Titre : Medicare (USA)

Medicare (USA) : Questions médicales fréquentes

Questions fréquentes et termes MeSH associés

Diagnostic 5

#1

Comment savoir si je suis éligible à Medicare ?

Vous êtes éligible si vous avez 65 ans ou plus, ou si vous êtes handicapé depuis au moins 24 mois.
Assurance maladie Personnes âgées
#2

Quels documents sont nécessaires pour s'inscrire à Medicare ?

Vous aurez besoin de votre numéro de sécurité sociale et de documents d'identité.
Inscription Documents d'identité
#3

Quand dois-je m'inscrire à Medicare ?

L'inscription peut commencer 3 mois avant votre 65e anniversaire et se termine 3 mois après.
Âge avancé Inscription
#4

Quelles sont les différentes parties de Medicare ?

Medicare se compose de quatre parties : A, B, C et D, chacune couvrant différents services.
Assurance maladie Services de santé
#5

Comment vérifier mon statut d'inscription à Medicare ?

Vous pouvez vérifier votre statut en ligne sur le site de la Sécurité sociale ou par téléphone.
Vérification Sécurité sociale

Symptômes 5

#1

Quels symptômes indiquent un besoin de Medicare ?

Les symptômes ne sont pas spécifiques, mais des problèmes de santé liés à l'âge peuvent nécessiter une couverture.
Santé des personnes âgées Problèmes de santé
#2

Comment Medicare aide-t-il en cas de maladie chronique ?

Medicare couvre les soins pour les maladies chroniques, y compris les consultations et les médicaments.
Maladies chroniques Soins de santé
#3

Y a-t-il des symptômes de confusion sur la couverture de Medicare ?

Oui, beaucoup de gens confondent les parties A et B, et leurs couvertures respectives.
Confusion Assurance maladie
#4

Quels signes montrent que je devrais changer de plan Medicare ?

Des changements dans votre santé ou vos besoins médicaux peuvent indiquer un changement de plan.
Changement de plan Besoins médicaux
#5

Comment savoir si je suis sous-couvert par Medicare ?

Si vous avez des frais médicaux élevés non couverts, cela peut indiquer une sous-couverture.
Sous-couverture Frais médicaux

Prévention 5

#1

Comment Medicare encourage-t-il la prévention ?

Medicare offre des examens de santé gratuits et des programmes de prévention pour les bénéficiaires.
Prévention Examens de santé
#2

Quels services préventifs sont offerts par Medicare ?

Les services incluent des dépistages du cancer, des vaccinations et des bilans de santé annuels.
Dépistage Vaccinations
#3

Y a-t-il des programmes de bien-être dans Medicare ?

Oui, Medicare propose des programmes de bien-être pour promouvoir un mode de vie sain.
Programmes de bien-être Mode de vie sain
#4

Comment accéder aux services préventifs de Medicare ?

Vous pouvez accéder aux services préventifs en prenant rendez-vous avec votre médecin.
Accès aux services Médecin
#5

Medicare couvre-t-il les conseils en nutrition ?

Oui, Medicare couvre les conseils en nutrition pour les personnes atteintes de certaines conditions.
Conseils en nutrition Conditions médicales

Traitements 5

#1

Quels traitements sont couverts par Medicare ?

Medicare couvre les soins hospitaliers, les consultations médicales et certains médicaments.
Traitements médicaux Médicaments
#2

Comment choisir un plan Medicare adapté à mes besoins ?

Évaluez vos besoins médicaux, comparez les plans et consultez un conseiller en assurance.
Choix de plan Conseiller en assurance
#3

Medicare couvre-t-il les soins préventifs ?

Oui, Medicare couvre de nombreux services préventifs, comme les vaccinations et les dépistages.
Soins préventifs Vaccinations
#4

Quels traitements ne sont pas couverts par Medicare ?

Medicare ne couvre pas les soins dentaires, les lunettes et certains traitements alternatifs.
Soins non couverts Traitements alternatifs
#5

Comment faire appel d'une décision de Medicare ?

Vous pouvez faire appel en suivant les instructions sur votre avis de refus de couverture.
Appel Refus de couverture

Complications 5

#1

Quelles complications peuvent survenir avec Medicare ?

Des complications peuvent inclure des frais imprévus et des lacunes dans la couverture.
Complications Frais imprévus
#2

Comment éviter les complications liées à Medicare ?

