Plan year 2027 · Medicare AdvantageCMS files of Sept. 22 and Oct. 1, 2026
Together Blue Medicare HMO with AHN Signature, 2027
H3957Contract048Plan
HMO · 6 counties in Pennsylvania
Run by Highmark Choice Company (contract H3957), sold as Highmark Blue Cross Blue Shield or Highmark Blue Shield, owned by Highmark Health
Together Blue Medicare HMO with AHN Signature (H3957-048) costs $0 a month in 2027, the same as in 2026, with an in-network out-of-pocket limit of $6,250 ($4,900 in 2026). In 2026 it was called Together Blue Medicare HMO Signature.
What changes from 2026 to 2027?
| What you pay or get | 2026 | 2027 | Change |
|---|---|---|---|
| Plan name | Together Blue Medicare HMO Signature | Together Blue Medicare HMO with AHN Signature | renamed |
| In-network out-of-pocket limit | $4,900 | $6,250 | ▲up $1,350 |
| Drug deductible | $615 | $700 | ▲up $85 |
| Part B premium reduction, monthly | $38 | $19 | ▼down $19 |
| Specialist visit | $10 copay | $20 copay | ▲up $10 |
| Hospital stay, in network | $200 a stay | $275 a stay | ▲up $75for a 5-day stay |
| 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 $221 a day for days 21–100 | ▲up $30for a 30-day stay |
| Eyewear, yearly limit | $350 a year | not offered | ▼dropped |
| Over-the-counter items, yearly | $780 a year | $180 a year | ▼down $600 |
| Counties served | 5 | 6 | ▲up 1 |
| Drug tier 3, preferred brand | 20% of the cost | 23% of the cost | ▲up 3 points |
| 11 lines do not change | |||
| Monthly premium | $0 | $0 | no change |
| Primary care visit | $0 copay | $0 copay | no change |
| Emergency room | $130 copay | $130 copay | no change |
| Medical deductible, in network | none | none | no change |
| Ground ambulance, in network | $215 copay | $215 copay | 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 |
| Drug tier 1, preferred generic | $7 | $7 | no change |
| Drug tier 2, generic | $15 | $15 | 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?
| Tier | What the tier holds | 2026, standard pharmacy | 2027, standard pharmacy | 2027, preferred pharmacy |
|---|---|---|---|---|
| Tier 1 | Preferred Generic | $7 | $7 | $0 |
| Tier 2 | Generic | $15 | $15 | $0 |
| Tier 3 | Preferred Brand | 20% of the cost | 23% of the cost | 23% of the cost |
| Tier 4 | Non-Preferred Drug | 25% of the cost | 25% of the cost | 25% of the cost |
| Tier 5 | Specialty Tier | 25% of the cost | 25% of the cost | 25% 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, 76 plans open to everyone are sold for 2027, this one included. Against the others, 32 plans have a lower out-of-pocket limit, 43 a higher one. On the premium, 39 the same, 36 a higher one.
Out-of-pocket limits of the 76 plans open to everyone
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 6 counties: $0 a month and $6,250.
Pennsylvania
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
- H3957-048
- Legal name of the contract
- Highmark Choice Company
- Sold as
- Highmark Blue Cross Blue Shield or Highmark Blue Shield
- Parent company
- Highmark Health
- Plan type
- HMO
- 2026 star rating of the contract
- 4.5 of 5 overall; health plan 4.5 of 5, drug plan 5 of 5
- Members, September 2026
- 5,941
- Plan website, as filed with CMS
- medicare.highmark.com
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 Allegheny, PAWhere most of its members live; premiums and limits side by side
- Every Highmark Blue Cross Blue Shield or Highmark Blue Shield plan for 2027Its contracts, counties and plans that end
- The other 10 plans of contract H3957Same company, same contract
- 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.