Frequencies for issuername variable in machread2016 dataset : Issuer Name | Freq. Percent Cum. ----------------------------------------+----------------------------------- ATRIO Health Plans | 1 0.21 0.21 Aetna Health Inc. (a FL corp.) | 1 0.21 0.41 Aetna Health Inc. (a GA corp.) | 1 0.21 0.62 Aetna Health Inc. (a PA corp.) | 6 1.23 1.85 Aetna Life Insurance Company | 4 0.82 2.67 All Savers Insurance Company | 6 1.23 3.91 Allegian Insurance Company | 1 0.21 4.12 Alliance Health and Life Insurance Co.. | 1 0.21 4.32 Alliant Health Plans | 1 0.21 4.53 Alpha Dental Programs, Inc. | 1 0.21 4.73 Alpha Dental of Nevada, Inc. | 1 0.21 4.94 Alpha Dental of Utah, Inc. | 1 0.21 5.14 Ambetter of Magnolia Inc. | 1 0.21 5.35 Ambetter of Peach State Inc. | 1 0.21 5.56 AmeriHealth HMO, Inc. | 1 0.21 5.76 AmeriHealth Ins Company of New Jersey | 1 0.21 5.97 Anthem Health Plans of ME(Anthem BCBS) | 1 0.21 6.17 Anthem Health Plans of NH(Anthem BCBS) | 1 0.21 6.38 Anthem Health Plans of Virginia, Inc. | 1 0.21 6.58 Anthem Ins Companies Inc(Anthem BCBS) | 1 0.21 6.79 Arizona Dental Insurance Service, Inc. | 1 0.21 7.00 AultCare Insurance Company | 1 0.21 7.20 Avera Health Plans, Inc. | 2 0.41 7.61 BCBS of Wisconsin(Anthem BCBS) | 1 0.21 7.82 BEST Life and Health Insurance Company | 29 5.97 13.79 Blue Care Network of Michigan | 1 0.21 13.99 Blue Cross Blue Shield Healthcare Pla.. | 1 0.21 14.20 Blue Cross Blue Shield of Arizona, Inc. | 1 0.21 14.40 Blue Cross Blue Shield of Illinois | 1 0.21 14.61 Blue Cross Blue Shield of Michigan Mu.. | 1 0.21 14.81 Blue Cross Blue Shield of New Mexico | 1 0.21 15.02 Blue Cross Blue Shield of North Dakota | 1 0.21 15.23 Blue Cross Blue Shield of Oklahoma | 1 0.21 15.43 Blue Cross Blue Shield of Texas | 1 0.21 15.64 Blue Cross Blue Shield of Wyoming | 1 0.21 15.84 Blue Cross and Blue Shield of Alabama | 1 0.21 16.05 Blue Cross and Blue Shield of Florida | 1 0.21 16.26 Blue Cross and Blue Shield of Georgia.. | 1 0.21 16.46 Blue Cross and Blue Shield of Kansas .. | 2 0.41 16.87 Blue Cross and Blue Shield of Kansas,.. | 1 0.21 17.08 Blue Cross and Blue Shield of Montana | 1 0.21 17.28 Blue Cross and Blue Shield of NC | 1 0.21 17.49 Blue Cross and Blue Shield of Nebraska | 1 0.21 17.70 Blue Cross and Blue Shield of South C.. | 1 0.21 17.90 BlueChoice HealthPlan of South Caroli.. | 1 0.21 18.11 BlueCross BlueShield Kansas Solutions.. | 1 0.21 18.31 BlueCross BlueShield of Tennessee | 1 0.21 18.52 BridgeSpan Health Company | 1 0.21 18.72 Buckeye Community Health Plan | 1 0.21 18.93 CHRISTUS Health Plan | 2 0.41 19.34 Capital Advantage Assurance Company | 1 0.21 19.55 CareFirst BlueChoice, Inc. | 1 0.21 19.75 CareSource | 1 0.21 19.96 CareSource Indiana, Inc. | 1 0.21 20.16 CareSource West Virginia Co. | 1 0.21 20.37 Celtic Insurance Company | 6 1.23 21.60 Cigna Health and Life Insurance Company | 6 1.23 22.84 Cigna HealthCare of Arizona, Inc | 1 0.21 23.05 Cigna HealthCare of Texas, Inc. | 1 0.21 23.25 Common Ground Healthcare Cooperative | 1 0.21 23.46 Community Care of Oregon, Inc. | 1 0.21 23.66 Community First Health Plans, Inc. | 1 0.21 23.87 Community Health Choice, Inc. | 1 0.21 24.07 Community Insurance Company(Anthem BC.. | 1 0.21 24.28 CommunityCare HMO Inc. | 1 0.21 24.49 CommunityCare Life & Health Insurance.. | 1 0.21 24.69 Compcare Health Serv Ins Co(Anthem BC.. | 1 0.21 24.90 Consumers Life Insurance Company | 1 0.21 25.10 Coordinated Health Mutual, Inc. | 1 0.21 25.31 Coventry Health & Life Co. | 1 0.21 25.51 Coventry Health & Life Insurance Co. | 1 0.21 25.72 Coventry Health Care of Florida, Inc. | 1 0.21 25.93 Coventry Health Care of Illinois, Inc. | 1 0.21 26.13 Coventry Health Care of Iowa Inc. | 1 0.21 26.34 Coventry Health Care of Nebraska Inc. | 1 0.21 26.54 Coventry Health Care of Virginia, Inc | 1 0.21 26.75 Coventry Health and Life | 1 0.21 26.95 DENCAP Dental Plans, Inc. | 1 0.21 27.16 DSM USA Insurance Company Inc | 3 0.62 27.78 DSM USA Insurance Company, Inc. | 3 0.62 28.40 Dean Health Plan | 1 0.21 28.60 Delta Dental Insurance Company | 9 1.85 30.45 Delta Dental Plan of Arkansas, Inc. | 1 0.21 30.66 Delta Dental Plan of Indiana, Inc. | 1 0.21 30.86 Delta Dental Plan of Michigan, Inc. | 1 0.21 31.07 Delta Dental Plan of New Hampshire, I.. | 1 0.21 31.28 Delta Dental Plan of Ohio, Inc. | 1 0.21 31.48 Delta Dental Plan of Oklahoma | 1 0.21 31.69 Delta Dental Plan of South Dakota | 1 0.21 31.89 Delta Dental Plan of Wyoming | 1 0.21 32.10 Delta Dental of Delaware, Inc. | 1 0.21 32.30 Delta Dental of Illinois | 1 0.21 32.51 Delta Dental of Iowa | 1 0.21 32.72 Delta Dental of Kansas, Inc. | 1 0.21 32.92 Delta Dental of Minnesota | 1 0.21 33.13 Delta Dental of Missouri | 2 0.41 33.54 Delta Dental of Nebraska | 1 0.21 33.74 Delta Dental of New Jersey, Inc. | 1 0.21 33.95 Delta Dental of North Carolina | 1 0.21 34.16 Delta Dental of Tennessee | 1 0.21 34.36 Delta Dental of Virginia | 1 0.21 34.57 Delta Dental of West Virginia | 1 0.21 34.77 Delta Dental of Wisconsin, Inc. | 1 0.21 34.98 DentaQuest USA Insurance Company, Inc. | 2 0.41 35.39 DentaQuest Virginia, Inc. | 1 0.21 35.60 DentaQuest of Florida, Inc. | 1 0.21 35.80 Dental Care Plus, Inc. | 5 1.03 36.83 Dental Health Services, Inc. | 1 0.21 37.04 Dentegra Insurance Company | 35 7.20 44.24 Dominion Dental Services, Inc. | 3 0.62 44.86 Educators Health Plans