Medicare Advantage
Does Blue Shield fit your Stockton doctors for 2027?
STOCKTON — As the Medicare Annual Enrollment Period runs October 15 through December 7, 2026, Blue Shield of California is offering two Medicare Advantage plans in San Joaquin County for the 2027 plan year, both HMOs with drug coverage. Any choice you make in this window takes effect January 1, 2027.
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Key takeaways
- Blue Shield of California offers 2 Medicare Advantage plans in San Joaquin County for 2027, both HMOs that include drug coverage.
- The carrier has 0 plans not returning, 0 new plans and 0 renamed plans for 2027 in this county, but every renewing plan has an Annual Notice of Change worth reading.
- Blue Shield of California offers 0 Special Needs Plans (D-SNP, C-SNP or I-SNP) in San Joaquin County for 2027.
- The deadline to change coverage for January 1, 2027 is December 7, 2026; doing nothing means your current plan renews as described in its ANOC.
| Fact | Figure | Source |
|---|---|---|
| Medicare Advantage plans offered in San Joaquin County (2026) | 44 | CMS |
| Medicare Advantage plans offered in San Joaquin County (2027) | 39 | CMS |
| Plans not returning for 2027 / new for 2027 | 14 / 9 | CMS |
| Organizations offering Medicare Advantage in San Joaquin County (2026) | 12 | CMS |
| Share of eligible beneficiaries in Medicare Advantage, San Joaquin County | 55% | CMS |
| Residents age 65 and older, San Joaquin County | 107,730 | U.S. Census Bureau |
| Part B standard monthly premium (2026) | $202.90 | Medicare.gov |
| Part D out-of-pocket cap (2026) | $2,100 | CMS |
| Part D out-of-pocket cap (2027) | $2,400 | CMS |
| Annual Enrollment Period (for 2027 coverage) | October 15 – December 7, 2026 | Medicare.gov |
| Medicare Advantage Open Enrollment Period | January 1 – March 31 | Medicare.gov |
Area counts are for the county as a whole and are not a recommendation of any plan. Program figures are set nationally.
MyMedicarePlans.org is an independent consumer news site and is not affiliated with Blue Shield of California or any other insurer. We publish this snapshot so Stockton readers can see one carrier's local lineup at a glance and know what to check before December 7.
Which Blue Shield of California Medicare Advantage plans are offered in Stockton for 2027?
Stockton is in San Joaquin County, where Blue Shield of California offers two Medicare Advantage plans for 2027: Blue Shield Advantage (HMO) and Blue Shield Inspire (HMO). Both are HMOs and both include Part D prescription drug coverage. The table below lists every Blue Shield of California plan available in the county.
Blue Shield of California is one of several carriers in the county. For 2027, 10 other carriers also offer Medicare Advantage plans in San Joaquin County, for a combined total of 39 Medicare Advantage plans across all carriers.
What is new or not returning from Blue Shield of California in San Joaquin County for 2027?
Nothing is leaving and nothing is brand new from this carrier in the county for 2027: Blue Shield of California has 0 plans not returning, 0 new plans and 0 renamed plans in San Joaquin County. That said, renewing plans can still change year to year. Each member will receive an Annual Notice of Change (ANOC) from the plan by late September describing what is different for 2027, including any shifts in premiums, cost sharing, the drug list and the provider network.
Does Blue Shield of California offer any Special Needs Plans in Stockton for 2027?
For 2027, Blue Shield of California offers 0 Special Needs Plans in San Joaquin County — no Dual Eligible SNPs (D-SNP), no Chronic Condition SNPs (C-SNP) and no Institutional SNPs (I-SNP). Special Needs Plans are a type of Medicare Advantage plan limited to people who meet specific criteria, such as having both Medicare and Medi-Cal or living with certain chronic conditions. If you were looking for an SNP, you can compare the SNPs other carriers offer in the county on Medicare's Plan Finder.
How do I check a Blue Shield of California plan against my doctors and prescriptions before December 7?
Use the Medicare Plan Finder at medicare.gov, which lets you enter your ZIP code, your medications and your preferred pharmacies to see how each plan would handle them. For doctors and hospitals, check the plan's own provider directory — networks are set by the insurer, not by Medicare — and call your doctor's office to confirm they take the specific plan for 2027, not just "Blue Shield." You can also call 1-800-MEDICARE (TTY 1-877-486-2048), 24 hours a day, 7 days a week.
A few things worth checking before you decide:
- Are each of your prescriptions on the plan's 2027 formulary, and in what tier?
- Are your primary care doctor, specialists and preferred hospital in the plan's 2027 network?
- Does the plan require referrals or prior authorization for services you use?
- If you travel, how does the plan handle care outside San Joaquin County?
What is changing about Medicare in 2027 that applies to any plan I pick?
Two Part D figures are already confirmed for 2027. The Part D out-of-pocket cap rises to $2,400 in 2027 (up from $2,100 in 2026), and the Part D maximum deductible rises to $700 in 2027 (up from $615 in 2026). The Part D national base beneficiary premium for 2027 is $41.33 — that is a formula input used across the program, not what any particular plan charges.
The 2027 Part B standard premium and deductible, and the 2027 IRMAA income brackets, have not been announced yet. CMS typically publishes those figures in the fall, usually in November.
What happens if I do nothing by December 7, 2026?