Lisez attentivement les documents, posez des questions et choisissez le bon plan.
Éviter les complications Choix de plan
#3

Que faire en cas de refus de couverture par Medicare ?

Vous pouvez contester la décision et demander une réévaluation de votre situation.
Refus de couverture Contestation
#4

Les complications de santé affectent-elles ma couverture Medicare ?

Oui, certaines complications de santé peuvent nécessiter des ajustements de votre plan.
Complications de santé Ajustements de plan
#5

Comment signaler une fraude liée à Medicare ?

Signalez la fraude à Medicare en appelant le numéro de fraude ou en ligne sur leur site.
Fraude Signalement

Facteurs de risque 5

#1

Quels facteurs de risque influencent l'éligibilité à Medicare ?

L'âge, le statut de handicap et les antécédents médicaux sont des facteurs clés.
Facteurs de risque Antécédents médicaux
#2

Comment le revenu affecte-t-il Medicare ?

Un revenu élevé peut entraîner des primes plus élevées pour certaines parties de Medicare.
Revenu Primes
#3

Les antécédents familiaux influencent-ils Medicare ?

Oui, des antécédents familiaux de maladies peuvent affecter vos besoins en couverture.
Antécédents familiaux Besoins en couverture
#4

Quels comportements augmentent les risques de santé ?

Le tabagisme, une mauvaise alimentation et le manque d'exercice augmentent les risques.
Comportements à risque Santé
#5

Comment gérer les facteurs de risque pour une meilleure couverture ?

Adoptez un mode de vie sain et consultez régulièrement votre médecin pour ajuster votre plan.
Gestion des risques Mode de vie sain
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"position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Medicare couvre les soins hospitaliers, les consultations médicales et certains médicaments." } }, { "@type": "Question", "name": "Comment choisir un plan Medicare adapté à mes besoins ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Évaluez vos besoins médicaux, comparez les plans et consultez un conseiller en assurance." } }, { "@type": "Question", "name": "Medicare couvre-t-il les soins préventifs ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, Medicare couvre de nombreux services préventifs, comme les vaccinations et les dépistages." } }, { "@type": "Question", "name": "Quels traitements ne sont pas couverts par Medicare ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Medicare ne couvre pas les soins dentaires, les lunettes et certains traitements alternatifs." } }, { "@type": "Question", "name": "Comment faire appel d'une décision de Medicare ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Vous pouvez faire appel en suivant les instructions sur votre avis de refus de couverture." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec Medicare ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications peuvent inclure des frais imprévus et des lacunes dans la couverture." } }, { "@type": "Question", "name": "Comment éviter les complications liées à Medicare ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Lisez attentivement les documents, posez des questions et choisissez le bon plan." } }, { "@type": "Question", "name": "Que faire en cas de refus de couverture par Medicare ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Vous pouvez contester la décision et demander une réévaluation de votre situation." } }, { "@type": "Question", "name": "Les complications de santé affectent-elles ma couverture Medicare ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certaines complications de santé peuvent nécessiter des ajustements de votre plan." } }, { "@type": "Question", "name": "Comment signaler une fraude liée à Medicare ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Signalez la fraude à Medicare en appelant le numéro de fraude ou en ligne sur leur site." } }, { "@type": "Question", "name": "Quels facteurs de risque influencent l'éligibilité à Medicare ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "L'âge, le statut de handicap et les antécédents médicaux sont des facteurs clés." } }, { "@type": "Question", "name": "Comment le revenu affecte-t-il Medicare ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Un revenu élevé peut entraîner des primes plus élevées pour certaines parties de Medicare." } }, { "@type": "Question", "name": "Les antécédents familiaux influencent-ils Medicare ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des antécédents familiaux de maladies peuvent affecter vos besoins en couverture." } }, { "@type": "Question", "name": "Quels comportements augmentent les risques de santé ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Le tabagisme, une mauvaise alimentation et le manque d'exercice augmentent les risques." } }, { "@type": "Question", "name": "Comment gérer les facteurs de risque pour une meilleure couverture ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Adoptez un mode de vie sain et consultez régulièrement votre médecin pour ajuster votre plan." } } ] } ] }
Dr Olivier Menir

Contenu validé par Dr Olivier Menir

Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale


Validation scientifique effectuée le 08/08/2026

Contenu vérifié selon les dernières recommandations médicales

Auteurs principaux

Amal N Trivedi

6 publications dans cette catégorie

Affiliations :
  • Department of Health Services, Policy and Practice, Alpert Medical School of Brown University, Providence, Rhode Island, USA.

