Plan year 2027 · Medicare AdvantageCMS files of Sept. 22 and Oct. 1, 2026

Contra Costa Health Care Plus, 2027

H5119Contract001Plan

HMO D-SNP · special needs plan, dual-eligible · 1 county in California

Run by Contra Costa County Medical Service Dba Contra Costa Health Plan (contract H5119), sold as Contra Costa Health Care Plus (HMO D-SNP), owned by Contra Costa Health Services

Renews for 2027

2026 star rating, contract H5119: not rated (too new)

Contra Costa Health Care Plus (H5119-001) costs $7.30 a month in 2027, down $4.70 from 2026, with an in-network out-of-pocket limit of $9,850 ($9,250 in 2026).

What changes from 2026 to 2027?

The changed lines are marked and come first. In-network amounts; members keep paying the Part B premium unless the plan reduces it.
What you pay or get	2026	2027	Change
Monthly premium	$12	$7.30	down $4.70
In-network out-of-pocket limit	$9,250	$9,850	up $600
Drug deductible	$615	$700	up $85
Eyewear, yearly limit	$200 a year	$100 a year	down $100
Over-the-counter items, yearly	$240 a year	$120 a year	down $120
Drug tier 1, preferred generic	$0	25% of the cost	changed
Drug tier 6, select care drugs	$0	15% of the cost	changed
15 lines do not change
Part B premium reduction, monthly	none	none	no change
Primary care visit	20% of the cost	20% of the cost	no change
Specialist visit	20% of the cost	20% of the cost	no change
Emergency room	20% of the cost	20% of the cost	no change
Medical deductible, in network	none	none	no change
Hospital stay, in network	not filed	not filed	no change
Skilled nursing facility, in network	not filed	not filed	no change
Ground ambulance, in network	20% of the cost	20% of the cost	no change
Comprehensive dental, yearly limit	not offered	not offered	no change
Hearing aids, yearly limit for both ears	not offered	not offered	no change
Counties served	1	1	no change
Drug tier 2, generic	25% of the cost	25% of the cost	no change
Drug tier 3, preferred brand	25% of the cost	25% of the cost	no change
Drug tier 4, non-preferred drug	25% of the cost	25% of the cost	no change
Drug tier 5, specialty tier	25% of the cost	25% of the cost	no change

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 benefit package files, 2027 and 2026; CMS plan crosswalk from 2026 to 2027 (Oct. 1, 2026). Plan details can change during the year; confirm on Medicare Plan Finder.

What will prescriptions cost?

Your share for a 30-day supply at a retail pharmacy, as filed with CMS; tiers whose share changes are marked
Tier	What the tier holds	2026	2027
Tier 1	Preferred Generic	$0	25% of the cost
Tier 2	Generic	25% of the cost	25% of the cost
Tier 3	Preferred Brand	25% of the cost	25% of the cost
Tier 4	Non-Preferred Drug	25% of the cost	25% of the cost
Tier 5	Specialty Tier	25% of the cost	25% of the cost
Tier 6	Select Care Drugs	$0	15% of the cost

Source: CMS plan benefit package files, 2027 and 2026. Insulin is capped at $35 a month by law. A drug's tier is set by the plan's formulary.

How does it compare with plans sold where it is?

In the counties it serves, 2 dual-eligible special needs plans are sold for 2027, this one included. Against the others, 1 the same. On the premium, 1 plan has a lower premium.

Out-of-pocket limits of the 2 dual-eligible special needs plans

$0 to under $2,0000 plans

$2,000 to under $4,0000 plans

$4,000 to under $6,0000 plans

$6,000 to under $8,0000 plans

$8,000 to $10,000 (this plan)2 plans

Source: CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision).

Where is it sold, and what does it cost there?

The premium and the out-of-pocket limit are the same in all 1 county: $7.30 a month and $9,850.

California

Contra Costa

Source: CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision).

Who runs this plan?

Plan ID: H5119-001
Legal name of the contract: Contra Costa County Medical Service Dba Contra Costa Health Plan
Sold as: Contra Costa Health Care Plus (HMO D-SNP)
Parent company: Contra Costa Health Services
Plan type: HMO D-SNP
2026 star rating of the contract: not rated (too new) overall; health plan not rated, drug plan not rated
Members, September 2026: 598
Plan website, as filed with CMS: www.cchealth.org/careplus

Source: CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision); CMS 2026 Star Ratings (October 2025); CMS monthly enrollment by plan and by county, September 2026 (CMS hides counts under 11). CMS publishes the 2027 Star Ratings in October 2026.

What else should you check?

Other 2027 plans in Contra Costa, CAWhere most of its members live; premiums and limits side by side
Every Contra Costa Health Care Plus (HMO D-SNP) plan for 2027Its contracts, counties and plans that end
Is your prescription covered?Coverage share and tier for 2,259 drugs

Data, not advice. These are the plan's filed amounts, not a quote for you; confirm on Medicare Plan Finder or call the plan before you enroll.