The Medicare supplement insurance industry focuses on providing additional coverage to help Medicare beneficiaries cover out-of-pocket expenses. This sector includes a range of companies, each offering unique products designed to meet the healthcare needs of seniors. In recent years, the demand for Medicare supplements has increased significantly as more individuals become eligible. Companies now promote innovative services, leveraging technology to enhance customer experience and engagement. Additionally, there's a growing emphasis on personalized care and preventive health strategies, reflecting shifting priorities in health management for older populations.


This list features 22 prominent companies in the Medicare supplement insurance sector, varying in size from small agencies to major corporate entities. They are headquartered across well-known business hubs throughout the United States, representing years of experience, ranging from the early 1900s to the 2000s. Each organization specializes in catering to the insurance needs of Medicare beneficiaries through products like supplements, Medicare Advantage plans, and prescription drug coverage. This dynamic mix contributes to a competitive and evolving marketplace.


Read on to discover the top Medicare supplement insurance companies.


Top 22 Medicare Supplement Insurance Companies


1. UnitedHealthcare

  • Website: uhc.com
  • Ownership type: Private
  • Headquarters: Minnetonka, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 97%, Other 3%
  • Founded year: 1977
  • Headcount: 10001+
  • LinkedIn: unitedhealthcare

UnitedHealthcare, based in Minnetonka, Minnesota, is a prominent health insurance provider that has been operational since 1977. The company offers a wide array of health plans, including Medicare, Medicaid, and individual family plans. UnitedHealthcare serves a broad audience, including consumers, businesses, and organizations, with a focus on helping members manage healthcare costs and access necessary medical services. Their Medicare offerings include plans that go beyond the basic coverage provided by Original Medicare, catering specifically to the needs of older adults and those with disabilities. The company emphasizes comprehensive coverage options and has developed various supplemental plans to address gaps in traditional Medicare coverage. With over 14,000 employees, UnitedHealthcare is well-equipped to support its members through various channels, including a user-friendly app that allows for easy management of health plan details. Their commitment to health and wellness is evident in their preventive care initiatives and educational resources available to members.


2. Health Net

  • Website: healthnet.com
  • Ownership type: Corporate
  • Headquarters: Los Angeles, California, United States (USA)
  • Employee distribution: United States (USA) 98%, Other 2%
  • Latest funding: March 2016
  • Founded year: 1979
  • Headcount: 1001-5000
  • LinkedIn: health-net

Health Net, LLC, founded in 1979 and based in Los Angeles, California, is a health insurance provider that offers a variety of health plans, including Medicare Advantage and Medi-Cal plans. The company is dedicated to making healthcare accessible and effective for individuals, families, and businesses. Health Net provides Medicare supplement plans, specifically California Medigap, which help cover costs not fully paid by Medicare. This positions the company as a relevant player in the Medicare supplement insurance market. With a workforce of over 5,000 employees, Health Net is part of Centene Corporation, which enhances its capabilities and resources in the healthcare sector. The company emphasizes wellness programs and health management solutions, aiming to support its members in maintaining their health effectively.


3. Mutual of Omaha

  • Website: mutualofomaha.com
  • Ownership type: Corporate
  • Headquarters: Omaha, Nebraska, United States (USA)
  • Employee distribution: United States (USA) 99%
  • Latest funding: March 2024
  • Founded year: 1909
  • Headcount: 1001-5000
  • LinkedIn: mutual-of-omaha

Mutual of Omaha Insurance Company, founded in 1909 and headquartered in Omaha, Nebraska, is a corporate entity that provides a wide array of insurance and financial services. With a workforce of over 8,700 employees, the company serves individuals, families, and businesses across the United States. Mutual of Omaha offers products that include life insurance, long-term care coverage, and notably, Medicare solutions. Their Medicare offerings consist of Medicare Supplement Insurance, Medicare Advantage plans, and Prescription Drug Plans, catering to the needs of seniors and those eligible for Medicare. The company emphasizes helping clients manage health-related expenses and financial risks, showcasing their commitment to the Medicare market through educational resources and personalized advice. This focus on Medicare solutions positions Mutual of Omaha as a significant player in the insurance industry, particularly for those seeking supplemental coverage.


4. Medical Mutual

  • Website: medmutual.com
  • Ownership type: Private
  • Headquarters: Cleveland, Ohio, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1934
  • Headcount: 1001-5000
  • LinkedIn: medical-mutual

Medical Mutual of Ohio is a health insurance provider based in Cleveland, Ohio, with a history dating back to 1934. The company offers a variety of insurance plans, including medical, dental, vision, and notably, Medicare options. Medical Mutual serves individuals, families, and employers, helping them navigate healthcare services and manage health-related expenses. Their Medicare offerings include both Medicare Advantage and Medicare Supplement Insurance plans, designed to cater to the needs of seniors. The company emphasizes community health and has a strong commitment to serving Ohio residents, which is reflected in their tailored insurance solutions and wellness programs. With a workforce of over 3,000 employees, