Frequencies for companyname variable in pdp2015 dataset : Company Name | Freq. Percent Cum. ----------------------------------------+----------------------------------- | 1 0.07 0.07 ARKANSAS BLUE CROSS AND BLUE SHIELD | 2 0.14 0.21 Advantage-Plus Meridian | 5 0.34 0.55 Aetna Medicare | 99 6.82 7.37 Alliance Medicare Rx | 1 0.07 7.44 Anthem Blue Cross Life and Health Ins.. | 3 0.21 7.64 Anthem Blue Cross and Blue Shield | 32 2.20 9.85 Asuris Northwest Health | 4 0.28 10.12 Blue Cross & Blue Shield of Rhode Isl.. | 2 0.14 10.26 Blue Cross Blue Shield of Georgia | 3 0.21 10.47 Blue Cross Blue Shield of Michigan | 2 0.14 10.61 Blue Cross Blue Shield of North Dakota | 3 0.21 10.81 Blue Cross Blue Shield of South Carol.. | 2 0.14 10.95 Blue Cross Blue Shield of Wyoming | 3 0.21 11.16 Blue Cross and Blue Shield of Alabama | 2 0.14 11.29 Blue Cross and Blue Shield of Arizona | 2 0.14 11.43 Blue Cross and Blue Shield of Massach.. | 2 0.14 11.57 Blue Cross and Blue Shield of Minnesota | 3 0.21 11.78 Blue Cross and Blue Shield of Montana | 3 0.21 11.98 Blue Cross and Blue Shield of Nebraska | 3 0.21 12.19 Blue Cross and Blue Shield of North C.. | 2 0.14 12.33 Blue Cross and Blue Shield of Vermont | 2 0.14 12.47 Blue MedicareRx | 3 0.21 12.67 Blue Shield of California | 2 0.14 12.81 BlueCross BlueShield of Tennessee | 2 0.14 12.95 Cigna-HealthSpring Rx | 153 10.54 23.48 Colorado Access Advantage Part D Plan | 1 0.07 23.55 EMI Health | 4 0.28 23.83 EnvisionRx Plus | 60 4.13 27.96 Express Scripts Medicare | 104 7.16 35.12 First Health Part D | 102 7.02 42.15 First United American Life Insurance .. | 3 0.21 42.36 Florida Blue | 2 0.14 42.49 HISC - Blue Cross Blue Shield of Illi.. | 3 0.21 42.70 HISC - Blue Cross Blue Shield of New .. | 3 0.21 42.91 HISC - Blue Cross Blue Shield of Okla.. | 3 0.21 43.11 HISC - Blue Cross Blue Shield of Texas | 3 0.21 43.32 Health Alliance Medicare Prescription.. | 1 0.07 43.39 HealthNow New York Inc. | 2 0.14 43.53 Highmark Health Insurance Company | 4 0.28 43.80 Horizon Blue Cross Blue Shield of New.. | 2 0.14 43.94 Humana Insurance Company | 150 10.33 54.27 Humana Insurance Company of New York | 3 0.21 54.48 Humana Insurance of Puerto Rico, Inc. | 2 0.14 54.61 Regence BlueCross BlueShield of Utah | 2 0.14 54.75 Regence BlueShield of Idaho | 2 0.14 54.89 Senior Care Plus | 2 0.14 55.03 SilverScript | 101 6.96 61.98 Stonebridge Life Insurance Company | 100 6.89 68.87 Symphonix Health | 86 5.92 74.79 United American Insurance Company | 137 9.44 84.23 UnitedHealthcare | 107 7.37 91.60 WPS Health Insurance | 2 0.14 91.74 WellCare | 114 7.85 99.59 Wellmark Blue Cross Blue Shield of So.. | 3 0.21 99.79 Wellmark Blue Cross and Blue Shield o.. | 3 0.21 100.00 ----------------------------------------+----------------------------------- Total | 1,452 100.00 by Jean Roth , jroth@nber.org , 14 Apr 2016