Frequencies for first 10,000 rows of organizationname variable in ma2019 dataset : Organization Name | Freq. Percent Cum. ----------------------------------------+----------------------------------- | 1 0.01 0.01 AETNA HEALTH INC. (GA) | 11 0.11 0.12 ARKANSAS BLUE CROSS AND BLUE SHIELD | 78 0.78 0.90 Aetna Medicare | 723 7.23 8.13 Alignment Health Plan | 22 0.22 8.35 Allwell | 120 1.20 9.55 Amerigroup | 3 0.03 9.58 Anthem Blue Cross | 43 0.43 10.01 Anthem Blue Cross Life and Health Ins.. | 1 0.01 10.02 Anthem Blue Cross and Blue Shield | 307 3.07 13.09 Anthem HealthKeepers | 180 1.80 14.89 Aspire Health Plan | 3 0.03 14.92 AvMed Medicare | 4 0.04 14.96 BayCare Health Plans | 8 0.08 15.04 Blue Advantage (PPO) | 134 1.34 16.38 Blue Cross Blue Shield of Arizona Adv.. | 6 0.06 16.44 Blue Cross and Blue Shield of IL, NM | 26 0.26 16.70 Blue Cross of Idaho | 134 1.34 18.04 Blue Shield of California | 15 0.15 18.19 Blue Shield of California Promise Hea.. | 15 0.15 18.34 Brand New Day | 30 0.30 18.64 Bright Health | 52 0.52 19.16 Capital Health Plan | 14 0.14 19.30 CarePartners of Connecticut | 18 0.18 19.48 CarePlus Health Plans, Inc. | 32 0.32 19.80 Central Health Medicare Plan | 13 0.13 19.93 Chinese Community Health Plan | 2 0.02 19.95 Cigna | 5 0.05 20.00 Cigna-HealthSpring | 169 1.69 21.69 Clear Spring Health | 46 0.46 22.15 Clover Health | 3 0.03 22.18 Community Care Alliance of Illinois, .. | 16 0.16 22.34 ConnectiCare | 54 0.54 22.88 Coventry Health Care | 129 1.29 24.17 Denver Health Medical Plan, Inc. | 1 0.01 24.18 Devoted Health | 16 0.16 24.34 Doctors HealthCare Plans, Inc. | 1 0.01 24.35 Easy Choice Health Plan | 10 0.10 24.45 Eon Health | 114 1.14 25.59 Essence Healthcare | 9 0.09 25.68 Essential Advantage | 1 0.01 25.69 Florida Blue | 89 0.89 26.58 Florida Blue HMO | 43 0.43 27.01 Florida Blue Preferred HMO | 8 0.08 27.09 Freedom Health, Inc. | 55 0.55 27.64 Friday Health Plans of Colorado | 32 0.32 27.96 Golden State | 6 0.06 28.02 HEALTH NET COMMUNITY SOLUTIONS, INC. | 22 0.22 28.24 HMSA Akamai Advantage | 10 0.10 28.34 Health Advantage | 19 0.19 28.53 Health Alliance Medicare | 617 6.17 34.70 Health First Health Plans, Inc. | 13 0.13 34.83 Health Net of California | 35 0.35 35.18 HealthPartners UnityPoint Health | 22 0.22 35.40 HealthSpring of Florida, Inc. | 16 0.16 35.56 HealthSun Health Plans, Inc. | 4 0.04 35.60 Humana | 3,320 33.20 68.80 Imperial Health Plan of California, I.. | 4 0.04 68.84 Indiana University Health Plans - Med.. | 103 1.03 69.87 Inter Valley Health Plan | 8 0.08 69.95 Kaiser Permanente | 120 1.20 71.15 Lasso Healthcare | 292 2.92 74.07 MMM of Florida, Inc. | 6 0.06 74.13 Medical Associates Health Plan, Inc. | 14 0.14 74.27 MeridianCare | 26 0.26 74.53 Molina Healthcare of Utah | 3 0.03 74.56 Optimum HealthCare, Inc. | 23 0.23 74.79 PacificSource Medicare | 51 0.51 75.30 Regence BlueShield Of Idaho | 27 0.27 75.57 Regence BlueShield of Idaho | 4 0.04 75.61 Rocky Mountain Health Plans | 240 2.40 78.01 SCAN Health Plan | 25 0.25 78.26 SelectHealth | 27 0.27 78.53 Senior Preferred | 7 0.07 78.60 Sharp Health Plan | 2 0.02 78.62 Simply Healthcare Plans, Inc. | 20 0.20 78.82 Solis Health Plans | 5 0.05 78.87 Stanford Health Care Advantage | 6 0.06 78.93 Sunrise Advantage Plan (HMO SNP) | 5 0.05 78.98 Ultimate Health Plans | 8 0.08 79.06 UnitedHealthcare | 1,336 13.36 92.42 VIVA Medicare | 123 1.23 93.65 Vitality Health Plan of California | 4 0.04 93.69 WellCare | 631 6.31 100.00 ----------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org ,