Medicare Advantage insurer · Part of California Physicians' Service · 2026
Blue Shield of California
According to the Centers for Medicare & Medicaid Services (CMS) 2026 plan-year files, Blue Shield of California markets 15 Medicare Advantage plans across 1 state; average CMS star rating 3.9★.
- 15
- Plans offered
- 3.9★
- Avg: Average
- 1
- States covered
- 0
- 5-star plans
The short answer
Blue Shield of California ranks #40 of 288 Medicare Advantage insurers by plan inventory (15 plans) but #101 by average CMS star (3.90★).
- #40
- inventory rank
- 15
- plans offered
- #101
- avg star rank
- 3.90★
- mean CMS rating
CMS assigns star ratings at the contract level; inventory breadth and average quality move on different axes.
Wider MA inventory book
Blue Shield of California in the wider-inventory third
Blue Shield of California ranks #40 of 288 insurers by plan count (15 MA plans) - top-third inventory breadth in the CMS file. Blue Shield of California markets 15 Medicare Advantage plans across 1 state and 14 counties - a top-third inventory book (#40 of 288 by plan count). Inside the California Physicians' Service family. Product mix HMO; 0 plans at 5 stars. Enrollment is not disclosed in the public file for this plan year. According to PlainMedicare's CMS plan-year corpus ranking, Blue Shield of California ranks #40 of 288 Medicare Advantage insurers by plan count and #101 of 212 by average CMS star rating. Figures are CMS public-use data, informational only, not counseling.
PRE-BONUS · ONE-STATE · CONTRACT-WIDE · HMO-BOOK · plans #40/288 · stars #101/212
States Covered
Where Blue Shield of California sits on CMS quality
Average CMS star rating across the insurer's own Medicare Advantage plans, against every rated insurer in the CMS file
3.9★ Top 47% higher than 53% of 212 Medicare Advantage insurers
Each bar is a band; taller bars hold more Medicare Advantage insurers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source CMS Medicare Advantage Star Ratings 2026 · 2026-09-01
Plans Offered by Blue Shield of California
| Plan Name | Type | State | Stars | Action |
|---|---|---|---|---|
| CALIFORNIA PHYSICIANS' SERVICE | HMO | CA | 4.0 | View details → |
| CALIFORNIA PHYSICIANS' SERVICE | HMO | CA | 4.0 | View details → |
| CALIFORNIA PHYSICIANS' SERVICE | HMO | CA | 4.0 | View details → |
| CALIFORNIA PHYSICIANS' SERVICE | HMO | CA | 4.0 | View details → |
| CALIFORNIA PHYSICIANS' SERVICE | HMO | CA | 4.0 | View details → |
| CALIFORNIA PHYSICIANS' SERVICE | HMO | CA | 4.0 | View details → |
| CALIFORNIA PHYSICIANS' SERVICE | HMO | CA | 4.0 | View details → |
| CALIFORNIA PHYSICIANS' SERVICE | HMO | CA | 4.0 | View details → |
| CALIFORNIA PHYSICIANS' SERVICE | HMO | CA | 4.0 | View details → |
| CALIFORNIA PHYSICIANS' SERVICE | HMO | CA | 4.0 | View details → |
| CALIFORNIA PHYSICIANS' SERVICE | HMO | CA | 4.0 | View details → |
| CALIFORNIA PHYSICIANS' SERVICE | HMO | CA | 4.0 | View details → |
| CALIFORNIA PHYSICIANS' SERVICE | HMO | CA | 3.5 | View details → |
| California Physicians' Service | HMO | CA | 3.5 | View details → |
| California Physicians' Service | HMO | CA | 3.5 | View details → |
Read our methodology - how this data is sourced, computed, and verified.
Nationwide insurers with similar Medicare Advantage scale or CMS quality
Data-derived peers across the CMS organization file: nearest MA plan inventory and nearest average CMS star rating. Not parent-org containment or same-state footprint overlap.
Similar plan inventory
- Anthem Blue Cross Partnership Plan 15 plans
- Blue Cross and Blue Shield of Minnesota 15 plans
- Florida Blue HMO 15 plans
- Optimum HealthCare, Inc. 15 plans
- PacificSource Medicare 15 plans
- ATRIO Health Plans 16 plans
Similar average CMS star rating
- Tufts Health Plan 3.9★
- Essence Healthcare 4.0★
- Allina Health Aetna Medicare 4.0★
- Braven Health 4.0★
- MVP Health Care 3.8★
- Quartz Medicare Advantage (HMO) 4.0★
Read with Blue Shield of California
ABS(plans_count) peers first, then an ABS(avg_star) quality pole and a stamp-branched guide, not a fixed Related strip. This page stamps PRE-BONUS · ONE-STATE · CONTRACT-WIDE · HMO-BOOK.
ABS(plans_count) peer at 15 MA plans (Δ 0 wider vs Blue Shield of California); PRE-BONUS · ONE-STATE vs this page's PRE-BONUS · ONE-STATE · CONTRACT-WIDE.
ABS(plans_count) peer at 15 MA plans (Δ 0 wider vs Blue Shield of California); TOP-TIER · ONE-STATE vs this page's PRE-BONUS · ONE-STATE · CONTRACT-WIDE.
ABS(plans_count) peer at 15 MA plans (Δ 0 wider vs Blue Shield of California); PRE-BONUS · REGIONAL vs this page's PRE-BONUS · ONE-STATE · CONTRACT-WIDE.
ABS(plans_count) peer at 15 MA plans (Δ 0 wider vs Blue Shield of California); BONUS-TIER · ONE-STATE vs this page's PRE-BONUS · ONE-STATE · CONTRACT-WIDE.
ABS(avg_star) pole at 3.9★ (Δ 0.0 vs Blue Shield of California's PRE-BONUS): CONTRACT-MID · ONE-STATE.
Blue Shield of California's PRE-BONUS mean sits under the 4.0★ Quality Bonus Payment line; star measure domains matter before you weigh HMO-BOOK networks.
Using Blue Shield of California's plan lineup
Star rating and plan availability, not the insurer's size alone.
- Blue Shield of California ranks 101 of 212 insurers by average CMS star rating (3.9★ average) - compare against the plans available in your own county. How star ratings work
- Weigh total cost, not just premium: compare plan details using Medicare.gov before you enroll. Medicare Plan Compare
- Check that your doctors and drugs are in-network before you enroll, and confirm the plan on Medicare.gov. Choosing a plan
Insurer-level averages combine every plan the organization files with CMS; the plan sold in your county may differ.
PlainMedicare is rendered directly from CMS Medicare Advantage and Part D public files, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a correction. Data current as of 2026-09-01.