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1.
J Med Philos ; 49(1): 72-84, 2024 Jan 13.
Artículo en Inglés | MEDLINE | ID: mdl-37804081

RESUMEN

This paper proposes that billing gamesmanship occurs when physicians free-ride on the billing practices of other physicians. Gamesmanship is non-universalizable and does not exercise a competitive advantage; consequently, it distorts prices and allocates resources inefficiently. This explains why gamesmanship is wrong. This explanation differs from the recent proposal of Heath (2020. Ethical issues in physician billing under fee-for-service plans. J. Med. Philos. 45(1):86-104) that gamesmanship is wrong because of specific features of health care and of health insurance. These features are aggravating factors but do not explain gamesmanship's primary wrong-making feature, which is to cause diffuse harm not traceable to any particular patient or insurer. This conclusion has important consequences for how medical schools and professional organizations encourage integrity in billing. To avoid free-riding, physicians should ask themselves, "could all physicians bill this way?" and if not, "does the patient benefit from the distinctive service I am providing under this code?" If both answers are "no," physicians should refrain from the billing practice in question.


Asunto(s)
Seguro de Salud , Médicos , Humanos , Planes de Aranceles por Servicios
2.
Int J Health Plann Manage ; 38(2): 398-415, 2023 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-36333276

RESUMEN

BACKGROUND: A number of low-and middle-income countries have implemented National Health Insurance Schemes (NHIS) as part of efforts to increase access to quality healthcare and financial protection from regressive out-of-pocket payments. This study explored physicians' experiences under the Nigerian (NHIS) to identify factors that may influence efficient health care delivery. METHODS: A convenient sample of 85 physicians residing in South-East Nigeria who had active contracts with the NHIS were surveyed via self-administered questionnaire for this study. Descriptive statistics were used to summarize the data while Kruskal-Wallis tests were used to determine if there were statistically significant associations between physician professional characteristics and their responses to key statements that assessed their experiences and behavior. Also, thematic analysis was used to assess additional qualitative data provided by study participants. RESULTS: Provider experiences were affected by the perceived inadequacy of reimbursement rates, delays in payment and services not covered by the NHIS. Participants' responses to statements on inadequacy of reimbursement was significantly associated with location using Kruskal-Wallis test (χ2 (1) = 7.24, p = 0.027) while billing patients for services not covered under the NHIS was significantly associated with length of years of practice (χ2 (1) = 15.5, p = 0.001) and place of employment (χ2 (1) = 5.82, p = 0.054). CONCLUSION: Physician experiences and challenges they face under the NHIS program in Nigeria have unintended effects on the delivery of health care services. It is imperative that these issues are addressed to improve health service delivery.


Asunto(s)
Seguro de Salud , Médicos , Humanos , Nigeria , Atención a la Salud , Programas Nacionales de Salud , Ghana
3.
J Health Polit Policy Law ; 47(3): 351-374, 2022 06 01.
Artículo en Inglés | MEDLINE | ID: mdl-34847224

RESUMEN

CONTEXT: American Indian elders have a lower life expectancy than other aging populations in the United States because of inequities in health and in access to health care. To reduce such disparities, the 2010 Affordable Care Act included provisions to increase insurance enrollment among American Indians. Although the Indian Health Service remains underfunded, increases in insured rates have had significant impacts among American Indians and their health care providers. METHODS: From June 2016 to March 2017, we conducted qualitative interviews with 96 American Indian elders (age 55+) and 47 professionals (including health care providers, outreach workers, public-sector administrators, and tribal leaders) in two southwestern states. Interviews focused on elders' experiences with health care and health insurance. We analyzed transcripts iteratively using open and focused coding techniques. FINDINGS: Although tribal health programs have benefitted from insurance payments, the complexities of selecting, qualifying for, and maintaining health insurance are often profoundly alienating and destabilizing for American Indian elders and communities. CONCLUSIONS: Findings underscore the inadequacy of health-system reforms based on the expansion of private and individual insurance plans in ameliorating health disparities among American Indian elders. Policy makers must not neglect their responsibility to directly fund health care for American Indians.


