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PlainMedicare

Plan year 2026 · coverage ends Dec. 31, 2026CMS crosswalk of Oct. 1, 2026

Optimum Diamond Rewards is not offered under this ID in 2027

H5594Contract034Plan

HMO C-SNP · served 7 counties in Florida in 2026

Run by Optimum Healthcare, Inc. (contract H5594), sold as Optimum HealthCare, Inc., owned by Elevance Health, Inc.

CMS crosswalk: members move into H5594-030

Folds into H5594-030

Optimum Diamond Rewards (H5594-034) is not offered under this ID in 2027: the CMS plan crosswalk of October 1, 2026 moves its members into Optimum Diamond Savings (H5594-030), which is sold in every county it served. fewer than 11 people were enrolled in it in September 2026; they can also choose another plan during open enrollment, October 15 to December 7, 2026.

What changes for its members in Optimum Diamond Savings?

For its members: this plan's 2026 amounts beside Optimum Diamond Savings (H5594-030) in 2027. The changed lines are marked and come first.
What you pay or get20262027Change
Plan nameOptimum Diamond RewardsOptimum Diamond Savingsrenamed
In-network out-of-pocket limit$6,800$5,000down $1,800
Part B premium reduction, monthlynone$65added
Specialist visit$40 copay$30 copaydown $10
Emergency room$115 copay$130 copayup $15
Hospital stay, in network$225 a day for days 1–7, then $0 a day for days 8–90$195 a day for days 1–7, then $0 a day for days 8–90down $150for a 5-day stay
Eyewear, yearly limit$100 a year$150 a yearup $50
Over-the-counter items, yearly$300 a year$360 a yearup $60
Counties served718up 11
Drug tier 2, preferred brand$47$35down $12
Drug tier 3, non-preferred drug$100$90down $10
11 lines do not change
Monthly premium$0$0no change
Drug deductible$0$0no change
Primary care visit$0 copay$0 copayno change
Medical deductible, in networknonenoneno change
Skilled nursing facility, in network$0 a day for days 1–20, then $218 a day for days 21–100$0 a day for days 1–20, then $218 a day for days 21–100no change
Ground ambulance, in network$200 copay$200 copayno change
Comprehensive dental, yearly limitnot offerednot offeredno change
Hearing aids, yearly limit for both ears$500 a year$500 a yearno change
Drug tier 1, preferred generic$0$0no change
Drug tier 4, specialty tier33% of the cost33% of the costno change
Drug tier 5, select diabetic drugs$10$10no change

Source: CMS plan crosswalk from 2026 to 2027 (Oct. 1, 2026); 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. Your plan's Annual Notice of Change is the letter that confirms your 2027 plan; confirm on Medicare Plan Finder.

What can members do, and by when?

If you do nothing
You are moved into Optimum Diamond Savings on January 1, 2027.
October 15 to December 7, 2026
Open enrollment: choose another Medicare Advantage plan, or Original Medicare with a drug plan, instead.
January 1 to March 31, 2027
Medicare Advantage open enrollment: switch once to another Medicare Advantage plan or to Original Medicare.

Source: Medicare.gov, “Special enrollment periods” and “Joining a plan” (read Oct. 7, 2026).

Where did its members live?

Where its members lived in September 2026; each county and state page lists the 2027 plans sold there.

All 7 counties, most members first; CMS hides counts under 11 per county, so the counties add up to a little less than the plan's total
CountyMembers, Sept. 2026For 2027
Brevard, FLfewer than 11moves into H5594-030
Charlotte, FLfewer than 11moves into H5594-030
Collier, FLfewer than 11moves into H5594-030
Indian River, FLfewer than 11moves into H5594-030
Lee, FLfewer than 11moves into H5594-030
Martin, FLfewer than 11moves into H5594-030
St. Lucie, FLfewer than 11moves into H5594-030

Source: CMS monthly enrollment by plan and by county, September 2026 (CMS hides counts under 11).

What else should you check?