What is the Kaiser Permanente customer service phone number? The Kaiser Permanente customer service phone number is 1-800-464-4000. Members can call this number 24 hours a day, 7 days a week to speak with a representative., Find the appropriate Kaiser Permanente phone number for your appointment, billing and other needs. Learn who to call and how to contact Kaiser customer service to get answers to questions about your Kaiser Permanente health insurance., See a list of important phone numbers and contact information for Kaiser Permanente., 800-777-7904 (TTY 711), 24 hours a day, 7 days a week. If you need help choosing the care that’s right for you, contact us 24/7 at 800-777-7904 (TTY 711). To cancel an appointment, log onto kp.org or call us 24/7 at 800-777-7904 (TTY 711)., Kaiser Permanente Insurance Company (KPIC) Phone: 1-800-554-3099 (toll free) Hours: Monday through Friday, 8 a.m. to 5 p.m. HMO. Phone: 1-800-790-4661, option 1. Hours: Monday through Friday, 8:30 a.m. to 5 p.m., One of the most convenient ways to contact Kaiser Permanente member services is by phone. You can reach their dedicated customer service team by calling the phone number listed on the back of your Kaiser Permanente ID card or by dialing their toll-free number, 1-800-443-0815 (available 24/7)..