MSO, Inc. of Southern California
3330 Harbor Boulevard, Suite 200 · Costa Mesa, CA 92626
Toll-Free: 1-800-551-1319
TTY / TDD: 711
Member Welcome Letter
Your rights, responsibilities, and welcome message from MSO, Inc.
For Members
Resources and assistance for plan members.
Member rights, language assistance, provider directories, and grievance forms. All linked documents open in a new tab.
Section 1
Welcome & Member Rights
As a member you have the right to respectful, confidential care; clear information about your benefits; access to interpretation services at no cost; and the ability to file a complaint or grievance without fear of retaliation.
Section 2
Language Assistance
Interpretation and translation services are available at no cost. If you need help in a language other than English, call 1-800-551-1319 (TDD/TTY 711).
Blue Cross Language Assistance
You have the right to get help and information in your language at no cost. To request an interpreter, call the Member Services number on your Blue Cross member ID card, or call the toll-free line above.
Notice of Language Assistance (Top 15 languages spoken in California): Spanish, Chinese (Traditional & Simplified), Vietnamese, Tagalog, Korean, Armenian, Persian (Farsi), Russian, Japanese, Arabic, Punjabi, Cambodian (Khmer), Hmong, Hindi, Thai.
Notice of Non-Discrimination: Blue Cross does not discriminate, exclude people, or treat them differently on the basis of race, color, national origin, age, disability, sex, gender identity, or sexual orientation.
Molina Language Assistance
Section 3
Find a Provider
Search for an in-network doctor, specialist, hospital, or pharmacy by plan line of business.
Section 4
Medi-Cal Programs
Overview of California Medi-Cal programs available through MSO-affiliated IPAs and contracted health plans.
Section 5
File a Complaint / Grievance
If you have a concern about your care, services, or treatment, you may file a complaint or grievance. We will not retaliate against you for doing so.
Anti-Fraud Hotline · 24/7
Section 6
Notice of Privacy Practices
How MSO collects, uses, and protects your health information, and the rights you have over it.