Joan M Teno

5 publications dans cette catégorie

Affiliations :
  • Division of General Internal Medicine and Geriatrics, School of Medicine, Oregon Health and Science University, Portland, Oregon, USA.

Joseph P Newhouse

5 publications dans cette catégorie

Affiliations :
  • Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts.
  • Department of Health Policy and Management, Harvard T.H. Chan School of Public Health, Boston, Massachusetts.
  • Harvard Kennedy School, Cambridge, Massachusetts.
  • National Bureau of Economic Research, Cambridge, Massachusetts.

Norma B Coe

4 publications dans cette catégorie

Affiliations :
  • Department of Medical Ethics and Health Policy, Perelman School of Medicine.
  • Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, PA.

Momotazur Rahman

4 publications dans cette catégorie

Affiliations :
  • School of Public Health, Health Services, Policy and Practice, Brown University School of Public Health, Providence, Rhode Island.

Mary Price

4 publications dans cette catégorie

Affiliations :
  • Biostat Data Consulting, Inc.
Publications dans "Medicare (USA)" :

John Hsu

4 publications dans cette catégorie

Affiliations :
  • Mongan Institute for Health Care Policy, Massachusetts General Hospital and Department of Health Care Policy, Harvard Medical School, Harvard University, Boston.
Publications dans "Medicare (USA)" :

Amol S Navathe

3 publications dans cette catégorie

Affiliations :
  • Amol S. Navathe is a core investigator at the Corporal Michael J. Cresencz Veterans Affairs Medical Center; an assistant professor in the Department of Medical Ethics and Health Policy, Perelman School of Medicine; and a senior fellow at the Leonard Davis Institute of Health Economics, University of Pennsylvania, all in Philadelphia.

Jeffrey Marr

3 publications dans cette catégorie

Affiliations :
  • Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, 624 N Broadway, Baltimore, MD 21205. Email: jmarr5@jhu.edu.

Bruce E Landon

3 publications dans cette catégorie

Affiliations :
  • Department of Health Care Policy, Harvard Medical School, 180 Longwood Ave, Boston, MA 02215. Email: landon@hcp.med.harvard.edu.

Paul Fishman

3 publications dans cette catégorie

Affiliations :
  • Department of Health Services, School of Public Health, University of Washington, Seattle, WA.

Brent A Langellier

3 publications dans cette catégorie

Affiliations :
  • Department of Health Management and Policy, Dornsife School of Public Health, Drexel University, Philadelphia, Pennsylvania.

Peter J Huckfeldt

3 publications dans cette catégorie

Affiliations :
  • Division of Health Policy and Management, University of Minnesota School of Public Health, Minneapolis.

Laura M Keohane

3 publications dans cette catégorie

Affiliations :
  • Department of Health Policy, Vanderbilt University School of Medicine, Nashville, Tennessee, USA.

Lindsay White

3 publications dans cette catégorie

Affiliations :
  • Department of Health Services, School of Public Health, University of Washington, Seattle.

Sources (825 au total)

Medicare-Covered Services Near the End of Life in Medicare Advantage vs Traditional Medicare.

Financial incentives in Medicare Advantage (MA), the managed care alternative to traditional Medicare (TM), were designed to reduce overutilization. For patients near the end of life (EOL), MA incenti... To compare receipt of potentially burdensome treatments and transfers and potentially necessary postacute services in the last 6 months of life in individuals with MA vs TM.... A retrospective analysis of Medicare claims data among older Medicare beneficiaries who died between 2016 and 2018. The study included Medicare decedents aged 66 years or older covered by TM (n = 659 ... MA enrollment.... Receipt of potentially burdensome hospitalizations and treatments; receipt of postdischarge home and facility care.... The study included 659 135 TM enrollees (mean [SD] age at death, 83.3 [9.0] years, 54% female, 15.1% non-White, 55% with 1 or more life-limiting condition) and 360 430 MA enrollees (mean [SD] age at d... MA enrollment was associated with lower rates of potentially burdensome and facility-based care near the EOL. Greater use of home-based care may improve quality of care but may also leave patients wit...

