Member Services

855-223-9868 (TTY: 711)

Monday – Friday, from 8 a.m. – 8 p.m., CST

Humana is closed on the following days in observation of major holidays:

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

Our automated phone system may answer your call on Saturdays, Sundays, and some public holidays. If you call when we are closed and are prompted to leave a message, please do so. We will call you back the next business day.

Mailing Address:

Humana Healthy Horizons in Oklahoma
Oklahoma Tower
210 Park Ave
PO Box 43
Oklahoma City, OK 73102

Online chat service

We’re happy to talk to you via online chat. To access this service:

Online chat is available Monday – Friday, 8 a.m. – 8 p.m., CST.

24-Hour Nurse Advice Line


Our nurses can help you:

  • Decide if you need to go to a provider or the emergency room (ER)
  • Find out about medical tests or surgery
  • Find out more about prescriptions or over-the-counter medicines
  • Learn about a medical condition or recent diagnosis
  • Learn about nutrition and wellness
  • Make a list of questions for provider visits

Oklahoma mental health lifeline


24 hours a day, 7 days a week

If you believe you are having a behavioral health emergency, including mental health and substance use, call the Oklahoma Mental Health Lifeline at 988. If you are in danger or need immediate medical attention, call 911.

Care management program

To speak with a care manager or enroll in a care management program
855-223-9868 (TTY: 711)
Monday – Friday, 8 a.m. – 8 p.m., Central

Fraud, waste, and abuse

You can report suspected fraud and abuse in the following ways:

  • Call the Medicaid Fraud, Waste and Program Abuse Tip Line at 800-614-4126, 24 hours a day, 7 days a week.
  • Call the U.S. Office of Inspector General’s Fraud Line at 800-HHS-TIPS (800-447-8477)

Looking for help?

Contact Us

If you have questions, find the number you need to get help and support.

Find a doctor

Find a doctor, hospital, or pharmacy.

Documents & forms

Find the documents and forms you need, including your Member Handbook.