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H0107 · Blue Cross and Blue Shield of Montana (HEALTH CARE SERVICE CORPORATION): 2027 Star Rating

H0107 (Blue Cross and Blue Shield of Montana, HEALTH CARE SERVICE CORPORATION) earned 4.0 stars in the 2027 Medicare Advantage Star Ratings, up from 3.5 in 2026. Parent company: Health Care Service Corporation. Plan type: Local CCP.

2027 overall CMS
4.0
Part C 4.5 · Part D 4.5
2026 overall CMS
3.5
Part C 3.5 · Part D 3.5
Change Calc
+0.5
2027 vs 2026
Members Calc
0
CMS county files, October 2026
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What stands out for H0107

Weakest high-weight measures

Measures with weight 2 or more and the lowest stars. These move the overall rating most.

All 2027 measure scores Sourced: CMS

MeasureWeightScoreStars
Breast Cancer Screening (C01)×1824
Colorectal Cancer Screening (C02)×1774
Annual Flu Vaccine (C03)×1745
Improving or Maintaining Physical Health (C04)×3734
Improving or Maintaining Mental Health (C05)×3885
Monitoring Physical Activity (C06)×1543
Osteoporosis Management in Women who had a Fracture (C10)×1292
Diabetes Care - Eye Exam (C11)×1702
Diabetes Care - Blood Sugar Controlled (C12)×3935
Kidney Health Evaluation for Patients with Diabetes (C13)×1643
Controlling High Blood Pressure (C14)×3803
Reducing the Risk of Falling (C15)×1532
Improving Bladder Control (C16)×1474
Plan All-Cause Readmissions (C17)×3104
Statin Therapy for Patients with Cardiovascular Disease (C18)×1842
Transitions of Care (C19)×1583
Follow-up after Emergency Department Visit for People with Multiple High-Risk Chronic Conditions (C20)×1602
Getting Needed Care (C21)×2834
Getting Appointments and Care Quickly (C22)×2844
Customer Service (C23)×2893
Rating of Health Care Quality (C24)×2894
Rating of Health Plan (C25)×2895
Care Coordination (C26)×2873
Complaints about the Health Plan (C27)×20.085
Members Choosing to Leave the Plan (C28)×225
Health Plan Quality Improvement (C29)×5–4
Plan Makes Timely Decisions about Appeals (C30)×21005
Reviewing Appeals Decisions (C31)×2994
Call Center - Foreign Language Interpreter and TTY Availability (C32)×21005
Call Center - Foreign Language Interpreter and TTY Availability (D01)×21005
Complaints about the Drug Plan (D02)×20.085
Members Choosing to Leave the Plan (D03)×225
Drug Plan Quality Improvement (D04)×5–4
Rating of Drug Plan (D05)×2874
Getting Needed Prescription Drugs (D06)×2893
MPF Price Accuracy (D07)×11005
Medication Adherence for Diabetes Medications (D08)×3893
Medication Adherence for Hypertension (RAS antagonists) (D09)×3904
Medication Adherence for Cholesterol (Statins) (D10)×3904
Statin Use in Persons with Diabetes (SUPD) (D11)×1852
Concurrent Use of Opioids and Benzodiazepines (COB) (D12)×1104
Polypharmacy: Use of Multiple Anticholinergic Medications in Older Adults (Poly-ACH) (D13)×164
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Other Health Care Service Corporation contracts

Sources: CMS 2027 and 2026 Star Ratings data tables (CMS Part C and D performance data); CMS monthly enrollment by contract and county (October 2026). Sourced: CMS marks figures taken from CMS. Calculated marks figures Carelytics added up or compared. Built 2026-10-25.