Yes, you can have Medi-Cal and private insurance together in California. The two plans coordinate: your private insurer pays first on any claim, and Medi-Cal picks up remaining copays, deductibles, and covered services the private plan didn’t pay, up to the Medi-Cal rate. Holding both is common when you qualify for Medi-Cal by income but also have a job-based plan or coverage through a spouse. Keeping the arrangement working takes three things from you: staying under the income limits, telling the state about the private coverage, and using providers enrolled in both programs.
The California Department of Health Care Services calls any outside policy Other Health Coverage, or OHC. Beneficiaries with OHC through a commercial plan, Medicare, TRICARE, or another source can keep it after enrolling in Medi-Cal managed care.1California Department of Health Care Services. OHC and MMCE Fact Sheet Eligibility turns on income and household size, not on whether you also carry a private insurance card.
Which Plan Pays First
Medi-Cal is the payer of last resort. Every other insurance source pays before the state spends a dollar.1California Department of Health Care Services. OHC and MMCE Fact Sheet Federal Third Party Liability rules set this sequence in place.2eCFR. 42 CFR 433.138 – Identifying Liable Third Parties
In a routine visit, your provider bills the private plan first. The plan processes the claim and pays its share. Any balance left over — a copay, coinsurance, or a non-covered service — then goes to Medi-Cal, which pays up to its allowed rate for that service.3eCFR. 42 CFR 433.139 – Payment of Claims If the private plan already paid at or above the Medi-Cal rate, the state pays nothing more.
You don’t get to choose the order. Claims submitted to Medi-Cal first will be rejected when the state has a private plan on file.3eCFR. 42 CFR 433.139 – Payment of Claims The upside is real: for covered services, your out-of-pocket cost between the two plans should be close to zero.
Reporting Your Private Coverage to the State
You have to tell DHCS about the private plan. The state needs the carrier name, policy number, group number, and effective date so it can flag your file and providers know to bill the private plan first. The form is the DHCS 6168, Potential Third Party Liability Notification.4Department of Health Care Services. Potential Third Party Liability Notification DHCS 6168
If the state doesn’t know you have private coverage, providers may bill Medi-Cal first, and the state will later seek reimbursement. That creates a billing mess for you and the provider both.
DHCS also requires you to report income changes, household changes, address changes, and pregnancy within ten days, through your county social services office.5DHCS – CA.gov. Update Your Information Missing that window doesn’t automatically end coverage, but mismatched records can cause problems at your annual renewal.
Income Limits That Can End Your Medi-Cal
Private insurance doesn’t disqualify you. Income does. Medi-Cal uses Modified Adjusted Gross Income measured against the Federal Poverty Level. For 2026, the FPL for a single person in the 48 contiguous states is $15,960 a year.6U.S. Department of Health and Human Services. 2026 Poverty Guidelines
The 2026 income ceilings differ by who is applying:7Covered California. Program Eligibility by Federal Poverty Level for 2026
- Adults ages 19 through 64: up to 138% of the FPL, roughly $22,025 a year for one person.
- Children ages 0 through 18: up to 266% of the FPL, about $42,454 a year for a one-child household.
- Pregnant individuals: up to 213% of the FPL, about $33,995 a year for one person.
The dollar figures scale up with household size. The state reviews your income at renewal using tax filings and reported wages. If a new job pushes you above the relevant threshold, you’ll lose Medi-Cal and shift to your private plan alone, or to a subsidized Covered California plan if you qualify.
Kids get an extra buffer. California provides 12 months of continuous Medi-Cal for children up to age 19, so a mid-year income increase doesn’t interrupt their coverage until the next renewal.8Department of Health Care Services. Continuous Coverage for Kids 1115 Amendment Adults don’t have that protection.
The HSA Problem With Employer High-Deductible Plans
If your employer plan is a high-deductible health plan paired with a Health Savings Account, Medi-Cal enrollment blocks HSA contributions. Federal tax law requires HSA-eligible individuals to have no health coverage beyond their high-deductible plan, apart from a narrow permitted list like dental, vision, and disability insurance.9Office of the Law Revision Counsel. 26 U.S. Code 223 – Health Savings Accounts Medi-Cal isn’t on that list.
Medi-Cal covers medical benefits that overlap the HDHP, so you lose HSA contribution eligibility while enrolled.10Internal Revenue Service. Publication 969, Health Savings Accounts and Other Tax-Favored Health Plans You can still hold the HDHP itself, but the tax-advantaged account attached to it goes away. For someone near the Medi-Cal income ceiling, the HSA tax savings can outweigh the value of keeping Medi-Cal as secondary coverage. Run the numbers before assuming both are worth carrying.
Your Provider Has to Be Enrolled in Both
The dual billing sequence only works if your doctor is enrolled as a Medi-Cal provider. A provider who takes your private plan but isn’t in the Medi-Cal program can’t bill Medi-Cal for the leftover balance.11CMS. Medicaid Provider Enrollment Requirements Frequently Asked Questions You’d owe the copays and coinsurance the state would otherwise pay.
Check both networks before scheduling. If you’re in a Medi-Cal managed care plan, use its provider directory. An out-of-network choice on either side can produce bills that neither plan covers.
If You Have Medicare Too
Many Medi-Cal beneficiaries also have Medicare, especially people 65 and older and those with disabilities. For these dual-eligibles, Medicare pays first and Medi-Cal covers allowable remaining costs.12Medicare.gov. Who Pays First? Federal law bars providers from billing Qualified Medicare Beneficiaries for Part A and Part B cost-sharing at all.13CMS. Prohibition on Billing Qualified Medicare Beneficiaries If you get a bill for those charges, don’t pay it; DHCS says dual-eligibles should never pay out of pocket for Medicare-covered services, with narrow exceptions for Part D copays, unmet share-of-cost obligations, and services neither program covers.14DHCS – CA.gov. Balance-Billing
When the State Pays Your Private Premium
California’s Health Insurance Premium Payment program can reimburse your private insurance premiums when doing so costs the state less than paying for your Medi-Cal services directly.15DHCS – CA.gov. Cost Avoidance / Health Insurance Premium Payment (HIPP) HIPP is voluntary and limited. You need full-scope Medi-Cal, a confirmed medical condition that DHCS finds makes the arrangement cost-effective, and coverage of that condition under the private plan. You also can’t be in Medicare, TRICARE, or Medi-Cal managed care. When you qualify, the state reimburses your premiums while Medi-Cal keeps covering what the private plan doesn’t.