If you do nothing, your current plan simply renews for 2027 as long as it is still offered, with the changes described in your Annual Notice of Change. You do not lose coverage by not acting. If you later decide the renewed plan is not the right fit, Medicare Advantage members have a second window — the Medicare Advantage Open Enrollment Period, January 1 through March 31, 2027 — to switch to another Medicare Advantage plan or return to Original Medicare.
By the numbers
Medicare Part B premium, 2006–2026
The standard monthly Part B premium has climbed from $88.50 in 2006 to $202.90 in 2026. Hover any point for that year’s premium.
Source: CMS. Standard premium shown; in some hold-harmless years many existing enrollees paid less. Confirm at Medicare.gov.
By the numbers
How people get Medicare in San Joaquin County
(MA penetration in San Joaquin County)
MA penetration from CMS enrollment data; Medigap share is an estimate. U.S. average is about 54% Medicare Advantage. These are area-level figures, not plan-specific.
2027 plan lineup
Blue Shield of California Medicare Advantage plans in San Joaquin County for 2027
CMS lists 2 Blue Shield of California Medicare Advantage plans in San Joaquin County for 2027, alphabetically by carrier. 10 other carriers also offer plans there.
| Plan | Type | Drug coverage | For 2027 |
|---|---|---|---|
| Blue Shield of California 2 plans | |||
| Blue Shield Advantage (HMO) | HMO | Yes | Returning |
| Blue Shield Inspire (HMO) | HMO | Yes | Returning |
Source: CMS Medicare Advantage Landscape Source Files, plan years 2026 and 2027. Plan availability is set at the county level. No plan is ranked or recommended; premiums, benefits, networks and star ratings are not shown. Plan details come from the Medicare Plan Finder at medicare.gov or the plan itself.
The 2027 choices, by type
How Blue Shield of California Medicare Advantage plans in San Joaquin County break down for 2027
HMO plans use a network and usually a primary-care doctor and referrals; HMO-POS plans add some out-of-network coverage; PPO plans also cover out-of-network care, at a higher share; PFFS plans pay any provider that accepts the plan’s terms. Special Needs Plans serve people with Medicare and Medicaid (D-SNP), certain chronic conditions (C-SNP) or living in an institution (I-SNP).
Source: CMS Medicare Advantage Landscape Source Files, plan years 2026 and 2027. Plan availability is set at the county level. No plan is ranked or recommended; premiums, benefits, networks and star ratings are not shown. Plan details come from the Medicare Plan Finder at medicare.gov or the plan itself.
Key dates
Medicare enrollment periods at a glance
- Around your 65thInitial Enrollment PeriodA 7-month window around the month you turn 65 — your first chance to sign up.
- October 15 – December 7Annual Enrollment PeriodAnyone with Medicare can join, switch, or drop a Medicare Advantage or Part D plan.
- January 1 – March 31Medicare Advantage Open EnrollmentIf you're already in a Medicare Advantage plan, you can make one change.
- January 1 – March 31General Enrollment PeriodFor people who missed their first chance to sign up for Part B.
- VariesSpecial Enrollment PeriodTriggered by life events like moving or losing other coverage.
Dates are set by Medicare and apply nationwide. Confirm your personal windows at Medicare.gov or 1-800-MEDICARE.
Explore
When can you enroll? An interactive year
Enrollment windows are federal and the same nationwide. Confirm your personal dates at Medicare.gov or 1-800-MEDICARE.
Explore
The parts of Medicare
Good to know
Frequently asked questions
How many Medicare Advantage plans does Blue Shield of California offer in San Joaquin County for 2027?
When is the deadline to change my Medicare coverage for 2027?
Does Blue Shield of California offer a D-SNP in Stockton for 2027?
How do I confirm my doctor and prescriptions are covered before I enroll?
- CMS — MA Landscape Source File (plan-level availability by county)
- CMS — MA Landscape Source Files, current and coming plan year (year-over-year comparison)
- CMS — Medicare enrollment periods (medicare.gov)
For personalized answers, contact Medicare.gov or 1-800-MEDICARE.
Also for Stockton
Sources and methodology
- CMS, Medicare Advantage and Part D Landscape Source Files
- CMS, Medicare Advantage state/county penetration and enrollment files
- U.S. Census Bureau, American Community Survey (table B01001, age 65 and older)
- Medicare.gov, Medicare costs (Part B premium)
- CMS, Medicare prescription drug coverage (Part D) program rules
- CMS, Medicare Advantage and Part D plan-year announcements
- Medicare.gov, enrollment periods and plan rules
Figures cited in this article
- CMS Medicare Advantage Landscape Source File (plan year 2027): the Blue Shield of California plan names and counts in San Joaquin County, and the total plan and carrier counts for the county.
- CMS Medicare Advantage Landscape Source Files (plan years 2026 and 2027): the year-over-year comparison showing 0 plans not returning, 0 new and 0 renamed for Blue Shield of California in the county.
- CMS Part D program parameters for 2026 and 2027: the Part D out-of-pocket cap, maximum deductible and national base beneficiary premium.
- Medicare.gov: the Annual Enrollment Period dates, the Medicare Advantage Open Enrollment Period dates and the Medicare Plan Finder tool.
How we put this together: area counts come from the CMS files listed above for the county that contains this city, program figures come from CMS, Medicare.gov and the Social Security Administration, and no plan is ranked or recommended.
By The Medicare Desk · Published . For personalized answers, contact Medicare.gov or 1-800-MEDICARE.
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This page was last updated: October 2026.