By 2023, 51 percent of all Medicare beneficiaries were enrolled in Medicare Advantage (MA) plans. MA penetration rate has steadily increased throughout the years. Medicare Advantage is the private plan alternative to traditional Medicare and often provides prescription benefits to the beneficiary. This statistic shows the Medicare Advantage penetration into total Medicare in the United States from 2000 to 2023.

In 2004, 5.3 million Medicare beneficiaries were enrolled in Medicare Advantage (MA) plans, by 2023, this has reached 31 million. MA penetration within total Medicare has also increased. Medicare Advantage is the private plan alternative to traditional Medicare and often provides prescription benefits to the beneficiary. This statistic depicts the Medicare Advantage (MA) enrollment in the United States from 2004 to 2023.

The CMS Program Statistics - Medicare Total Enrollment tables provide data on characteristics of the Medicare-covered populations. For additional information on enrollment, providers, and Medicare use and payment, visit the CMS Program Statistics page. These data do not exist in a machine-readable format, so the view data and API options are not available. Please use the download function to access the data. Below is the list of tables: MDCR ENROLL AB 1. Total Medicare Enrollment: Total, Original Medicare, and Medicare Advantage and Other Health Plan Enrollment, Yearly Trend MDCR ENROLL AB 2. Total Medicare Enrollment: Total, Original Medicare, Medicare Advantage and Other Health Plan Enrollment, and Resident Population, by Area of Residence MDCR ENROLL AB 3. Total Medicare Enrollment: Part A and/or Part B Total, Aged, and Disabled Enrollees, Yearly Trend MDCR ENROLL AB 4. Total Medicare Enrollment: Part A and/or Part B Enrollees, by Age Group, Yearly Trend MDCR ENROLL AB 5. Total Medicare Enrollment: Part A and/or Part B Enrollees, by Demographic Characteristics MDCR ENROLL AB 6. Total Medicare Enrollment: Part A and/or Part B Enrollees, by Type of Entitlement and Demographic Characteristics MDCR ENROLL AB 7. Total Medicare Enrollment: Part A and/or Part B Total, Aged, and Disabled Enrollees, by Area of Residence MDCR ENROLL AB 8. Total Medicare Enrollment: Part A and/or Part B Enrollees, by Type of Entitlement and Area of Residence

In 2021, approximately 50 percent of all Medicare Advantage enrollees were aged between 65 and 74 years in the United States. This statistic depicts the distribution of Medicare Advantage (MA) enrollees in the United States in 2021, by age.

This data set accompanies the Profile of the California Medicare Population chartbook, published by the Office of Medicare Innovation and Integration in February 2022, and available at (https://www.dhcs.ca.gov/services/Documents/OMII-Medicare-Databook-February-18-2022.pdf). The three data files in this data set were analyzed from federal administrative data (the Medicare Master Beneficiary Summary File) for beneficiary characteristics as of March 2021. These datasets include: Medicare enrollment, Medicare Advantage enrollment (and its converse fee-for-service Medicare enrollment), dual Medi-Cal eligibility and enrollment (and its converse Medicare-only enrollment), by county. Medicare Savings Program enrollees were considered Medicare-only and not dually enrolled in Medi-Cal. All Medicare Part C beneficiaries, including PACE, Cal MediConnect and Special Needs Plans, were considered to have Medicare Advantage.

DHCS partnered with The SCAN Foundation and ATI Advisory in 2021 and 2022 to develop a series of chartbooks that provide information about Medicare beneficiaries in California. This work is supported by a grant from The SCAN Foundation to advance a coordinated and easily navigated system of high-quality services for older adults that preserve dignity and independence. For more information, visit www.TheSCANFoundation.org.

In 2022, 69 percent of Latino Medicare beneficiaries were enrolled in Medicare Advantage in the United States, the highest share among all ethnic groups. This statistic depicts the share of Medicare beneficiaries enrolled in Medicare Advantage (MA) by ethnicity in the United States in 2022.

In 2024, 29 percent of Medicare's Advantage enrollment was insured through United Healthcare. Medicare Advantage is an option that allows beneficiaries to receive care management from private health plan networks in the United States. It often also provides prescription drug benefits to beneficiaries without them having to enroll in a stand-alone Part D drug plan. This statistic shows the distribution of Advantage enrollment in 2024, by firm.

