Medicare Advantage Plans in Riverside County, CA:
Your Complete 2026 Guide
For 2026, residents of Riverside County, CA can choose from 56 Medicare Advantage plan options. Of these, 52 cost nothing beyond the Part B premium. Enrollment in the County stands at approximately 187,961, with 42% of plans achieving 4 stars or better. The totals and data on this page do not cover Special Needs Plans. View SNPs available in Riverside County, CA.
- Page Updated
- Enrollment Data
- May 2, 2026
- CMS Quality Ratings
- * CMS reviews Medicare Advantage plans annually with a 5-star rating program. Data sources
Medicare Advantage PPO Plans
Preferred Provider Organization (PPO) plans allow members to choose care from both in-network and out-of-network providers. While using out-of-network doctors or hospitals usually means higher costs, PPOs may appeal to people who want more flexibility in how they access their healthcare.
- Total PPO Plans
- 4
- Average Premium
- $8.50/mo
- Beneficiaries Enrolled
- 4,318
- $0 Premium PPOs
- 3
- Average MOOP
- $5,100
- Most Popular PPO
- HumanaChoice H5525-074 (PPO) with 1,787 enrollees
- PPOs Without Drug Coverage
- 1
| PPO Plan Name | Rating* | Premium | MOOP | Rx Ded. | Plan-ID |
|---|---|---|---|---|---|
| Humana USAA Honor Giveback | $0 | $6,750 | N/A | H5525 078 0 | |
| Humana USAA Honor Giveback with Rx | $0 | $6,400 | $615 | H5525 057 0 | |
| HumanaChoice H5525-074 | $34 | $3,400 | $615 | H5525 074 0 | |
| HumanaChoice H5525-075 | $0 | $3,850 | $615 | H5525 075 0 |
What is the typical premium for PPO plans available in Riverside?
On average, PPO plans in Riverside cost $8.50 per month.
Which PPO plan do most beneficiaries choose in Riverside?
The most popular PPO in Riverside is HumanaChoice H5525-074 (PPO), covering 1,787 beneficiaries.
How many PPO options are offered without drug coverage in Riverside?
1 PPO plans available in Riverside do not include Part D benefits.
Medicare Advantage HMO Plans
Health Maintenance Organization (HMO) plans generally require members to use doctors, hospitals, and other providers within the plan’s network, except in emergencies. Because of this structure, HMOs often come with lower premiums and out-of-pocket costs compared with other plan types.
- Total HMO Plans 42
- Average Premium $1.19/mo
- Beneficiaries Enrolled 145,831
- $0 Premium HMOs 41
- Average MOOP $2,374
- Most Popular HMO Kaiser Permanente Senior Advantage Inland Empire (HMO) with 48,951 enrollees
- HMOs Without Drug Coverage 3
What is the total number of HMO plans offered in Riverside?
In 2026, Riverside County has 42 HMO plans with 145,831 members.
How much do HMO plans cost on average in Riverside?
The mean monthly HMO premium is $1.19, and 41 have no premium.
Medicare Advantage HMO-POS Plans
HMO-POS plans are structured like HMOs, requiring in-network care for the lowest costs, but they also permit some use of out-of-network doctors and hospitals. Those services are generally more expensive, but the added access can be valuable for people who don’t want to be fully limited to a single network.
- Total HMO-POS Plans
- 10
- Average Premium
- $2.35/mo
- Beneficiaries Enrolled
- 37,812
- $0 Premium HMO-POS
- 8
- Average MOOP
- $1,190
- Most Popular HMO-POS
- AARP Medicare Advantage from UHC CA-006P (HMO-POS) with 24,064 enrollees
- HMO-POS Without Drug Coverage
- 1
| Plan Name | Rating* | Premium | MOOP | Rx Ded. | Plan-ID |
|---|---|---|---|---|---|
| AARP Medicare Advantage from UHC CA-0015 | $12 | $800 | $355 | H0543 166 0 | |
| AARP Medicare Advantage from UHC CA-006P | $0 | $800 | $355 | H0543 170 0 | |
| AARP Medicare Advantage from UHC CA-022P | $0 | $800 | $355 | H0543 221 0 | |
| AARP Medicare Advantage Giveback from UHC CA-21 | $0 | $800 | $520 | H0543 238 0 | |
| AARP Medicare Advantage Patriot No Rx CA-MA01 | $0 | $4,900 | N/A | H0543 121 0 | |
| Aetna Medicare Prime | $0 | $299 | $615 | H0523 088 0 | |
| Aetna Medicare Prime Extra | $0 | $299 | $615 | H4982 026 0 | |
| Aetna Medicare Prime Value Plus | $12 | $599 | $615 | H4982 022 0 | |
| Anthem Prime | $0 | $800 | $0 | H4161 002 0 | |
| Anthem Select | $0 | $1,800 | $100 | H0544 066 0 |
- What is the average monthly premium for HMO-POS plans?
- On average, HMO-POS plans in Riverside cost $2.35 per month.
- Which HMO-POS plan is most popular in Riverside?
- The leading HMO-POS in Riverside is AARP Medicare Advantage from UHC CA-006P (HMO-POS), with 24,064 members.
- How many HMO-POS plans in Riverside do not include drug coverage?
- There are 1 HMO-POS plans in Riverside without Part D benefits.
