Frequencies for first 10,000 rows of organizationname variable in maa_to_m2009 dataset : Organization Name | Freq. Percent Cum. ----------------------------------------+----------------------------------- AARP MedicareComplete from SecureHori.. | 54 0.54 0.54 AMERIGROUP Community Care | 6 0.06 0.60 Abrazo Advantage Health Plan | 2 0.02 0.62 AdvantageCare | 6 0.06 0.68 Advantra® Freedom | 930 9.30 9.98 Advantra® Savings | 249 2.49 12.47 Aetna Medicare | 290 2.90 15.37 Anthem Blue Cross | 186 1.86 17.23 Anthem Blue Cross and Blue Shield | 24 0.24 17.47 Anthem Insurance Companies, Inc. | 82 0.82 18.29 Arkansas Blue Cross - Medi-Pak Adva.. | 150 1.50 19.79 Arkansas Community Care, Inc. | 48 0.48 20.27 Arta Medicare Health Plan | 2 0.02 20.29 AvMed Medicare Preferred | 2 0.02 20.31 AvMed Medicare Preferred PPO | 2 0.02 20.33 Blue Cross Blue Shield of Alabama | 201 2.01 22.34 Blue Cross and Blue Shield of Florida.. | 43 0.43 22.77 Blue Shield of California | 6 0.06 22.83 Bravo Health | 9 0.09 22.92 CIGNA Medicare Access | 770 7.70 30.62 CIGNA Medicare Select | 2 0.02 30.64 Capital Health Plan | 4 0.04 30.68 Care Improvement PPO | 13 0.13 30.81 Care1st Medicare Advantage Plan | 7 0.07 30.88 CareMore Health Plan | 6 0.06 30.94 CarePlus Health Plans, Inc. | 10 0.10 31.04 Central Health Medicare Plan | 2 0.02 31.06 Chinese Community Health Plan | 2 0.02 31.08 Citizens Choice Healthplan | 2 0.02 31.10 Citrus Health Care, Inc. | 22 0.22 31.32 Colorado Access | 28 0.28 31.60 ConnectiCare, Inc. | 48 0.48 32.08 Coventry Advantra | 1 0.01 32.09 Denver Health Medical Plan | 2 0.02 32.11 Desert Canyon Community Care | 3 0.03 32.14 Easy Choice Health Plan | 3 0.03 32.17 Erickson Advantage | 2 0.02 32.19 Evercare® Health Plans | 1 0.01 32.20 First Medical Health Plan of Florida,.. | 2 0.02 32.22 Florida Health Care Plan, Inc. | 3 0.03 32.25 Freedom Health, Inc. | 65 0.65 32.90 Fresenius Medical Care Health Plan | 21 0.21 33.11 GEMCARE Health Plan | 1 0.01 33.12 Health First Medicare Plans | 10 0.10 33.22 Health Net | 17 0.17 33.39 Health Net Life Insurance Company | 1 0.01 33.40 Health Net Pearl | 78 0.78 34.18 Health Net of Arizona, Inc. | 24 0.24 34.42 Health Net of CA | 49 0.49 34.91 Health Net of Connecticut | 40 0.40 35.31 Health Options, Inc / Blue Cross Blue.. | 4 0.04 35.35 HealthSun Health Plans, Inc. | 3 0.03 35.38 Healthspring of Alabama, Inc. | 79 0.79 36.17 Humana Health Insurance Company Of Fl.. | 1 0.01 36.18 Humana Health Plan, Inc. | 14 0.14 36.32 Humana Insurance Company | 1,075 10.75 47.07 Humana Medical Plan, Inc. | 21 0.21 47.28 Inter Valley Health Plan | 7 0.07 47.35 Kaiser Permanente | 77 0.77 48.12 Leon Medical Centers Health Plans, Inc. | 4 0.04 48.16 MD Care Inc | 6 0.06 48.22 Medcore HP | 2 0.02 48.24 MediSun CareOptions | 2 0.02 48.26 MediSunONE | 1 0.01 48.27 Medica HealthCare Plans, Inc. | 8 0.08 48.35 Mennonite Mutual Aid Association | 348 3.48 51.83 Mercy Health Plans | 33 0.33 52.16 Molina Healthcare of California | 4 0.04 52.20 Optimum HealthCare, Inc. | 39 0.39 52.59 PHYSICIANS HEALTH CHOICE | 3 0.03 52.62 Physicians Health Choice | 27 0.27 52.89 Physicians United Plan | 15 0.15 53.04 Preferred Care Partners, Inc. | 7 0.07 53.11 Quality Health Plans | 50 0.50 53.61 Rocky Mountain Health Plans | 441 4.41 58.02 SCAN Health Plan | 12 0.12 58.14 SCAN Health Plan Arizona | 1 0.01 58.15 San Miguel Health Plan | 1 0.01 58.16 SecureHorizons MedicareDirect | 397 3.97 62.13 SecureHorizons by UnitedHealthcare | 191 1.91 64.04 Sierra Health and Life Insurance Comp.. | 7 0.07 64.11 Sterling Life Insurance Company | 533 5.33 69.44 Summit Health Plan, Inc. | 14 0.14 69.58 UNIVERSAL HEALTH CARE INSURANCE COMPA.. | 147 1.47 71.05 Unicare Life & Health Ins. Company | 290 2.90 73.95 Unison Advantage | 12 0.12 74.07 Universal American | 1,284 12.84 86.91 Universal Health Care, Inc. | 64 0.64 87.55 VIVA Medicare Plus | 45 0.45 88.00 Vista Healthplan of South Florida, Inc. | 3 0.03 88.03 Vista Healthplan, Inc. | 3 0.03 88.06 WellCare | 943 9.43 97.49 Western Health Advantage | 3 0.03 97.52 Windsor Medicare Extra | 248 2.48 100.00 ----------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 14 Apr 2016