The CMS Program Statistics - Medicare Part D tables provide use and Part D drug costs by type of Part D plan (stand-alone prescription drug plan and Medicare Advantage prescription drug plan). For additional information on enrollment, providers, and Medicare use and payment, visit the CMS Program Statistics page. These data do not exist in a machine-readable format, so the view data and API options are not available. Please use the download function to access the data. Below is the list of tables: MDCR UTLZN D 1. Medicare Part D Utilization: Average Annual Prescription Drug Fills by Type of Plan, Low Income Subsidy (LIS) Eligibility, and Generic Dispensing Rate, Yearly Trend MDCR UTLZN D 2. Medicare Part D Utilization: Average Annual Gross Drug Costs Per Part D Enrollee, by Type of Plan, Low Income Subsidy (LIS) Eligibility, and Brand/Generic Drug Classification, Yearly Trend MDCR UTLZN D 3. Medicare Part D Utilization: Average Annual Gross Drug Costs Per Part D Enrollee, by Type of Plan, Low Income Subsidy (LIS) Eligibility, and Brand/Generic Drug Classification, Yearly Trend MDCR UTLZN D 4. Medicare Part D Utilization: Average Annual Prescription Drug Fills and Average Annual Gross Drug Cost Per Part D Enrollee, by Type of Plan and Demographic Characteristics MDCR UTLZN D 5. Medicare Part D Utilization: Average Annual Prescription Drug Fills and Average Annual Gross Drug Cost Per Part D Utilizer, by Type of Plan and Demographic Characteristics MDCR UTLZN D 6. Medicare Part D Utilization: Average Annual Prescription Drug Fills and Average Annual Gross Drug Cost Per Part D Enrollee, by Type of Plan, by Area of Residence MDCR UTLZN D 7. Medicare Part D Utilization: Average Annual Prescription Drug Fills and Average Annual Gross Drug Cost Per Part D Utilizer, by Type of Plan, by Area of Residence MDCR UTLZN D 8. Medicare Part D Utilization: Number of Part D Utilizers and Average Annual Prescription Drug Fills by Type of Part D Plan, Low Income Subsidy (LIS) Eligibility, and Part D Coverage Phase, Yearly Trend MDCR UTLZN D 9. Medicare Part D Utilization: Number of Part D Utilizers and Drug Costs by Type of Part D Plan, Low Income Subsidy (LIS) Eligibility, and Part D Coverage Phase, Yearly Trend MDCR UTLZN D 10. Medicare Part D Utilization: Number of Part D Utilizers, Average Annual Prescription Drug Events (Fills) and Average Annual Gross Drug Cost Per Part D Utilizer, by Part D Coverage Phase and Demographic Characteristics MDCR UTLZN D 11. Medicare Part D Utilization: Number of Part D Utilizers, Average Annual Prescription Drug Fills and Average Annual Gross Drug Cost Per Part D Utilizer, by Part D Coverage Phase and Area of Residence

This data set accompanies the Profile of the California Medicare Population chartbook, published by the Office of Medicare Innovation and Integration in February 2022, and available at (https://www.dhcs.ca.gov/services/Documents/OMII-Medicare-Databook-February-18-2022.pdf). The three data files in this data set were analyzed from federal administrative data (the Medicare Master Beneficiary Summary File) for beneficiary characteristics as of March 2021. These datasets include: Medicare enrollment, Medicare Advantage enrollment (and its converse fee-for-service Medicare enrollment), dual Medi-Cal eligibility and enrollment (and its converse Medicare-only enrollment), by county. Medicare Savings Program enrollees were considered Medicare-only and not dually enrolled in Medi-Cal. All Medicare Part C beneficiaries, including PACE, Cal MediConnect and Special Needs Plans, were considered to have Medicare Advantage. DHCS partnered with The SCAN Foundation and ATI Advisory in 2021 and 2022 to develop a series of chartbooks that provide information about Medicare beneficiaries in California. This work is supported by a grant from The SCAN Foundation to advance a coordinated and easily navigated system of high-quality services for older adults that preserve dignity and independence. For more information, visit www.TheSCANFoundation.org.

This dataset tracks the updates made on the dataset "Dual Medi-Cal Enrollment and Medicare Advantage Enrollment in the Medicare Population in California Counties" as a repository for previous versions of the data and metadata.