The table below shows the quality ratings for Medicare Advantage plans offered in Riverside County, CA for 2026.
| Rating Category | Number of Plans | Percent of Plans |
|---|---|---|
| 5 Stars | No 5-star plans available. | 0% |
| 4 Stars (includes 5 Stars) | 22 | 42% |
| 3 Stars | 30 | 58% |
| Below 3 Stars | 0 | 0% |
| Not Rated | 4 | 7% |
| Average Rating | 3.57 | |
Medicare Advantage comes with strict enrollment windows. By knowing when and how to sign up, you’ll avoid missed deadlines and keep your healthcare coverage aligned with your needs.
Understanding Enrollment Windows
- Initial Enrollment Period (IEP): Beginning three months before you turn 65 and lasting until three months after, this is the initial chance to join Medicare. You may also select a Medicare Advantage plan if it fits your needs. Learn more
- Medicare Advantage Open Enrollment Period (MA OEP): Running from January 1 to March 31 each year, this period allows one change to your current Medicare Advantage coverage or a move back to Original Medicare. Learn more
- Annual Enrollment Period (AEP): This yearly window, running October 15 to December 7, gives you the opportunity to join, switch, or drop Medicare Advantage and Part D plans. Learn more
- Special Enrollment Periods (SEPs): Certain qualifying events, such as a change in residence or loss of existing coverage, may allow you to enroll in or change Medicare Advantage plans outside of the usual enrollment windows. Learn more
Enrollment Options Explained
- Talk with a Licensed Agent: Licensed agents at HealthCompare can explain your Medicare Advantage choices. Reach them at 1-833-748-3201 (TTY 711), Monday–Friday 5am–6pm and Saturday 6am–5pm PST.
- Contact the Plan Provider Directly: Enrollment can also be completed by calling the plan provider’s customer service line or visiting their official website.
- Use Medicare.gov: The official Medicare website, Medicare.gov, lets you review available plans and complete enrollment online.
The MA and MAPD plans on this page are available to people on Medicare enrolled in both Medicare Part A and Part B living in Mira Loma, Indio, Indian Wells, Palm Desert, Banning, Beaumont, Blythe, Cabazon, Cathedral City, Coachella, Desert Hot Springs, La Quinta, Mecca, Palm Springs, Rancho Mirage, Thermal, Thousand Palms, Whitewater, Calimesa, Riverside, Jurupa Valley, March Air Reserve Base, Lake Elsinore, Aguanga, Anza, Hemet, Homeland, Idyllwild, Moreno Valley, Mountain Center, Murrieta, Nuevo, Perris, San Jacinto, Menifee, Temecula, Wildomar, Winchester, Norco, Corona, and all other areas of Riverside County, California.
Plans Offered for Enrollment through Medicare.org
Medicare Advantage and Part D plans and benefits offered by the following carriers: Medicare Advantage and Part D plans and benefits offered by the following carriers: Aetna Medicare, Anthem Blue Cross and Blue Shield, Aspire Health Plan, Baylor Scott & White Health Plan, Capital Blue Cross, Dean Health Plan, Devoted Health, Florida Blue Medicare, Freedom Health, GlobalHealth, Health Care Service Corporation, HealthSpring℠, HealthSun, Healthy Blue, Humana, Molina Healthcare, Mutual of Omaha, Medica Central Health Plan, Optimum HealthCare, Premera Blue Cross, SCAN Health Plan, Simply, UnitedHealthcare(R), Wellcare, WellPoint
- CMS.gov, Landscape Source Files — Last accessed September 26, 2025
- CMS.gov, Medicare Part C & D Performance — Last accessed October 10, 2025
- CMS.gov, Plan Benefits Package — Last accessed October 13, 2025
- CMS.gov, Medicare Advantage/Part D Contract and Enrollment Data — Last accessed May 2, 2026
Some facts and percentages shown on this page (such as average premiums, distribution of plan types, and percentage of $0 premium plans) are calculated by Medicare.org using data from the CMS Landscape file, Plan Benefits Package (PBP) files and Part C & D Performance files. All underlying values originate from CMS, and calculations are refreshed whenever CMS issues updated data. Enrollment counts and rankings (such as Top 3 plans by enrollment) are derived from CMS monthly enrollment files and aggregated at the county level.
Medicare.org separates Medicare Advantage (MA/MAPD) plans and Special Needs Plans (SNPs) into different pages for clarity. As a result, plan counts, percentages, and other calculations shown here may differ from the aggregate totals published in the CMS Landscape files. All plan availability and benefit details originate from CMS.
Learn more about how we use CMS data.
- Medicare.gov, "Understanding Medicare Advantage Plans" — Last accessed 25 May, 2025
- Medicare.gov, "Explore your Medicare coverage options" — Last accessed 25 May, 2025
- NCOA.org, "5 Steps to Choosing the Right Medicare Plan for You" — Last accessed 25 May, 2025
Some facts and percentages shown on this page (such as average premiums, distribution of plan types, and percentage of $0 premium plans) are calculated by Medicare.org using data from the CMS Plan Benefits Package (PBP) files and Part C & D Performance files. All underlying values originate from CMS, and calculations are refreshed whenever CMS issues updated data.
To explore how 2026 Medicare Advantage plans available in Riverside County compare with plans offered elsewhere, you can search the Medicare Advantage plan directory to review options nationwide using the same authoritative data sources.
Medicare.org is owned and operated by Health Network Group, LLC, an Allstate company. Medicare.org provides information only and is not connected with or endorsed by the U.S. Government or the federal Medicare program.
Data provenance documentation is maintained in alignment with the U.S. Core Data for Interoperability (USCDI) Provenance standard.
Page content independently curated and maintained by David W. Bynon, Medicare Technical Operator, using a standardized, data-driven methodology designed for accurate, non-commercial Medicare plan interpretation and resolution.