Frequencies for first 10,000 rows of organizationname variable in planreport2011 dataset : Organization Name | Freq. Percent Cum. ----------------------------------------+----------------------------------- | 6 0.06 0.06 ARKANSAS BLUE CROSS AND BLUE SHIELD | 302 3.02 3.08 Abrazo Advantage Health Plan | 56 0.56 3.64 Advantage by Bridgeway Health Solutions | 2 0.02 3.66 Advantage by Bridgeway Health Solutio.. | 5 0.05 3.71 Aetna Medicare | 65 0.65 4.36 Arcadian Health Plan | 27 0.27 4.63 Arkansas Blue Cross - Medi-Pak Rx | 2 0.02 4.65 Arkansas Blue Cross - Medi-Pak Advant.. | 91 0.91 5.56 Arkansas Community Care | 18 0.18 5.74 Arkansas Community Care/ Texarkana Co.. | 6 0.06 5.80 Banner MediSun | 25 0.25 6.05 Blue Advantage (PPO) | 360 3.60 9.65 Blue Cross Blue Shield of Arizona Adv.. | 38 0.38 10.03 Blue Cross and Blue Shield of Alabama | 540 5.40 15.43 Blue Cross and Blue Shield of Arizona | 5 0.05 15.48 Blue MedicareRx | 1 0.01 15.49 BlueRx | 6 0.06 15.55 BlueRx (PDP) | 4 0.04 15.59 Bravo Health | 5 0.05 15.64 Bridgeway Health Solutions | 1 0.01 15.65 CIGNA HealthCare of Arizona | 16 0.16 15.81 CIGNA Medicare Rx | 15 0.15 15.96 COVENTRY HEALTH CARE | 36 0.36 16.32 Care Improvement Plus | 866 8.66 24.98 Care1st+ | 2 0.02 25.00 CareMore Health Plan of Arizona, Inc. | 88 0.88 25.88 Cigna | 10 0.10 25.98 Cigna HealthCare of Arizona | 18 0.18 26.16 Cigna Medicare Rx | 19 0.19 26.35 Cigna-HealthSpring | 252 2.52 28.87 Cigna-HealthSpring Rx | 12 0.12 28.99 Community CCRx PDP | 8 0.08 29.07 Coventry Health Care | 42 0.42 29.49 Desert Canyon Community Care | 10 0.10 29.59 EnvisionRx Plus | 33 0.33 29.92 Evercare® by UnitedHealthcare | 3 0.03 29.95 Express Scripts Medicare | 23 0.23 30.18 First Health Part D | 49 0.49 30.67 Health Advantage | 6 0.06 30.73 Health Choice Generations | 14 0.14 30.87 Health Choice Generations HMO SNP | 45 0.45 31.32 Health Net | 16 0.16 31.48 Health Net of Arizona, Inc. | 151 1.51 32.99 HealthMarkets Medicare | 8 0.08 33.07 HealthSpring Prescription Drug Plan | 12 0.12 33.19 Healthspring of Alabama, Inc. | 396 3.96 37.15 Humana Benefit Plan of Illinois, Inc. | 8 0.08 37.23 Humana Health Plan, Inc | 24 0.24 37.47 Humana Health Plan, Inc. | 397 3.97 41.44 Humana Insurance Company | 2,900 29.00 70.44 Magellan Complete Care of Arizona | 3 0.03 70.47 Maricopa Care Advantage | 2 0.02 70.49 Medco Medicare Prescription Plan | 15 0.15 70.64 Mercy Care Advantage | 27 0.27 70.91 Mercy Health Plans | 8 0.08 70.99 Mercy LIFE of Alabama | 12 0.12 71.11 Mercy Maricopa Advantage | 2 0.02 71.13 ONECare by Care1st Health Plan Arizon.. | 5 0.05 71.18 Phoenix Health Plans | 33 0.33 71.51 RxAmerica | 4 0.04 71.55 SCAN Health Plan Arizona | 27 0.27 71.82 SecureHorizons by UnitedHealthcare | 86 0.86 72.68 SilverScript | 17 0.17 72.85 SilverScript Insurance Company | 15 0.15 73.00 Sterling Life Insurance Company | 52 0.52 73.52 Stonebridge Life Insurance Company | 16 0.16 73.68 Symphonix Health | 12 0.12 73.80 Total Life Healthcare | 20 0.20 74.00 Tribute Health Plan of Arkansas | 11 0.11 74.11 UNIVERSAL HEALTH CARE INSURANCE COMPA.. | 104 1.04 75.15 UniCare | 26 0.26 75.41 United American Insurance Company | 33 0.33 75.74 UnitedHealthcare | 401 4.01 79.75 UnitedHealthcare Community Plan | 80 0.80 80.55 Universal American | 40 0.40 80.95 Universal American Corp. | 171 1.71 82.66 Universal Health Care Insurance Compa.. | 30 0.30 82.96 University Care Advantage | 20 0.20 83.16 University Physicians/Maricopa Care A.. | 2 0.02 83.18 VIVA Medicare | 308 3.08 86.26 VIVA Medicare Plus | 352 3.52 89.78 WellCare | 118 1.18 90.96 Windsor Medicare Extra | 896 8.96 99.92 Windsor Rx | 8 0.08 100.00 ----------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 14 Apr 2016