Frequencies for first 10,000 rows of organizationname variable in planreport2010 dataset : Organization Name | Freq. Percent Cum. ----------------------------------------+----------------------------------- | 6 0.06 0.06 APIPA Personal Care Plus | 14 0.14 0.20 ARKANSAS BLUE CROSS AND BLUE SHIELD | 24 0.24 0.44 Abrazo Advantage Health Plan | 62 0.62 1.06 Advantage by Bridgeway Health Solutions | 9 0.09 1.15 Advantage by Bridgeway Health Solutio.. | 5 0.05 1.20 Aetna Medicare | 79 0.79 1.99 Arkansas Blue Cross - Medi-Pak Rx | 5 0.05 2.04 Arkansas Blue Cross - Medi-Pak Advant.. | 14 0.14 2.18 Banner MediSun | 32 0.32 2.50 Blue Advantage (PPO) | 360 3.60 6.10 Blue Cross Blue Shield of Alabama | 469 4.69 10.79 Blue Cross Blue Shield of Arizona Adv.. | 38 0.38 11.17 Blue Cross and Blue Shield of Alabama | 540 5.40 16.57 Blue Cross and Blue Shield of Arizona | 5 0.05 16.62 Blue MedicareRx | 1 0.01 16.63 BlueRx | 8 0.08 16.71 BlueRx (PDP) | 4 0.04 16.75 Bravo Health | 5 0.05 16.80 Bravo Health Insurance Company | 3 0.03 16.83 Bridgeway Health Solutions | 1 0.01 16.84 CIGNA HealthCare of Arizona | 22 0.22 17.06 CIGNA Medicare Access | 226 2.26 19.32 CIGNA Medicare Rx | 27 0.27 19.59 Care Improvement Plus | 112 1.12 20.71 Care1st+ | 2 0.02 20.73 CareMore Health Plan of Arizona, Inc. | 93 0.93 21.66 Cigna | 10 0.10 21.76 Cigna HealthCare of Arizona | 18 0.18 21.94 Cigna Medicare Rx | 19 0.19 22.13 Cigna-HealthSpring | 232 2.32 24.45 Cigna-HealthSpring Rx | 12 0.12 24.57 Community CCRx PDP | 8 0.08 24.65 Coventry AdvantraRx | 12 0.12 24.77 Desert Canyon Community Care | 18 0.18 24.95 EnvisionRx Plus | 41 0.41 25.36 Evercare® by UnitedHealthcare | 8 0.08 25.44 Express Scripts Medicare | 23 0.23 25.67 First Health Part D | 57 0.57 26.24 Fox Insurance Company | 5 0.05 26.29 Health Choice Generations | 28 0.28 26.57 Health Choice Generations HMO SNP | 45 0.45 27.02 Health Net | 24 0.24 27.26 Health Net of Arizona, Inc. | 191 1.91 29.17 HealthMarkets Medicare | 8 0.08 29.25 HealthSpring Prescription Drug Plan | 16 0.16 29.41 Healthspring of Alabama, Inc. | 525 5.25 34.66 Humana Benefit Plan of Illinois, Inc. | 8 0.08 34.74 Humana Health Plan, Inc | 26 0.26 35.00 Humana Health Plan, Inc. | 310 3.10 38.10 Humana Insurance Company | 2,705 27.05 65.15 Magellan Complete Care of Arizona | 3 0.03 65.18 Maricopa Care Advantage | 2 0.02 65.20 Medco Medicare Prescription Plan | 27 0.27 65.47 Mercy Care Advantage | 30 0.30 65.77 Mercy LIFE of Alabama | 12 0.12 65.89 Mercy Maricopa Advantage | 2 0.02 65.91 ONECare by Care1st Health Plan Arizon.. | 6 0.06 65.97 Phoenix Health Plans | 33 0.33 66.30 RxAmerica | 12 0.12 66.42 SCAN Health Plan Arizona | 30 0.30 66.72 SecureHorizons by UnitedHealthcare | 215 2.15 68.87 SilverScript | 17 0.17 69.04 SilverScript Insurance Company | 27 0.27 69.31 Sterling Life Insurance Company | 144 1.44 70.75 Stonebridge Life Insurance Company | 16 0.16 70.91 Symphonix Health | 12 0.12 71.03 UNITED HEALTHCARE INSURANCE COMPANY | 1 0.01 71.04 UNIVERSAL HEALTH CARE INSURANCE COMPA.. | 179 1.79 72.83 UniCare | 34 0.34 73.17 Unicare Life & Health Ins. Company | 177 1.77 74.94 United American Insurance Company | 41 0.41 75.35 UnitedHealthcare | 401 4.01 79.36 UnitedHealthcare Community Plan | 80 0.80 80.16 Universal American | 551 5.51 85.67 Universal American Corp. | 96 0.96 86.63 Universal Health Care Insurance Compa.. | 30 0.30 86.93 University Care Advantage | 20 0.20 87.13 University Physicians/Maricopa Care A.. | 4 0.04 87.17 VIVA Medicare | 308 3.08 90.25 VIVA Medicare Plus | 509 5.09 95.34 WellCare | 72 0.72 96.06 Windsor Medicare Extra | 384 3.84 99.90 Windsor Rx | 10 0.10 100.00 ----------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 14 Apr 2016