Asunto(s)
Indígenas Norteamericanos , Patient Protection and Affordable Care Act , Anciano , Personal de Salud , Accesibilidad a los Servicios de Salud , Humanos , Seguro de Salud , Persona de Mediana Edad , Estados Unidos , Indio Americano o Nativo de Alaska
4.
Dermatol Online J ; 26(4)2020 Apr 15.
Artículo en Inglés | MEDLINE | ID: mdl-32621676

RESUMEN

Drug expenditure in the United States has continued to increase unsustainably; the specialty of dermatology has been particularly affected. Resources are limited - someone has to make decisions about what treatments will be covered and how they will be reimbursed. Step therapy is a cost-control method used by insurers to encourage the use of the most cost-effective treatments before more expensive options are attempted. However, a rigid step therapy policy can be problematic when protocols are out of date, or delay necessary treatment leading to unnecessary suffering, increased morbidity, and overall cost. To address some of these concerns, the proposed Safe Step Act (S. 2546 and H.R. 2279) attempts to create a requirement that insurers provide a transparent, expeditious exceptions process for step therapy protocols. Increased flexibility in this process will allow for the unique circumstances of individual patients and improve access to expensive drugs for special cases. However, this bill may be exploited, further weakening insurers' ability to negotiate on cost. We should be cautious about measures that reduce the effectiveness of this tool, particularly if we, as a society, aim to expand access to basic care to all Americans.


Asunto(s)
Control de Costos , Costos de la Atención en Salud , Seguro de Salud/legislación & jurisprudencia , Control de Costos/legislación & jurisprudencia , Employee Retirement Income Security Act/legislación & jurisprudencia , Gastos en Salud , Seguro de Salud/economía , Estados Unidos
5.
Hum Resour Health ; 17(1): 8, 2019 01 22.
Artículo en Inglés | MEDLINE | ID: mdl-30670027

RESUMEN

BACKGROUND: The capacity for high-income countries to supply enough locally trained doctors to minimise their reliance on overseas-trained doctors (OTDs) is important for equitable global workforce distribution. However, the ability to achieve self-sufficiency of individual countries is poorly evaluated. This review draws on a decade of research evidence and applies additional stratified analyses from a unique longitudinal medical workforce research program (the Medicine in Australia: Balancing Employment and Life survey (MABEL)) to explore Australia's rural medical workforce self-sufficiency and inform rural workforce planning. Australia is a country with a strong medical education system and extensive rural workforce policies, including a requirement that newly arrived OTDs work up to 10 years in underserved, mostly rural, communities to access reimbursement for clinical services through Australia's universal health insurance scheme, called Medicare. FINDINGS: Despite increases in the number of Australian-trained doctors, more than doubling since the late 1990s, recent locally trained graduates are less likely to work either as general practitioners (GPs) or in rural communities compared to local graduates of the 1970s-1980s. The proportion of OTDs among rural GPs and other medical specialists increases for each cohort of doctors entering the medical workforce since the 1970, peaking for entrants in 2005-2009. Rural self-sufficiency will be enhanced with policies of selecting rural-origin students, increasing the balance of generalist doctors, enhancing opportunities for remaining in rural areas for training, ensuring sustainable rural working conditions and using innovative service models. However, these policies need to be strongly integrated across the long medical workforce training pathway for successful rural workforce supply and distribution outcomes by locally trained doctors. Meanwhile, OTDs substantially continue to underpin Australia's rural medical service capacity. The training pathways and social support for OTDs in rural areas is critical given their ongoing contribution to Australia's rural medical workforce. CONCLUSION: It is essential for Australia to monitor its ongoing reliance on OTDs in rural areas and be considerate of the potential impact on global workforce distribution.


Asunto(s)
Médicos Graduados Extranjeros , Planificación en Salud , Fuerza Laboral en Salud , Administración de Personal , Médicos/provisión & distribución , Servicios de Salud Rural , Población Rural , Australia , Femenino , Médicos Generales , Accesibilidad a los Servicios de Salud , Humanos , Seguro de Salud , Masculino , Características de la Residencia
6.
J Health Polit Policy Law ; 44(6): 937-954, 2019 12 01.
Artículo en Inglés | MEDLINE | ID: mdl-31408883

