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Need Help Choosing A Plan?
Call us:
1-855-306-4537

TTY:

711

Hours of operation:

8am-8pm, 7 days a week

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Common Questions


Not sure what you're looking for?
View the online brochure to help Learn

How to contact us:

Licensed insurance agents are available 8 a.m. to 8 p.m. seven days a week to answer your questions:

State:

Medicare Advantage and Medicare Supplement:

Medicare Part D:

TTY/TDD:

California

1-855-306-4537

1-855-314-3042

711


Customer Service Hours for Medicare Advantage plans:
Customer Service representatives are available to answer your call directly from 8 a.m. to 8 p.m., 7 days a week (except Thanksgiving and Christmas) from October 1 through February 14, and Monday through Friday (except holidays) from February 15 through September 30. Our automated system is available anytime for self-service options, including after hours, weekends, and holidays.

Current members should also contact Customer Service for process or status questions or to file a verbal grievance:

Medicare Advantage Plans:

Toll Free:

TTY/TDD:

FAX:

Address:

Blue Cross Senior Secure Plan I (HMO)

1-888-230-7338

711

1-805-713-5986

P.O. Box 60007
Los Angeles, CA 90060-0007

Blue Cross Senior Secure Plan II (HMO)

1-888-230-7338

711

1-805-713-5986

P.O. Box 60007
Los Angeles, CA 90060-0007

Anthem Medicare Preferred Standard (PPO)1-877-811-3107

711

1-805-713-5986

P.O. Box 60007
Los Angeles, CA 90060-0007


Customer Service Hours for Medicare Part D plans:
Customer Service representatives are available to answer your call directly from 8 a.m. to 8 p.m., 7 days a week (except Thanksgiving and Christmas) from October 1 through February 14, and Monday through Friday (except holidays) from February 15 through September 30. Our automated system is available anytime for self-service options, including after hours, weekends, and holidays.

Current members should also contact Customer Service for process or status questions or to file a verbal grievance:

Medicare Part D Plans:
Toll Free:
TTY/TDD:
FAX:
Address:
Blue Cross MedicareRx (PDP) plans
1-800-928-6201
711
1-805-713-5986
P.O. Box 9282
Oxnard, CA 93031-9282


Customer Service Hours for Medicare Supplement Plans:
Monday- Friday, 8 a.m. to 6 p.m. PST

Plans

State:

Medicare Supplement:

TTY/TDD

Address:

All Plans

California

1-800-333-3883

 711

P.O. Box 60007
Los Angeles, CA 90060-0007


Current members who wish to file written grievances for any of the Medicare Advantage or Medicare Part D plans should use the following:

  • For Medicare Advantage plans, use the Appeals and Grievances FAX: 1-888-458-1406
  • For Medicare Part D plans, use the Appeals and Grievances FAX: 1-888-458-1407

Appeals and Grievances Mailing Address for both Medicare Advantage and Part D plans:

Appeals and Grievances
Mailstop: OH0205-A537
4361 Irwin Simpson Rd
Mason, OH 45040

Providers should call:
Please call the numbers listed below for process or status questions as well as Grievance & Appeals. 
Provider Service Hours are listed below.

Medicare Advantage Plans:
Phone Number:
FAX:
Blue Cross Senior Secure Plan I (HMO) and Blue Cross Senior Secure Plan II (HMO)
1-888-230-7338
(Monday through Friday 8 a.m. to 9 p.m. ET)
1-805-713-5244
Anthem Medicare Preferred Standard (PPO)
1-877-811-3107
(Monday through Friday 8 a.m. to 9 p.m. ET)
1-805-713-598

Providers can call Customer Service to submit an oral request for an organization determination, or submit a written request for an organization determination and mail it to:
Medicare Programs
3350 Peachtree Rd NE
Atlanta, GA 30326
Request forms can also be faxed to: 866-959-1537.