The CMS Program Statistics - Medicare-Medicaid Enrollment tables provide data on characteristics of the Medicare-Medicaid enrollee population. For additional information on enrollment, providers, and Medicare use and payment, visit the CMS Program Statistics page. These data do not exist in a machine-readable format, so the view data and API options are not available. Please use the download function to access the data. Below is the list of tables: MDCR ENROLL AB 40. Medicare-Medicaid Enrollment (MME): Total Medicare-Medicaid Enrollees by Type of Eligibility, Yearly Trend MDCR ENROLL AB 41. Medicare-Medicaid Enrollment (MME): Total Medicare-Medicaid Enrollees by Type of Eligibility and by Demographic Characteristics MDCR ENROLL AB 42. Medicare-Medicaid Enrollment (MME): Total Medicare-Medicaid Enrollees by Type of Eligibility and Area of Residence MDCR ENROLL AB 43. Medicare-Medicaid Enrollment (MME): Original Medicare Enrollees by Type of Eligibility, Yearly Trend MDCR ENROLL AB 44. Medicare-Medicaid Enrollment (MME): Original Medicare Enrollees by Type of Eligibility and by Demographic Characteristics MDCR ENROLL AB 45. Medicare-Medicaid Enrollment (MME): Original Medicare Enrollees by Type of Eligibility and Area of Residence MDCR ENROLL AB 46. Medicare-Medicaid Enrollment (MME): Medicare Advantage and Other Health Plan Enrollees by Type of Eligibility, Yearly Trend MDCR ENROLL AB 47. Medicare-Medicaid Enrollment (MME): Medicare Advantage and Other Health Plan Enrollees by Type of Eligibility and by Demographic Characteristics MDCR ENROLL AB 48. Medicare-Medicaid Enrollment (MME): Medicare Advantage and Other Health Plan Enrollees by Type of Eligibility and Area of Residence

By 2024, around 20 percent of all Medicare Advantage beneficiaries were enrolled in special needs plans (SNPs). SNPs penetration rate has significantly increased in the provided time interval. This statistic shows the SNPs penetration into the total Medicare Advantage (MA) market in the United States from 2019 to 2024.

The CMS Program Statistics – Medicare Advantage, Outpatient Facility tables provide utilization data for outpatient facilities, by Medicare Advantage beneficiaries. For additional information on enrollment, providers, and Medicare use and payment, visit the CMS Program Statistics page. These data do not exist in a machine-readable format, so the view data and API options are not available. Please use the download function to access the data. Below is the list of tables: MDCR OUTPATIENT MA 1. Medicare Outpatient Facilities: Utilization for Medicare Advantage Beneficiaries, by Type of Entitlement, Yearly Trend MDCR OUTPATIENT MA 2. Medicare Outpatient Facilities: Utilization for Medicare Advantage Beneficiaries, by Demographic Characteristics and Medicare-Medicaid Enrollment Status MDCR OUTPATIENT MA 3. Medicare Outpatient Facilities: Utilization for Medicare Advantage Beneficiaries, by Area of Residence

The CMS Program Statistics - Medicare Advantage, Inpatient Hospital tables provide utilization data for inpatient hospitals, including short-stay hospitals, critical access hospitals, long term care hospitals, inpatient psychiatric facilities, inpatient rehabilitation facilities, and other hospitals, by Medicare Advantage beneficiaries.

For additional information on enrollment, providers, and Medicare use and payment, visit the CMS Program Statistics page.

These data do not exist in a machine-readable format, so the view data and API options are not available. Please use the download function to access the data.

Below is the list of tables:

MDCR INPT HOSP MA 4. All Medicare Inpatient Hospital Types: Utilization for Medicare Advantage Beneficiaries, by Type of Hospital
MDCR INPT HOSP MA 5. Medicare Short Stay Hospitals: Utilization for Medicare Advantage Beneficiaries, by Type of Entitlement, Yearly Trend
MDCR INPT HOSP MA 6. Medicare Short Stay Hospitals: Utilization for Medicare Advantage Beneficiaries, by Demographic Characteristics and Medicare-Medicaid Enrollment Status
MDCR INPT HOSP MA 7. Medicare Short Stay Hospitals: Utilization for Medicare Advantage Beneficiaries, by Area of Residence

MDCR INPT HOSP MA 1 – MDCR INPT HOSP MA 3 are not available at this time.