RESUMEN

In order to increase access to medical services, expanding coverage has long been the preferred solution of policy makers and advocates alike. The calculus appeared straightforward: provide individuals with insurance, and they will be able to see a provider when needed. However, this line of thinking overlooks a crucial intermediary step: provider networks. As provider networks offered by health insurers link available medical services to insurance coverage, their breadth mediates access to health care. Yet the regulation of provider networks is technically, logistically, and normatively complex. What does network regulation currently look like and what should it look like in the future? We take inventory of the ways private and public entities regulate provider networks. Variation across insurance programs and products is truly remarkable, not grounded in empirical justification, and at times inherently absurd. We argue that regulators should be pragmatic and focus on plausible policy levers. These include assuring network accuracy, transparency for consumers, and consumer protections from grievous inadequacies. Ultimately, government regulation provides an important foundation for ensuring minimum levels of access and providing consumers with meaningful information. Yet, information is only truly empowering if consumers can exercise at least some choice in balancing costs, access, and quality.


Asunto(s)
Accesibilidad a los Servicios de Salud/organización & administración , Fuerza Laboral en Salud/organización & administración , Cobertura del Seguro/organización & administración , Seguro de Salud/organización & administración , Información de Salud al Consumidor/métodos , Regulación Gubernamental , Fuerza Laboral en Salud/legislación & jurisprudencia , Humanos , Cobertura del Seguro/legislación & jurisprudencia , Seguro de Salud/legislación & jurisprudencia , Sector Privado/organización & administración , Sector Público/organización & administración , Estados Unidos
7.
Schmerz ; 33(5): 443-448, 2019 Oct.
Artículo en Alemán | MEDLINE | ID: mdl-31478141

RESUMEN

BACKGROUND: Since March 2017 the law amending narcotics and other legal regulations has made it possible for doctors to prescribe cannabis and cannabis-derived medicines. The introduction of § 31 para 6 of the Social Code Book V (SGB V) allows that patients can be treated with cannabis-derived medicines at the expense of the statutory health insurance if they have a severe illness. COURT DECISIONS: The law requires the approval of a prescription of cannabis for medical purposes by the health insurance before the granting of benefits. Due to denied permission, numerous cases are pending before the social tribunals. The article presents which legal issues are decided and why there is still no case law from the Federal Social Court on the essential questions. OUTLOOK: The possibility of prescribing cannabis as medicine at the expense of the health insurance is an important advance in social law. The § 31 para 6 SGB V should be evaluated as soon as possible. The provisions of SGB V for the reimbursement of off-label treatment should be harmonized with § 31 para 6 SGB V.


Asunto(s)
Cannabis , Seguro de Salud , Médicos , Prescripciones , Atención a la Salud/legislación & jurisprudencia , Alemania , Humanos , Seguro de Salud/economía , Seguro de Salud/legislación & jurisprudencia , Médicos/legislación & jurisprudencia , Prescripciones/estadística & datos numéricos
8.
Manag Care ; 28(4): 16-17, 2019 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-31188115

RESUMEN

AHPs are not required to cover all of the essential health benefits that ACA-compliant plans do, and they can base premiums on their expected or actual spending for health care rather than setting premiums at the community rate. But critics say you get what you pay for.


Asunto(s)
Planes de Asistencia Médica para Empleados , Seguro de Salud , Estados Unidos
9.
Manag Care ; 28(6): 34-36, 2019 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-31188098

RESUMEN

Several factors are at work. Group health insurance got more expensive when the ACA mandated essential health benefits and no-cost preventive care. Some small companies dropped coverage altogether, but now they are coming back into the fold as the employment market has tightened up, say brokers. Starting fresh, they have a chance to consider self-insurance.


Asunto(s)
Planes de Asistencia Médica para Empleados , Costos y Análisis de Costo , Cobertura del Seguro , Seguro de Salud , Estados Unidos
10.
BMC Health Serv Res ; 18(1): 52, 2018 Jan 30.
Artículo en Inglés | MEDLINE | ID: mdl-29378567