Life, Accident.. | 2 0.41 45.27 First Commonwealth Insurance Company | 1 0.21 45.47 First Commonwealth Limited Health Ser.. | 1 0.21 45.68 First Priority Life Insurance Company.. | 1 0.21 45.88 Florida Combined Life Insurance Company | 1 0.21 46.09 Florida Health Care Plan, Inc. | 1 0.21 46.30 Freelancers CO-OP of New Jersey, Inc. | 1 0.21 46.50 GOLDEN DENTAL PLANS, INC. | 1 0.21 46.71 Geisinger Health Plan | 1 0.21 46.91 Geisinger Quality Options | 1 0.21 47.12 Group Health Cooperative- SCW | 1 0.21 47.33 Group Hospitalization and Medical Ser.. | 1 0.21 47.53 Guardian Life Insurance Company of Am.. | 14 2.88 50.41 Gundersen Health Plan, Inc. | 2 0.41 50.82 HMO Colorado Inc dba HMO NV(Anthem BC.. | 1 0.21 51.03 HMO Louisiana, Inc. | 1 0.21 51.23 Harbor Health Plan, Inc. | 1 0.21 51.44 Harken Health Insurance Company | 2 0.41 51.85 Harvard Pilgrim Health Care Inc. | 1 0.21 52.06 Harvard Pilgrim Health Care of NE | 1 0.21 52.26 Hawaii Dental Service Corporation | 1 0.21 52.47 Hawaii Medical Service Association | 1 0.21 52.67 Health Alliance Medical Plans, Inc. | 1 0.21 52.88 Health Alliance Plan (HAP) | 1 0.21 53.09 Health Choice Insurance Co. | 1 0.21 53.29 Health First Health Plans, Inc. | 1 0.21 53.50 Health First Insurance, Inc. | 1 0.21 53.70 Health Net Life Insurance Company | 1 0.21 53.91 Health Net of Arizona, Inc. | 1 0.21 54.12 Health Options, Inc. | 1 0.21 54.32 Health Plan of Nevada, Inc. | 1 0.21 54.53 Health Tradition Health Plan | 1 0.21 54.73 HealthKeepers, Inc. | 1 0.21 54.94 HealthSpan | 1 0.21 55.14 HealthSpan Integrated Care | 1 0.21 55.35 Healthplex Dental Services Inc. | 1 0.21 55.56 Healthy Alliance Life Co(Anthem BCBS) | 1 0.21 55.76 Highmark BCBSD Inc. | 1 0.21 55.97 Highmark Blue Cross Blue Shield West .. | 1 0.21 56.17 Highmark Health Insurance Company | 1 0.21 56.38 Highmark Inc. | 1 0.21 56.58 Highmark Select Resources Inc. | 1 0.21 56.79 Horizon Healthcare Services, Inc. | 1 0.21 57.00 Humana Employers Health Plan of Georg.. | 1 0.21 57.20 Humana Health Benefit Plan of Louisia.. | 1 0.21 57.41 Humana Health Plan of Ohio, Inc. | 1 0.21 57.61 Humana Health Plan of Texas, Inc. | 1 0.21 57.82 Humana Health Plan, Inc. | 2 0.41 58.23 Humana Insurance Company | 14 2.88 61.11 Humana Medical Plan of Michigan, Inc. | 1 0.21 61.32 Humana Medical Plan of Utah, Inc. | 1 0.21 61.52 Humana Medical Plan, Inc. | 1 0.21 61.73 Independence Blue Cross (QCC Ins. Co.) | 1 0.21 61.93 Indiana University Health Plans, Inc. | 1 0.21 62.14 Innovation Health Insurance Company | 1 0.21 62.35 Innovation Health Plan, Inc. | 1 0.21 62.55 Insurance Company of Scott & White | 1 0.21 62.76 International Healthcare Services, Inc. | 