In 2023, some 1.87 million Medicare Advantage beneficiaries were enrolled in New York. Medicare Advantage is the private plan alternative to traditional Medicare and often provides prescription benefits to the beneficiary without them having to enroll in a stand-alone Part D drug plan. This statistic presents the leading ten U.S. states by Medicare Advantage enrollment in 2023.

United States Health Insurance: Enrollment: Medicare Supplement data was reported at 5.000 USD mn in 2023. This stayed constant from the previous number of 5.000 USD mn for 2022. United States Health Insurance: Enrollment: Medicare Supplement data is updated yearly, averaging 4.000 USD mn from Dec 2007 (Median) to 2023, with 17 observations. The data reached an all-time high of 5.000 USD mn in 2023 and a record low of 4.000 USD mn in 2018. United States Health Insurance: Enrollment: Medicare Supplement data remains active status in CEIC and is reported by National Association of Insurance Commissioners. The data is categorized under Global Database’s United States – Table US.RG022: Health Insurance: Operations by Lines of Business.

In 2023, some 8.9 million Medicare Advantage (MA) beneficiaries were enrolled in a plan from the UnitedHealth Group Inc. Medicare Advantage is an option that allows the beneficiary to receive care management from private health plan networks. It often also provides prescription drug benefits to the beneficiary without them having to enroll in a stand-alone Part D drug plan. This statistic depicts the leading Medicare Advantage organizations in the United States as of December 2023, based on enrollment.

The CMS Program Statistics - Medicare Advantage, Skilled Nursing Facility tables provide utilization data for skilled nursing facilities, by Medicare Advantage beneficiaries.

For additional information on enrollment, providers, and Medicare use and payment, visit the CMS Program Statistics page.

These data do not exist in a machine-readable format, so the view data and API options are not available. Please use the download function to access the data.

Below is the list of tables:

MDCR SNF MA 1. Medicare Skilled Nursing Facilities: Utilization for Medicare Advantage Beneficiaries, by Type of Entitlement, Yearly Trend
MDCR SNF MA 2. Medicare Skilled Nursing Facilities: Utilization for Medicare Advantage Beneficiaries, by Demographic Characteristics and Medicare-Medicaid Enrollment Status
MDCR SNF MA 3. Medicare Skilled Nursing Facilities: Utilization for Medicare Advantage Beneficiaries, by Area of Residence

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The data used in the chronic condition reports are based upon CMS administrative enrollment and claims data for Medicare beneficiaries enrolled in the fee-for-service program. These data are available from the CMS Chronic Condition Data Warehouse (CCW), a database with 100 percent of Medicare enrollment and fee-for-service claims data. The Medicare beneficiary population is limited to fee-for-service beneficiaries. We excluded Medicare beneficiaries with any Medicare Advantage enrollment during the year since claims data are not available for these beneficiaries. Also, we excluded beneficiaries who were enrolled at any time in the year in Part A only or Part B only, since their utilization and spending cannot be compared directly to beneficiaries enrolled in both Part A and Part B. Beneficiaries who died during the year are included up to their date of death if they meet the other inclusion criteria.

The data used in the chronic condition reports are based upon CMS administrative enrollment and claims data for Medicare beneficiaries enrolled in the fee-for-service program. These data are available from the CMS Chronic Condition Data Warehouse (CCW), a database with 100 percent of Medicare enrollment and fee-for-service claims data. The Medicare beneficiary population is limited to fee-for-service beneficiaries. We excluded Medicare beneficiaries with any Medicare Advantage enrollment during the year since claims data are not available for these beneficiaries. Also, we excluded beneficiaries who were enrolled at any time in the year in Part A only or Part B only, since their utilization and spending cannot be compared directly to beneficiaries enrolled in both Part A and Part B. Beneficiaries who died during the year are included up to their date of death if they meet the other inclusion criteria.

In 2022, 12.1 million Medicare Advantage beneficiaries were enrolled in PPO plans. Medicare Advantage is the private plan alternative to traditional Medicare and often provides prescription benefits to the beneficiary without them having to enroll in a stand-alone Part D drug plan. This statistic displays the Medicare Advantage enrollment in the United States by plan type from 2014 to 2022.