Skip to main content

Independent; not a government site. Official answers: Medicare.gov, 1-800-MEDICARE.

Medicare contract · plan years 2026 and 2027CMS landscape and crosswalk

Orange County Health Authority (H5433)

H5433Contract

A company of Orange County Health Authority, sold as CalOptima Health OneCare

1 plan in 2027 (1 in 2026) · 19,132 members in September 2026

Offers plans in 2027

2026 rating: 3 of 5

Orange County Health Authority is the Orange County Health Authority company that holds Medicare contract H5433, sold as CalOptima Health OneCare. In 2027 it offers 1 plan (1 in 2026); every one of its 2026 plans continues in 2027. 19,132 people were in its plans in September 2026.

What plans does H5433 offer for 2027?

Its one plan
PlanTypeMonthly premiumOut-of-pocket limitAreaFor 2027
CalOptima Health OneCare CompleteH5433-001HMO D-SNP$7.30$9,8501 countyrenews

Source: CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision); CMS plan crosswalk from 2026 to 2027 (Oct. 1, 2026).

How did CMS rate it for 2026?

The overall rating is 3 of 5 (health plan 2.5 of 5, drug plan 3 of 5). Of its 45 rated measures, the lowest and the highest:

Lowest-rated measuresStars
Improving Bladder Control1
Getting Needed Care1
Getting Appointments and Care Quickly1
Customer Service1
Highest-rated measuresStars
MPF Price Accuracy5
Complaints about the Drug Plan5
Complaints about the Health Plan5
Statin Use in Persons with Diabetes (SUPD)4

Source: CMS Part C and D Star Ratings data tables, 2026 (October 2025).

What else should you check?