Frailty in Medicare Advantage Beneficiaries and Traditional Medicare Beneficiaries.

A growing proportion of the population is enrolling in Medicare Advantage (MA), which typically offers additional benefits compared with traditional Medicare (TM).... To determine whether frailty and frailty trajectories differ between MA enrollees and TM enrollees.... This retrospective cohort study used data from the National Health and Aging Trends Study (2015-2016). Analyses were conducted from August 2023 to March 2024. Participants were community-dwelling Medi... Enrollment in MA vs TM.... Frailty was calculated by a frailty index (FI) (range, 0-1, with higher values indicating greater frailty) and the Fried Frailty Phenotype (FFP) score (range, 0-5, with higher values indicating greate... The final cohort consisted of 7063 participants (2775 [23.1%] aged >80 years; 4040 [54.7%] female), representing a sample of the 38.8 million beneficiaries. There were 2583 (35.0%) MA enrollees (13.6 ... In this cohort study of Medicare beneficiaries from 2015, MA enrollees experienced similar declines in frailty over 1 year compared with TM enrollees. Future work should examine whether the specific t...

Evaluation of Low-Value Services Across Major Medicare Advantage Insurers and Traditional Medicare.

Compared with traditional Medicare (TM), Medicare Advantage (MA) insurers have greater financial incentives to reduce the delivery of low-value services (LVS); however, there is limited evidence at a ... To determine whether there are differences in the rates of LVS delivered to Medicare beneficiaries enrolled in MA vs TM, overall and by the 7 largest MA insurers.... This cross-sectional study included Medicare beneficiaries aged 65 years and older residing in the US in 2018 with complete demographic information. Eligible TM beneficiaries were enrolled in Parts A,... Medicare plan type.... The primary outcome was utlization of 35 LVS defined by the Milliman Health Waste Calculator. An overdispersed Poisson regression model was used to calculate estimated margins comparing risk-adjusted ... The study sample included 3 671 364 unique TM beneficiaries (mean [SD] age, 75.7 [7.7] years; 1 502 631 female [40.9%]) and 2 299 618 unique MA beneficiaries (mean [SD] age, 75.3 [7.3] years; 983 592 ... In this cross-sectional study of nearly 6 million Medicare beneficiaries, utilization of LVS was on average lower among MA beneficiaries compared with TM beneficiaries, possibly owing to stronger fina...

Medicare Payment for Opioid Treatment Programs.

Medicare began paying for medications for opioid use disorder (MOUD) at opioid treatment programs (OTPs) that dispense methadone and other MOUD in January 2020. There has been little research describi... To describe how many and which Medicare beneficiaries receive care from OTPs and how this compares to those receiving MOUD in other settings.... This cross-sectional study included all patients receiving MOUD care identified in 2019-2022 100% US Medicare Parts B and D claims. Patients receiving care in an OTP who were dually insured with Medic... Receiving MOUD care in an OTP.... Comparisons of 2022 beneficiaries treated in OTPs vs other non-OTP settings in 2022.... The share of Medicare beneficiaries treated by OTPs rose steadily from 4 per 10 000 (14 160 beneficiaries) in January 2020 to 7 per 10 000 (25 596 beneficiaries) in August 2020, then plateaued through... This study showed that since the initiation of Medicare OTP coverage in 2020, there has been a rapid increase in the number of Medicare beneficiaries with claims for OTP services for MOUD, and most OT...

Racial/ethnic disparities in cost-related barriers to care among near-poor beneficiaries in Medicare Advantage vs traditional Medicare.

To compare racial and ethnic disparities in cost-related medical care and dental care barriers and use of vision care among near-poor Medicare beneficiaries in Medicare Advantage (MA) vs traditional M... Cross-sectional analysis of 2015-2019 data from the nationally representative Medicare Current Beneficiary Survey.... Propensity score-weighted difference-in-disparities analyses comparing Black-White and Hispanic-White disparities in MA vs TM among near-poor Medicare beneficiaries with incomes between 101% and 250% ... For cost-related barriers to medical care, Hispanic-White disparities were narrower by 8.8 (95% CI, -14.0 to -3.6) percentage points in MA relative to TM but differences in Black-White disparities wer... Among near-poor Black and Hispanic Medicare beneficiaries, MA was associated with greater use of vision care and narrowing of some disparities in cost-related access barriers vs TM. However, MA did no...