RESUMEN

BACKGROUND: Ghana introduced a National Health Insurance Scheme (NHIS) in 2003 applying fee-for-service method for paying NHIS-credentialed health care providers. The National Health Insurance Authority (NHIA) later introduced diagnosis-related-grouping (DRG) payment to contain cost without much success. The NHIA then introduced capitation payment, a decision that attracted complaints of falling enrolment and renewal rates from stakeholders. This study was done to provide evidence on this trend to guide policy debate on the issue. METHODS: We applied mixed method design to the study. We did a trend analysis of NHIS membership data in Ashanti, Volta and Central regions to assess growth rate; performed independent-sample t-test to compare sample means of the three regions and analysed data from individual in-depth interviews to determine any relationship between capitation payment and subscribers' renewal decision. RESULTS: Results of new enrolment data analysis showed differences in mean growth rates between Ashanti (M = 30.15, SE 3.03) and Volta (M = 40.72, SE 3.10), p = 0.041; r = 0. 15; and between Ashanti and Central (M = 47.38, SE6.49) p = 0.043; r = 0. 42. Analysis of membership renewal data, however, showed no significant differences in mean growth rates between Ashanti (M = 65.47, SE 6.67) and Volta (M = 69.29, SE 5.04), p = 0.660; r = 0.03; and between Ashanti and Central (M = 50.51, SE 9.49), p = 0.233. Analysis of both new enrolment and renewal data also showed no significant differences in mean growth rates between Ashanti (M = - 13.76, SE 17.68) and Volta (M = 5.48, SE 5.50), p = 0.329; and between Ashanti and Central (M = - 6.47, SE 12.68), p = 0.746. However, capitation payment had some effect in Ashanti compared with Volta (r = 0. 12) and Central (r = 0. 14); but could not be sustained beyond 2012. Responses from the in-depth interviews did not also show that capitation payment is a key factor in subscribers' renewal decision. CONCLUSION: Capitation payment had a small but unsustainable effect on membership growth rate in the Ashanti region. Factors other than capitation payment may have played a more significant role in subscribers' enrolment and renewal decisions in the Ashanti region of Ghana.


Asunto(s)
Planes de Aranceles por Servicios/organización & administración , Seguro de Salud/estadística & datos numéricos , Programas Nacionales de Salud/economía , Programas Nacionales de Salud/organización & administración , Atención Primaria de Salud/economía , Grupos Diagnósticos Relacionados , Ghana , Gastos en Salud , Personal de Salud , Humanos , Seguro de Salud/economía
11.
Prev Chronic Dis ; 15: E49, 2018 04 26.
Artículo en Inglés | MEDLINE | ID: mdl-29704370

RESUMEN

INTRODUCTION: Hispanics in the United States have disproportionately high rates of obesity, hypertension, and diabetes and poorer access to preventive health services. Healthy Fit uses community health workers to extend public health department infrastructure and address Hispanic health disparities related to cardiovascular disease and access to preventive health services. We evaluated the effectiveness of Healthy Fit in 1) reaching Hispanic Americans facing health disparities, and 2) helping participants access preventive health services and make behavior changes to improve heart health. METHODS: Community health workers recruited a sample of predominantly low-income Hispanic immigrant participants (N = 514). Following a health screening, participants received vouchers for breast, cervical, and colorectal cancer screening, and received vaccinations as needed for influenza, pneumonia, and human papillomavirus. Participants who were overweight or had high blood pressure received heart health fotonovelas and referrals to community-based exercise activities. Community health workers completed follow-up phone calls at 1, 3, and 6 months after the health screening to track participant uptake on the referrals and encourage follow-through. RESULTS: Participants faced health disparities related to obesity and screening for breast, cervical, and colorectal cancer. Postintervention completion rates for breast, cervical, and colorectal cancer screening were 54%, 43%, and 32%, respectively, among participants who received a voucher and follow-up phone call. Among participants with follow-up data who were overweight or had high blood pressure, 70% read the fotonovela, 66% completed 1 or more heart health activities in the fotonovela, 21% attended 1 or more community-based exercise activities, and 79% took up some other exercise on their own. CONCLUSION: Healthy Fit is a feasible and low-cost strategy for addressing Hispanic health disparities related to cancer and cardiovascular disease.


