Medicare contract · plan years 2026 and 2027CMS landscape and crosswalk
California Physicians' Service (H5928)
H5928Contract
A company of California Physicians' Service, sold as Blue Shield of California
2 plans in 2027 (2 in 2026) · 7,656 members in September 2026
California Physicians' Service is the California Physicians' Service company that holds Medicare contract H5928, sold as Blue Shield of California. In 2027 it offers 2 plans (2 in 2026); every one of its 2026 plans continues in 2027. 7,656 people were in its plans in September 2026.
What plans does H5928 offer for 2027?
| Plan | Type | Monthly premium | Out-of-pocket limit | Area | For 2027 |
|---|---|---|---|---|---|
| Blue Shield AdvantageOptimum PlanH5928-004 | HMO | $0 | $3,600 | 2 counties | renews |
| Blue Shield AdvantageOptimum Plan 1H5928-010 | HMO | $0 | $4,400 | 1 county | renews |
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 3.5 of 5 (health plan 3.5 of 5, drug plan 4 of 5). Of its 37 rated measures, the lowest and the highest:
| Lowest-rated measures | Stars |
|---|---|
| Controlling High Blood Pressure | 2 |
| Plan All-Cause Readmissions | 2 |
| Getting Needed Care | 2 |
| Plan Makes Timely Decisions about Appeals | 2 |
| Highest-rated measures | Stars |
|---|---|
| MPF Price Accuracy | 5 |
| Drug Plan Quality Improvement | 5 |
| Call Center – Foreign Language Interpreter and TTY Availability | 5 |
| Kidney Health Evaluation for Patients with Diabetes | 5 |
Source: CMS Part C and D Star Ratings data tables, 2026 (October 2025).
What else should you check?
- All Blue Shield of California plansEvery contract of the brand
- Star ratings of every contractThe 2026 ratings, and 2027 when CMS publishes them
- Find a plan by its IDFrom the card or a letter