1 0.21 62.96 Kaiser Foundation Health Plan of Geor.. | 1 0.21 63.17 Kaiser Foundation Health Plan of the .. | 1 0.21 63.37 Kaiser Foundation Health Plan, Inc. | 1 0.21 63.58 Kaiser Foundation Healthplan of the NW | 1 0.21 63.79 Keystone Health Plan Central | 1 0.21 63.99 Keystone Health Plan East, Inc | 1 0.21 64.20 LIBERTY Dental Plan of Florida, Inc. | 1 0.21 64.40 LifeWise Health Plan of Oregon | 1 0.21 64.61 Louisiana Health Service & Indemnity .. | 1 0.21 64.81 MDwise Marketplace, Inc. | 1 0.21 65.02 MOLINA HEALTHCARE OF OHIO | 1 0.21 65.23 Maine Community Health Options | 2 0.41 65.64 Maine Dental Service Corporation | 1 0.21 65.84 Managed DentalGuard, Inc. | 2 0.41 66.26 Managed DentalGuard,Inc. | 1 0.21 66.46 Managed Health Services Insurance Cor.. | 1 0.21 66.67 Matthew Thornton Hlth Plan(Anthem BCBS) | 1 0.21 66.87 McLaren Health Plan Community | 1 0.21 67.08 Medica Health Plans | 1 0.21 67.28 Medica Health Plans of Wisconsin | 1 0.21 67.49 Medica Insurance Company | 2 0.41 67.90 Medical Health Insuring Corp. of Ohio | 1 0.21 68.11 MercyCare HMO, Inc. | 1 0.21 68.31 MercyCare Insurance Company | 1 0.21 68.52 Meridian Health Plan of Michigan, Inc. | 1 0.21 68.72 MetLife Health Plans, Inc., a Delawar.. | 1 0.21 68.93 Metropolitan Life Insurance Company | 13 2.67 71.60 Minuteman Health, Inc | 1 0.21 71.81 Moda Health Plan, Inc. | 2 0.41 72.22 Molina Health Care of New Mexico, Inc. | 1 0.21 72.43 Molina Healthcare of Florida, Inc | 1 0.21 72.63 Molina Healthcare of Michigan, Inc. | 1 0.21 72.84 Molina Healthcare of Texas | 1 0.21 73.05 Molina Healthcare of Utah | 1 0.21 73.25 Molina Healthcare of Wisconsin, Inc. | 1 0.21 73.46 Momentum Insurance Plans, Inc | 1 0.21 73.66 Montana Health Cooperative | 1 0.21 73.87 Network Health Plan | 1 0.21 74.07 Nevada Dental Benefits, Ltd. | 1 0.21 74.28 New Mexico Health Connections | 1 0.21 74.49 Optima Health Plan | 1 0.21 74.69 Oregon Dental Service | 1 0.21 74.90 Oregon Dental Service, DBA Delta Dent.. | 1 0.21 75.10 Oscar Insurance Company of Texas | 1 0.21 75.31 Oscar Insurance Corporation of New Je.. | 1 0.21 75.51 Oxford Health Plans (NJ), Inc. | 1 0.21 75.72 PacificSource Health Plans | 2 0.41 76.13 Paramount Insurance Company | 1 0.21 76.34 Phoenix Health Plans, Inc. | 1 0.21 76.54 Physicians Health Plan | 1 0.21 76.75 Physicians Health Plan of Northern In.. | 1 0.21 76.95 Physicians Plus Insurance Corporation | 1 0.21 77.16 Piedmont Community HealthCare HMO, Inc. | 1 0.21 77.37 Piedmont Community HealthCare, Inc. | 1 0.21 77.57 Premera Blue Cross Blue Shield of Ala.. | 1 0.21 77.78 Premier Access Insurance Company | 3 0.62 78.40 Premier Health Plan, Inc. | 1 0.21 