Alameda County California
Medicare Advantage Membership
As of January 2021
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Just Information For You on Which Medicare Plans Are Popular in Castro Valley, California
Popular Medicare Insurers in Castro Valley (Alameda County California)
Kaiser Permanente
76.00%
UnitedHealthcare
5.60%
UnitedHealthcare
5.10%
Health Net of California
4.40%
Anthem Blue Cross
2.10%
Stanford Health Care Advantage
1.30%
| Insurer & Plan Name | Membership | 1 Month Change |
1 Year Change |
1 Year % Change |
|---|---|---|---|---|
| Kaiser Permanente | HMO/HMOPOS | 89,514 | 343 | 3,130 | 3.60% |
| UnitedHealthcare | HMO/HMOPOS | 6,535 | 68 | -19 | -0.30% |
| UnitedHealthcare | Local PPO | 5,966 | 136 | 1,694 | 39.70% |
| Health Net of California | HMO/HMOPOS | 5,164 | 446 | -73 | -1.40% |
| Anthem Blue Cross | HMO/HMOPOS | 2,462 | 48 | 1,191 | 93.70% |
| Stanford Health Care Advantage | HMO/HMOPOS | 1,550 | 135 | 235 | 17.90% |
| Aetna Medicare | HMO/HMOPOS | 1,359 | 1,108 | 1,188 | 694.70% |
| Aetna Medicare | Local PPO | 1,082 | 392 | 360 | 49.90% |
| Imperial Health Plan of California, Inc. | HMO/HMOPOS | 795 | -556 | 57 | 7.70% |
| UnitedHealthcare | HMO/HMOPOS | 577 | 115 | 445 | 337.10% |
| HEALTH NET COMMUNITY SOLUTIONS, INC. | HMO/HMOPOS | 570 | 53 | 114 | 25.00% |
| Center For Elders' Independence | National PACE | 548 | -8 | 9 | 1.70% |
| Anthem Blue Cross and Blue Shield | Local PPO | 519 | 426 | 432 | 496.60% |
| Blue Shield of California | HMO/HMOPOS | 347 | 236 | 300 | 638.30% |
| On Lok PACE | National PACE | 204 | -1 | -8 | -3.80% |
| Anthem Blue Cross and Blue Shield | Local PPO | 181 | -397 | -257 | -58.70% |
| Humana | Local PPO | 100 | -1 | 5 | 5.30% |
| Blue Shield of California | Local PPO | 61 | 2 | 40 | 190.50% |
| Brand New Day | HMO/HMOPOS | 49 | 14 | 24 | 96.00% |
| Blue Cross Blue Shield of Michigan | Local PPO | 38 | - | -3 | -7.30% |
| Santa Clara Family Health Plan CalMediConnect Plan | Medicare-Medicaid Plan HMO/HMOPOS | 33 | -2 | 8 | 32.00% |
| Alignment Health Plan | HMO/HMOPOS | 19 | - | 7 | 58.30% |
| SCAN Health Plan | HMO/HMOPOS | 15 | - | - | .% |
| Health Plan of San Mateo | Medicare-Medicaid Plan HMO/HMOPOS | 14 | 1 | - | N/A |
| Humana | HMO/HMOPOS | 14 | -1 | -8 | -36.40% |
| Union Pacific Railroad Employes Health Systems | HCPP - 1833 Cost | 14 | - | 1 | 7.70% |
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