Frequencies for companyname variable in pdp2008 dataset : Company Name | Freq. Percent Cum. ----------------------------------------+----------------------------------- Advantage Plans from Medical Mutual o.. | 2 0.07 0.07 Aetna Medicare | 153 5.51 5.58 Alliance Medicare Rx | 3 0.11 5.69 AmeriHealth Advantage | 2 0.07 5.76 AmeriHealth Rx | 6 0.22 5.98 American Progressive Life & Health In.. | 3 0.11 6.09 Anthem Blue Cross and Blue Shield | 21 0.76 6.84 Arkansas Blue Cross and Blue Shield | 3 0.11 6.95 Asuris Northwest Health | 4 0.14 7.10 Avalon Insurance Company | 6 0.22 7.31 BLUE CROSS AND BLUE SHIELD OF OKLAHOMA | 3 0.11 7.42 Blue Cross & Blue Shield of Rhode Isl.. | 3 0.11 7.53 Blue Cross Blue Shield of Colorado | 3 0.11 7.64 Blue Cross Blue Shield of Georgia | 3 0.11 7.74 Blue Cross Blue Shield of Michigan | 2 0.07 7.82 Blue Cross Blue Shield of Missouri | 3 0.11 7.93 Blue Cross Blue Shield of Nevada | 3 0.11 8.03 Blue Cross Blue Shield of North Dakota | 3 0.11 8.14 Blue Cross Blue Shield of South Carol.. | 2 0.07 8.21 Blue Cross Blue Shield of Wisconsin | 3 0.11 8.32 Blue Cross Blue Shield of Wyoming | 3 0.11 8.43 Blue Cross and Blue Shield of Alabama | 3 0.11 8.54 Blue Cross and Blue Shield of Florida.. | 3 0.11 8.65 Blue Cross and Blue Shield of Louisiana | 1 0.04 8.68 Blue Cross and Blue Shield of Massach.. | 3 0.11 8.79 Blue Cross and Blue Shield of Minnesota | 3 0.11 8.90 Blue Cross and Blue Shield of Montana | 3 0.11 9.01 Blue Cross and Blue Shield of Nebraska | 3 0.11 9.11 Blue Cross and Blue Shield of Vermont | 3 0.11 9.22 Blue Cross of California | 3 0.11 9.33 Blue Medicare Rx | 2 0.07 9.40 Blue MedicareRx | 3 0.11 9.51 Blue Shield of California | 2 0.07 9.58 BlueCross BlueShield of Tennessee | 3 0.11 9.69 Bravo Health | 13 0.47 10.16 CIGNA Medicare Rx | 153 5.51 15.67 CITRUS HEALTH CARE | 2 0.07 15.74 CosviMed Care | 2 0.07 15.81 Coventry AdvantraRx | 153 5.51 21.33 Dean Health Insurance, Inc. | 3 0.11 21.43 Educators Mutual Insurance Association | 6 0.22 21.65 EnvisionRx Plus | 102 3.67 25.32 First Health Part D | 137 4.94 30.26 First Medical Health Plan, Inc. | 2 0.07 30.33 First United American Life Insurance .. | 2 0.07 30.40 Fox Insurance Company | 36 1.30 31.70 GHI Medicare Prescription Drug Plan | 1 0.04 31.74 Geisinger Gold | 4 0.14 31.88 HIP Insurance Company of New York | 2 0.07 31.95 HISC - Blue Cross Blue Shield of Illi.. | 3 0.11 32.06 HISC - Blue Cross Blue Shield of New .. | 3 0.11 32.17 HISC - Blue Cross Blue Shield of Texas | 3 0.11 32.28 Health Net | 102 3.67 35.95 HealthNow New York Inc. | 1 0.04 35.99 HealthSpring Prescription Drug Plan | 51 1.84 37.82 Highmark Senior Resources Inc. | 6 0.22 38.04 Horizon Blue Cross Blue Shield of New.. | 3 0.11 38.15 Humana Insurance Company | 150 5.40 43.55 Humana Insurance Company of New York | 3 0.11 43.66 Humana Insurance of Puerto Rico, Inc | 2 0.07 43.73 InStil Health Insurance Company | 4 0.14 43.88 MCS Classicare | 3 0.11 43.98 MEMBERHEALTH | 159 5.73 49.71 Medco Medicare Prescription Plan | 156 5.62 55.33 Medi-CareFirst BlueCross BlueShield | 6 0.22 55.55 Menonita Medicare Advantage | 2 0.07 55.62 ODS Health Plan, Inc. | 4 0.14 55.76 Paramount Prescription Drug Plan | 2 0.07 55.84 Pennsylvania Life Insurance Company | 150 5.40 61.24 PerformRx | 2 0.07 61.31 Pharmacy Insurance Corporation of Ame.. | 3 0.11 61.42 Preferred Medicare | 2 0.07 61.49 Preferred Medicare Choice, Inc. | 2 0.07 61.56 Presbyterian Prescription Drug Plan | 2 0.07 61.64 PriorityMedicareRx | 1 0.04 61.67 QUALITY HEALTH PLANS | 2 0.07 61.74 Regence Life and Health | 4 0.14 61.89 Rocky Mountain Health Plans | 1 0.04 61.92 RxAmerica | 153 5.51 67.44 Scott and White Health PlanTexas Rx P.. | 2 0.07 67.51 SierraRx | 41 1.48 68.98 SilverScript Insurance Company | 156 5.62 74.60 Simply Prescriptions | 2 0.07 74.68 Sterling Life Insurance Company | 102 3.67 78.35 Triple-S | 3 0.11 78.46 UPMC Health Plan | 5 0.18 78.64 UniCare | 102 3.67 82.31 United American Insurance Company | 100 3.60 85.91 UnitedHealthcare | 275 9.91 95.82 WPS Health Insurance | 3 0.11 95.93 WellCare | 102 3.67 99.60 Wellmark Blue Cross Blue Shield of So.. | 3 0.11 99.71 Wellmark Blue Cross and Blue Shield o.. | 3 0.11 99.82 Windsor Rx | 5 0.18 100.00 ----------------------------------------+----------------------------------- Total | 2,776 100.00 by Jean Roth , jroth@nber.org , 14 Apr 2016