Telehealth Expansion and Medicare Beneficiaries' Care Quality and Access.

Understanding the association of telehealth use with health care outcomes is fundamental to determining whether telehealth waivers implemented during the COVID-19 public health emergency should be mad... To estimate the association of telehealth use with outcomes for all Medicare fee-for-service (FFS) beneficiaries by comparing hospital service areas (HSAs) with different levels of telehealth use.... This US population-based, retrospective cohort study was conducted from July 2022 to April 2023. Participants included Medicare claims of beneficiaries attributed to HSAs with FFS enrollment in Parts ... Low, medium, or high tercile of telehealth use created by ranking HSAs according to the number of telehealth visits per 1000 beneficiaries.... The primary outcomes were quality (ambulatory care-sensitive [ACS] hospitalizations and emergency department [ED] visits per 1000 FFS beneficiaries), access to care (clinician encounters per FFS benef... In this cohort study of claims from approximately 30 million Medicare beneficiaries (mean [SD] age in 2019, 71.04 [1.67] years; mean [SD] percentage female in 2019, 53.83% [2.14%]) within 3436 HSAs, b... In this cohort study of Medicare beneficiaries across all 3436 HSAs, high levels of telehealth use were associated with more clinician encounters, more ACS hospitalizations, and higher total health ca...

Opting out of Medicare: Characteristics and differences between optometrists and ophthalmologists.

To determine the rate of Medicare opt-out among optometrists and ophthalmologists and to contrast the differences in the characteristics and geographic distribution of these populations.... A retrospective cross-sectional study.... Using a publicly available Centers for Medicare & Medicaid Services (CMS) data set, we collated data for ophthalmologists and optometrists who opted out in each year between 2005 and 2023. We calculat... Both annual and cumulative rate of ophthalmologist and optometrist opt-out from Medicare.... The estimated prevalence of Medicare opt-outs was 0.52% (77/14,807) for ophthalmologists and 0.38% (154/40,526) for optometrists. Ophthalmologists opting out were predominantly male (67.5%), had a lon... Few ophthalmologists and optometrists opt-out of Medicare but this trend has significantly increased since 2012. Of those who disenrolled from Medicare, 83% of ophthalmologists were in urbanized areas...

Case Definition for Diagnosed Alzheimer Disease and Related Dementias in Medicare.

Lack of a US dementia surveillance system hinders efforts to support and address disparities among persons living with Alzheimer disease and related dementias (ADRD).... To review diagnosis and prescription drug code ADRD identification algorithms to develop and implement case definitions for national surveillance.... In this cross-sectional study, a systematic literature review was conducted to identify unique International Statistical Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) a... ICD-10-CM and national drug codes in FFS claims or MA encounters.... The primary outcome was counts and rates of beneficiaries meeting each case definition. Category-specific age, sex, race and ethnicity, MA enrollment, dual-eligibility, long-term care utilization, mor... Of the 60 000 869 beneficiaries included (50 853 806 aged 65 years or older [84.8%]; 32 567 891 female [54.3%]; 5 555 571 Hispanic [9.3%]; 6 318 194 non-Hispanic Black [10.5%]; 44 384 980 non-Hispanic... This cross-sectional study of 2019 Medicare beneficiaries identified more than 5.4 million Medicare beneficiaries with evidence of at least likely ADRD in 2019 using the diagnostic case definition. Pe...

Care transition management and patient outcomes in hospitalized Medicare beneficiaries.

To assess whether discharging hospitals' self-reported care transition activities (CTAs) were associated with transitional care management (TCM) claims following discharge to the community and whether... Cross-sectional study of 424,115 hospitalized Medicare fee-for-service beneficiaries 66 years and older who were discharged to the community in 2017 and attributed to 659 hospitals in the 2017-2018 Na... Using logistic regression, we examined the association between survey-based hospital-reported CTAs and an attributed beneficiary's TCM claim. We assessed the associations between hospital CTAs and TCM... Beneficiaries attributed to hospitals reporting high (top tertile vs bottom tertile) CTA had a higher probability of TCM after discharge by 3 percentage points. TCM was associated with lower 90-day ep... Beyond recent increases in provider TCM compensation and relaxed billing restrictions, hospitals should be encouraged to increase CTA and to enhance care transitions to improve patient outcomes and lo...