Contact Us

Customer Service Hours:

Monday through Friday 7 a.m. to 7 p.m. CST

Prospective Subscribers should call:

1-888-579-9373, TTY 1-888-579-9375

Current Subscribers should call:

1-888-579-9373, TTY 1-888-579-9375

Pharmacy Help Desk:

1-888-229-2812

M - F 7 a.m - 11 p.m. CST, Sat/Sun 7:30 a.m. - 6:00 p.m.

You may write to us at:

HISC
PO Box 7021
Lawrence, KS 66044

Mail-order question, please call:
1-888-229-2933, TTY users 1-888-229-2944

For more information about Medicare, call:

1-800-Medicare (1-800-633-4227), 24 hours a day, 7 days a week, or visit www.medicare.gov.  TTY/TDD users should call 1-877-486-2048.

If you have special needs, this information may be available in other formats.

Last updated 02/17/2006 - S5715-MRK-TXWebsite