78.60 Presbyterian Health Plan, Inc. | 1 0.21 78.81 Priority Health | 1 0.21 79.01 Priority Health Insurance Company (PH.. | 1 0.21 79.22 Prominence HealthFirst | 1 0.21 79.42 Prominence HealthFirst of Texas, Inc. | 1 0.21 79.63 Providence Health Plan | 1 0.21 79.84 QCA Health Plan, Inc. | 1 0.21 80.04 QualChoice Life & Health Insurance Co.. | 1 0.21 80.25 Renaissance Life & Health Insurance C.. | 9 1.85 82.10 Rocky Mountain Hos&Med Svc(Anthem .. | 1 0.21 82.30 SHA, LLC DBA FirstCare Health Plans | 1 0.21 82.51 SafeGuard Health Plans, Inc., a Flori.. | 1 0.21 82.72 SafeGuard Health Plans, Inc., a Texas.. | 1 0.21 82.92 Sanford Health Plan | 3 0.62 83.54 Scott and White Health Plan | 1 0.21 83.74 Security Health Plan of Wisconsin, Inc. | 1 0.21 83.95 SelectHealth | 1 0.21 84.16 Sendero Health Plans, inc. | 1 0.21 84.36 Solstice Benefits, Inc. | 1 0.21 84.57 Southeastern Indiana Health Organizat.. | 1 0.21 84.77 Summa Insurance Company, Inc. | 1 0.21 84.98 TRUASSURE INSURANCE COMPANY | 21 4.32 89.30 The Guardian Life Insurance Company | 14 2.88 92.18 The Pennsylvania Dental Corporation d.. | 1 0.21 92.39 Total Health Care USA, Inc. | 1 0.21 92.59 Trillium Community Health Plan | 1 0.21 92.80 UPMC Health Benefits, Inc. | 1 0.21 93.00 UPMC Health Coverage, Inc. | 1 0.21 93.21 UPMC Health Options, Inc. | 1 0.21 93.42 USAble Mutual Insurance Company | 1 0.21 93.62 United Concordia Insurance Company | 1 0.21 93.83 United Concordia Life and Health Insu.. | 2 0.41 94.24 UnitedHealthcare Community Plan, Inc. | 1 0.21 94.44 UnitedHealthcare Insurance Company | 6 1.23 95.68 UnitedHealthcare of Alabama, Inc. | 1 0.21 95.88 UnitedHealthcare of Arkansas, Inc. | 1 0.21 96.09 UnitedHealthcare of Florida, Inc. | 1 0.21 96.30 UnitedHealthcare of Georgia, Inc. | 1 0.21 96.50 UnitedHealthcare of Louisiana, Inc. | 1 0.21 96.71 UnitedHealthcare of Mississippi, Inc. | 1 0.21 96.91 UnitedHealthcare of North Carolina, Inc | 1 0.21 97.12 UnitedHealthcare of Ohio, Inc. | 1 0.21 97.33 UnitedHealthcare of Oklahoma, Inc. | 1 0.21 97.53 UnitedHealthcare of Pennsylvania, Inc. | 1 0.21 97.74 UnitedHealthcare of the Mid-Atlantic .. | 1 0.21 97.94 UnitedHealthcare of the Midlands, Inc. | 2 0.41 98.35 UnitedHealthcare of the Midwest, Inc. | 2 0.41 98.77 Unity Health Plans Insurance Corporat.. | 1 0.21 98.97 University of Utah Health Insurance P.. | 1 0.21 99.18 Vantage Health Plan, Inc. | 1 0.21 99.38 WPS Health Plan, Inc. | 1 0.21 99.59 Willamette Dental Insurance, Inc. | 1 0.21 99.79 Zoom Health Plan, Inc. | 1 0.21 100.00 ----------------------------------------+----------------------------------- Total | 486 100.00 by Jean Roth , jroth@nber.org , 28 Jun 2017