Call CalOptima Health Customer Service. We have staff who speak your language.
1-877-412-2734 (TTY 711) Toll-free
Find out how to get virtual care (telehealth) and other resources.
To qualify to be a OneCare member you must:
Watch our educational video to learn about the basics of Medicare + Medi-Cal, plan options for dual-eligibles, and how OneCare is the plan built around our members.
Our OneCare Complete plan supports your needs, so you can focus on what’s most important — your health. Here are just a few of your 2026 benefits.
To find out if you qualify to buy healthy food and produce with your flex card:
This benefit is a Special Supplemental Benefit for the Chronically Ill (SSBCI). To qualify, you must have a qualifying chronic condition such as heart disease, diabetes, cancer, lung disease or dementia. Not all members with a chronic condition will qualify. For a full list of chronic conditions or to learn more about other eligibility requirements needed to qualify for SSBCI benefits, please see Chapter 4 in the CalOptima Health OneCare Complete Member Handbook.
†CalOptima Health OneCare works with Liberty Dental Plan to provide you with comprehensive dental services that add to the services you can get through Medi-Cal Dental. Click below for more information about which dental services CalOptima Health OneCare covers and how they work.
2026 CalOptima Health OneCare Dental Benefits and Medi-Cal Dental Benefits
2026 Liberty Dental Plan Benefits
2026 Liberty Dental Plan Frequently Asked Questions
For a full list of services covered by Medi-Cal Dental, call 1-800-322-6384 (TTY 1-800-735-2922) or visit Smile, California. These resources can also help you locate a Medi-Cal Dental provider and file a grievance or complaint.
Rest easy — with OneCare, our team will help you plan services and benefits that best fit your health care needs. We’ll support you with:
Someone who can answer your questions and help plan your health care
A survey to help us understand and support your current medical and social needs
The people who know your health care needs best and who work together to support your care
A document that organizes and guides your care needs
Members with more complex health needs may qualify for extra services that help with care coordination.
Join one of our benefit sessions to see if OneCare is right for you.
You can download an enrollment form and mail it to the address below. For more information, please call OneCare Customer Service toll-free at 1-877-412-2734 (TTY 711), 24 hours a day, 7 days a week. We have staff who speak your language. Print and complete the enrollment form to apply for OneCare and mail it to:
CalOptima Health
Attention: OneCare Customer Service
505 City Parkway West
Orange, CA 92868
CalOptima Health OneCare (HMO D-SNP), a Medicare Medi-Cal Plan, combines your Medicare and Medi-Cal benefits in a single plan, making it easier to get the health care you need. With OneCare, you can choose from more than 8,000 doctors and specialists in Orange County who are ready to serve you.
Within 10 days of enrolling, you’ll get a confirmation of enrollment letter in the mail. You should keep this letter. It serves as proof that Medicare has approved your enrollment form.
You’ll get a welcome kit from CalOptima Health OneCare that has your member ID card. Be sure to bring your new member ID card when you visit your doctor, hospital and pharmacy.
You’ll get a debit card and instructions on how to use it.
You’ll get a call from a CalOptima Health OneCare Personal Care Coordinator (PCC) who will ask about your health history, your current health status and the services you may need. Your answers will help us get the right care for you.
CalOptima Health’s website makes it easier for you to find what you need using any device. A secure online member portal lets you:
The CalOptima Health OneCare Member Handbook, also known as the CalOptima Health OneCare Evidence of Coverage, tells you what’s covered under our plan. It explains health care services, behavioral health (mental health and substance use disorder) services, prescription drug coverage, and long-term services and supports.
CalOptima Health OneCare recommends scheduling your first visit with your new PCP within 90 days. This visit helps your PCP learn about your health care history and needs. Your PCP might ask questions about your health or have you fill out a questionnaire. Your PCP will also tell you about health education counseling and classes that can help you.
You may also qualify for Member Health Rewards for taking an active role in your care. Visit the Member Health Rewards page to learn more.