Asunto(s)
Agentes Comunitarios de Salud , Hispánicos o Latinos , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Femenino , Accesibilidad a los Servicios de Salud , Humanos , Seguro de Salud , Masculino , Medicaid , Persona de Mediana Edad , Servicios Preventivos de Salud , Factores Socioeconómicos , Estados Unidos , Adulto Joven
12.
J Nurs Adm ; 48(10): 478-480, 2018 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-30239444

RESUMEN

Amazon, Berkshire Hathaway, and JP Morgan Chase shocked the industry with its announcement to join forces to cut healthcare costs and improve healthcare services for its employees. This is just the latest of employer efforts to disrupt the industry by the creation of alternative healthcare delivery networks that demonstrate high-value, low-cost services as compared with what traditional provider systems have to offer. What factors are behind this industry disruption, and what are the key implications for nurse executives?


Asunto(s)
Costos de Salud para el Patrón/estadística & datos numéricos , Planes de Asistencia Médica para Empleados/economía , Industrias/economía , Seguro de Salud/organización & administración , Salud Laboral/estadística & datos numéricos , Garantía de la Calidad de Atención de Salud/economía , Seguro de Costos Compartidos , Humanos , Estados Unidos
13.
Fed Regist ; 83(74): 16930-7070, 2018 Apr 17.
Artículo en Inglés | MEDLINE | ID: mdl-30015469

RESUMEN

This final rule sets forth payment parameters and provisions related to the risk adjustment and risk adjustment data validation programs; cost-sharing parameters; and user fees for Federally-facilitated Exchanges and State Exchanges on the Federal platform. It finalizes changes that provide additional flexibility to States to apply the definition of essential health benefits (EHB) to their markets, enhance the role of States regarding the certification of qualified health plans (QHPs); and provide States with additional flexibility in the operation and establishment of Exchanges, including the Small Business Health Options Program (SHOP) Exchanges. It includes changes to standards related to Exchanges; the required functions of the SHOPs; actuarial value for stand-alone dental plans; the rate review program; the medical loss ratio program; eligibility and enrollment; exemptions; and other related topics.


Asunto(s)
Intercambios de Seguro Médico/economía , Intercambios de Seguro Médico/legislación & jurisprudencia , Beneficios del Seguro/economía , Beneficios del Seguro/legislación & jurisprudencia , Seguro de Salud/economía , Seguro de Salud/legislación & jurisprudencia , Patient Protection and Affordable Care Act/economía , Patient Protection and Affordable Care Act/legislación & jurisprudencia , Ajuste de Riesgo/legislación & jurisprudencia , Seguro de Costos Compartidos/economía , Seguro de Costos Compartidos/legislación & jurisprudencia , Planes de Asistencia Médica para Empleados/economía , Planes de Asistencia Médica para Empleados/legislación & jurisprudencia , Humanos , Sesgo de Selección , Pequeña Empresa/economía , Gobierno Estatal , Estados Unidos , United States Dept. of Health and Human Services
14.
Issue Brief (Commonw Fund) ; 2018: 1-9, 2018 Oct 01.
Artículo en Inglés | MEDLINE | ID: mdl-30362699

RESUMEN

Issue: There has been relatively little discussion about the small-group employer insurance market since the implementation of reforms under the Affordable Care Act. It is important to understand the condition of this market before the impact of recent regulatory changes from the Trump administration. Goal: To understand how the ACA's market reforms have affected prices, enrollment, and competition in the small-group market. Methods: Analysis of financial data filed by small-group insurers with the federal government, along with relevant published literature. Findings and Conclusions: Enrollment has declined in the small-group market, although this is largely a continuation of a trend in place prior to the ACA. Substantially more small-business owners and workers now have coverage than prior to the ACA because many have been able to take advantage of subsidized individual plans through the marketplaces. For those who remain in the small-group market, price increases have been similar to those in the large-group market. The ACA has not reduced the cost of small-group insurance, but has made it more accessible and comprehensive without harming the market. It will be important to continue monitoring the small-group market to ensure that recent regulatory changes do not worsen market conditions.


