Medicare Advantage insurer · Part of Gemstone Holdings, Inc. · 2026
Blue Cross of Idaho
According to the Centers for Medicare & Medicaid Services (CMS) 2026 plan-year files, Blue Cross of Idaho markets 8 Medicare Advantage plans across 1 state; average CMS star rating 3.5★.
- 8
- Plans offered
- 3.5★
- Avg: Average
- 1
- States covered
- 0
- 5-star plans
The short answer
Blue Cross of Idaho ranks #76 of 288 Medicare Advantage insurers by plan inventory (8 plans) but #116 by average CMS star (3.50★).
- #76
- inventory rank
- 8
- plans offered
- #116
- avg star rank
- 3.50★
- mean CMS rating
CMS assigns star ratings at the contract level; inventory breadth and average quality move on different axes.
Product mix · this insurer
How 8 Blue Cross of Idaho plans split by CMS plan type
Exclusive plan-type inventory for this organization in plans_unique, orthogonal to the star-distribution chart below.
Wider MA inventory book
Blue Cross of Idaho in the wider-inventory third
Blue Cross of Idaho ranks #76 of 288 insurers by plan count (8 MA plans) - top-third inventory breadth in the CMS file. Blue Cross of Idaho markets 8 Medicare Advantage plans across 1 state and 24 counties - a top-third inventory book (#76 of 288 by plan count). Inside the Gemstone Holdings, Inc. family. Product mix HMO, Local PPO; 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 Cross of Idaho ranks #76 of 288 Medicare Advantage insurers by plan count and #116 of 212 by average CMS star rating. Figures are CMS public-use data, informational only, not counseling.
PRE-BONUS · ONE-STATE · CONTRACT-MID · MIXED-BOOK · plans #76/288 · stars #116/212
States Covered
Where Blue Cross of Idaho sits on CMS quality
Average CMS star rating across the insurer's own Medicare Advantage plans, against every rated insurer in the CMS file
3.5★ Top 53% higher than 47% 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 Cross of Idaho
| Plan Name | Type | State | Stars | Action |
|---|---|---|---|---|
| BLUE CROSS OF IDAHO HEALTH SERVICE, INC. | HMO | ID | 3.5 | View details → |
| BLUE CROSS OF IDAHO HEALTH SERVICE, INC. | HMO | ID | 3.5 | View details → |
| BLUE CROSS OF IDAHO HEALTH SERVICE, INC. | HMO | ID | 3.5 | View details → |
| BLUE CROSS OF IDAHO HEALTH SERVICE, INC. | HMO | ID | 3.5 | View details → |
| BLUE CROSS OF IDAHO HEALTH SERVICE, INC. | HMO | ID | 3.5 | View details → |
| BLUE CROSS OF IDAHO HEALTH SERVICE, INC. | HMO | ID | 3.5 | View details → |
| BLUE CROSS OF IDAHO HEALTH SERVICE, INC. | HMO | ID | 3.5 | View details → |
| BLUE CROSS OF IDAHO HEALTH SERVICE, INC. | Local PPO | ID | N/R | View details → |
Read our methodology - how this data is sourced, computed, and verified.
Read with Blue Cross of Idaho
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-MID · MIXED-BOOK.
ABS(plans_count) peer at 8 MA plans (Δ 0 wider vs Blue Cross of Idaho); TOP-TIER · ONE-STATE vs this page's PRE-BONUS · ONE-STATE · CONTRACT-MID.
ABS(plans_count) peer at 8 MA plans (Δ 0 wider vs Blue Cross of Idaho); BELOW-PAR · ONE-STATE vs this page's PRE-BONUS · ONE-STATE · CONTRACT-MID.
ABS(plans_count) peer at 8 MA plans (Δ 0 wider vs Blue Cross of Idaho); BONUS-TIER · ONE-STATE vs this page's PRE-BONUS · ONE-STATE · CONTRACT-MID.
ABS(plans_count) peer at 8 MA plans (Δ 0 wider vs Blue Cross of Idaho); BONUS-TIER · ONE-STATE vs this page's PRE-BONUS · ONE-STATE · CONTRACT-MID.
ABS(avg_star) pole at 3.5★ (Δ 0.0 vs Blue Cross of Idaho's PRE-BONUS): CONTRACT-WIDE · ONE-STATE.
Blue Cross of Idaho's PRE-BONUS mean sits under the 4.0★ Quality Bonus Payment line; star measure domains matter before you weigh MIXED-BOOK networks.
Using Blue Cross of Idaho's plan lineup
Star rating and plan availability, not the insurer's size alone.
- Blue Cross of Idaho ranks 116 of 212 insurers by average CMS star rating (3.5★ 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.