If you are pregnant and have CalOptima Health OneCare
See your doctor as soon as you think you are pregnant to start prenatal care. Ask your doctor about Perinatal Support Services. This program gives you more information during your pregnancy and for 2 months after your baby is born.
If you need transportation and have OneCare
Depending on your situation, you may qualify for either non-emergency medical transportation or non-medical transportation. These services are not for emergencies and are available at no cost to you.
Non-Emergency Medical Transportation
You are entitled to non-emergency medical transportation if you have medical needs that don’t allow you to use a car, bus or taxi to your appointments. Non-emergency medical transportation can be provided by ambulance, litter van, wheelchair van or air transport for your medical needs when you need a ride to your appointment. If you need non-emergency medical transportation, you can talk to your PCP and ask for it. Your PCP will decide the best type of transportation to meet your needs.
Non-Medical Transportation
You can get non-medical transportation to and from your appointments for a service authorized (approved) by your provider. You can get a ride, at no cost to you, when you:
OneCare allows you to use a car, taxi, bus or other public or private way to get to your non-medical appointment for services authorized by your provider. We cover the lowest-cost, non-medical transportation type that meets your needs.
What is the CalOptima Health OneCare transportation phone number?
To ask for a ride for authorized services, call the transportation line at 1-866-612-1256 (TTY 711) at least 2 business days (Monday–Friday) before your appointment. For urgent appointments, call as soon as possible. Have your member ID Card ready when you call. You can also call if you need more information.
Welcome to our CalOptima Health OneCare Complete health plan! We encourage you to attend our new member orientation to learn about:
View our New Member Orientation presentation and see our upcoming orientation sessions below. To sign up for an orientation session, request an interpreter or for questions, please call CalOptima Health OneCare Customer Service at 1-877-412-2734 (TTY 711) 24 hours a day, 7 days a week.
See important documents for members enrolled in CalOptima Health OneCare Complete (HMO D-SNP), a Medicare Medi-Cal Plan.
2026 Provider and Pharmacy Directory (Updated 5/18/2026)
2026 Member Handbook (Updated 8/25/2025)
2026 Summary of Benefits (Updated 8/12/2025)
2026 List of Covered Drugs (formulary)
2026 Over-the-Counter (OTC) Catalog and Ordering Instructions
2026 Annual Notice of Change (OneCare Complete) (9/30/2025)
2026 Annual Notice of Change (OneCare Flex Plus) (9/30/2025)
See other important documents for our OneCare Complete Plan.
Notice of Availability and Nondiscrimination Notice
View forms related to your PHI and medical records as a OneCare member.
Termination of Restriction Form
Statement Of Disagreement Request To Include Amendment Request And Denial With Future Disclosures
Request For Accounting on Disclosure Forms
Individual Request For Access to Protected Health Information Contained in Designated Request Set
Authorization To Disclose Protected Health Information to another person
Access more forms related to handling your PHI as a OneCare member.
Revocation of Authorization for Release Of Protected Health Information
Request for Restrictions Manner of Confidential Communication Form
Request For Restriction on Use and Disclosure of Protected health information
Review your rights as a CalOptima Health OneCare member. If you think you see fraud or waste, call our Compliance and Ethics Hotline at 1-855-507-1805 (TTY 711) or complete our fraud, waste and abuse reporting form.
CalOptima Health OneCare Member Rights and Responsibilities
How to Report and Solve Problems
View additional forms for our OneCare members.
You could qualify to be a OneCare member if you:
Search our network to find a trusted provider that meets your health care needs.
See the benefits and services our OneCare program offers.
Understand how advance care planning helps you make informed decisions about your health care.
Read about our pharmacy benefit for info on our covered medicines and services.
Access the tools you need to get the most from your medicines.
To file a complaint with Medicare, click on the following link to complete a complaint form on the Medicare website: Medicare Complaint Form.