Asunto(s)
Planes de Asistencia Médica para Empleados/estadística & datos numéricos , Seguro de Salud/estadística & datos numéricos , Pequeña Empresa/estadística & datos numéricos , Planes de Asistencia Médica para Empleados/tendencias , Humanos , Seguro de Salud/tendencias , Patient Protection and Affordable Care Act , Pequeña Empresa/tendencias , Estados Unidos
16.
Klin Padiatr ; 229(6): 342-349, 2017 Nov.
Artículo en Alemán | MEDLINE | ID: mdl-29050043

RESUMEN

Background In Germany, few data are available on medical malpractice claims against pediatricians. On behalf of Statutory Health Insurance Companies their Medical Service (MDK) regularly offers expert testimony in case of allegations during pediatric treatment. Methods Analysis of 374 written pediatric testimonies, documented between September 1st, 2000 and August 31st, 2014. Results 193 allegations against pediatricians were analysed separately for each sector of care (35% concerning outpatients, 28% normal inpatients, and 37% patients treated in an intensive care unit, ICU). Outpatient care led more frequently to malpractice claims regarding diagnosis, most often in the case of dysplasia of the hip (n=6), meningitis (n=5), and pneumonia (n=4). In inpatients, allegations regarding treatment errors were more common and frequently associated with extravasation injury (n=7), as well as periventricular leukomalacia (n=7), sepsis (=6), and intraventricular haemorrhage (n=4) in newborn infants on ICUs. Expert testimony confirmed allegations in 43% of the outpatients, 22% of the normal inpatients and 38% of the ICU patients. Discussion and conclusion The frequency of pediatric malpractice claims seems to depend primarily on the pattern of utilization of pediatric care services. Diagnosis-related constellations leading to malpractice claims in Germany are well-known internationally. Case analysis according to medical care sectors allows comprehensible conclusions for risk management.


Asunto(s)
Testimonio de Experto , Seguro de Salud , Mala Praxis , Pediatras , Niño , Alemania , Humanos , Lactante , Seguridad del Paciente
17.
Natl Med J India ; 30(2): 93-96, 2017.
Artículo en Inglés | MEDLINE | ID: mdl-28816219

RESUMEN

BACKGROUND: Equity in health and equitable access to healthcare has been at the core of health policy in India. The key policy challenge has been how to make that possible? Various health insurance schemes such as the Rashtriya Swasthya Bima Yojana and Arogyasri seek to improve poor people's access to specialist medical care in the public and private sectors. On the other hand, access to primary medical care has been left to the supply side interventions. METHODS: We did a focused review of evidence on equity aspects of primary medical care versus specialist medical care. We selected relevant publications from the Cochrane Library, PubMed and Google Scholar searches and articles snowballing out of them. RESULTS: Higher primary care physician-to-population ratio is invariably associated with better health outcomes. Primary care may partly protect the poor from adverse effects of income inequality on health status. On the other hand, populations do not necessarily benefit from an overabundance of specialists in a geographical area. CONCLUSIONS: Three key policy lessons emerge from this review. First, states should strengthen primary medical care by upgrading health centres. Second, a family health protection plan should be introduced as a demand side intervention to deliver primary care through health centres, non-profit and for-profit clinics. Third, postgraduate courses in family medicine should be introduced for a balanced development of the specialty of primary care pari passu other specialties.


Asunto(s)
Atención Integral de Salud/métodos , Política de Salud , Seguro de Salud , Médicos de Atención Primaria/economía , Especialización/economía , Atención Integral de Salud/economía , Disparidades en Atención de Salud/economía , Disparidades en Atención de Salud/legislación & jurisprudencia , India , Evaluación de Procesos y Resultados en Atención de Salud
20.
LDI Issue Brief ; 21(8): 1-6, 2017 09.
Artículo en Inglés | MEDLINE | ID: mdl-28958127

RESUMEN

This Issue Brief describes the breadth of physician networks on the ACA marketplaces in 2017. We find that the overall rate of narrow networks is 21%, which is a decline since 2014 (31%) and 2016 (25%). Narrow networks are concentrated in plans sold on state-based marketplaces, at 42%, compared to 10% of plans on federally-facilitated marketplaces. Issuers that have traditionally offered Medicaid coverage have the highest prevalence of narrow network plans at 36%, with regional/local plans and provider-based plans close behind at 27% and 30%. We also find large differences in narrow networks by state and by plan type.


Asunto(s)
Intercambios de Seguro Médico/estadística & datos numéricos , Seguro de Salud/estadística & datos numéricos , Patient Protection and Affordable Care Act/estadística & datos numéricos , Sistemas Prepagos de Salud/estadística & datos numéricos , Accesibilidad a los Servicios de Salud , Humanos , Medicaid , Médicos , Organizaciones del Seguro de Salud/estadística & datos numéricos , Estados Unidos
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