Medicare contract · plan years 2026 and 2027CMS landscape and crosswalk
Hcsc Insurance Services Company (H1666)
H1666Contract
A company of Health Care Service Corporation, sold as Blue Cross and Blue Shield of NM, TX
0 plans in 2027 (12 in 2026) · 15,625 members in September 2026
Hcsc Insurance Services Company is the Health Care Service Corporation company that holds Medicare contract H1666, sold as Blue Cross and Blue Shield of NM, TX. In 2027 it offers 0 plans (12 in 2026); 12 of its 2026 plans are not offered in 2027. 15,625 people were in its plans in September 2026.
Which of its plans end?
| 2026 plan | Members, Sept. 2026 | Counties in 2026 |
|---|---|---|
| Blue Cross Medicare Advantage Dental PremierH1666-016 | 4,275 | 17 |
| Blue Cross Medicare Advantage Choice PremierH1666-003 | 3,862 | 34 |
| Blue Cross Medicare Advantage Choice PremierH1666-012 | 2,764 | 17 |
| Blue Cross Medicare Advantage OptimumH1666-022 | 1,650 | 34 |
| Blue Cross Medicare Advantage Choice PlusH1666-006 | 950 | 12 |
| Blue Cross Medicare Advantage Health ChoiceH1666-014 | 887 | 17 |
| Blue Cross Medicare Advantage OptimumH1666-024 | 314 | 15 |
| Blue Cross Medicare Advantage BalanceH1666-023 | 312 | 15 |
| Blue Cross Medicare Advantage AccessH1666-021 | 191 | 19 |
| Blue Cross Medicare Advantage OptimumH1666-020 | 179 | 12 |
| Blue Cross Medicare Advantage BalanceH1666-019 | 149 | 12 |
| Blue Cross Medicare Advantage Choice PlusH1666-008 | 92 | 6 |
Source: CMS plan crosswalk from 2026 to 2027 (Oct. 1, 2026); CMS monthly enrollment by plan and by county, September 2026 (CMS hides counts under 11).
Which employer and union group plans does it hold?
H1666 also holds 5 group plans offered through former employers and unions, with 183 members in September 2026 (plans with fewer than 11 not counted). They are not sold to individuals, so the landscape files list no premiums or benefits for them; the employer or union sends their 2027 terms.
| Plan ID | Plan name | Members, Sept. 2026 | 2027 |
|---|---|---|---|
| H1666-801 | Blue Cross Group Medicare Advantage Plan | 183 | renews |
| H1666-803 | Blue Cross Group Medicare Advantage Plan | fewer than 11 | renews |
| H1666-805 | Blue Cross Group Medicare Advantage Plan | fewer than 11 | renews |
| H1666-807 | Blue Cross Group Medicare Advantage Plan | fewer than 11 | not offered in 2027 |
| H1666-808 | Blue Cross Group Medicare Advantage Plan | fewer than 11 | not offered in 2027 |
Source: CMS monthly enrollment by plan and by county, September 2026 (CMS hides counts under 11); 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 3 of 5, drug plan 3 of 5). Of its 41 rated measures, the lowest and the highest:
| Lowest-rated measures | Stars |
|---|---|
| Diabetes Care – Eye Exam | 2 |
| Kidney Health Evaluation for Patients with Diabetes | 2 |
| Reducing the Risk of Falling | 2 |
| Improving Bladder Control | 2 |
| Highest-rated measures | Stars |
|---|---|
| Medication Adherence for Diabetes Medications | 5 |
| Reviewing Appeals Decisions | 5 |
| Statin Use in Persons with Diabetes (SUPD) | 4 |
| Drug Plan Quality Improvement | 4 |
Source: CMS Part C and D Star Ratings data tables, 2026 (October 2025).
What else should you check?
- All Blue Cross and Blue Shield of NM, TX 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