750 or 711)

Ohio Provider Services: 1-800-488-0134

Kentucky Member Services: 1-855-852-7005 (TTY: 1-800-648-6056 or 711)

Kentucky Provider Services: 1-855-852-7005


Member Services: 1-855-475-3163 (TTY: 1-800-750-0750 or 711)

Provider Services: 1-800-488-0134


Ohio Member Services: 1-800-479-9502 (TTY: 1-800-750-0750 or 711)

Ohio Provider Services: 1-800-488-0134

Indiana Member Services: 1-877-806-9284 (TTY: 1-800-743-3333 or 711)

Indiana Provider Services: 1-866-286-9949

Kentucky Member Services: 1-888-815-6446 (TTY: 1-800-648-6056 or 711)

Kentucky Provider Services: 1-855-852-5558


For more than 25 years, CareSource has been headquartered in Dayton, Ohio.

You can send mail to our headquarters at:

P.O. Box 8738
Dayton OH 45401-8738

To ensure we stay in touch with our members, providers and communities, we maintain the following office locations.


Dayton Headquarters
230 N. Main St.
Dayton, Ohio 45402
Map this location using Google.
Columbus Office
65 East State Street
Suite 850
Columbus, Ohio 43215
Map this location using Google.
Cleveland Office
5900 Landerbrook Drive
Suite 300
Mayfield Heights, Ohio 44124
Map this location using Google.


Louisville Office
10200 Forest Green Boulevard
Suite 400
Louisville, Kentucky 40223
Map this location using Google.


Indianapolis Office
135 N. Pennsylvania Street
Suite 1730
Indianapolis, IN 46204
Map this location using Google.

Kentucky Subrogation Requests

All inquiries regarding subrogation lien amounts or member record requests must be accompanied by a HIPAA compliant authorization for the release of member information and must be mailed to Humana – CareSource, Attn: Legal Department, 230 North Main Street, Dayton, OH 45402, or inquiries may be faxed to: 1-800-605-0137.

Hours of Operation and Holidays

CareSource is open for business 8 a.m. to 5 p.m. Monday through Friday, except for holidays.

  • New Year's Day
  • Memorial Day
  • Independence Day
  • Labor Day
  • Thanksgiving Day and the day after
  • Christmas Eve and Christmas Day

If the holiday falls on a Saturday, the company will be closed on the Friday before. If the holiday is on a Sunday, we will celebrate the Monday after.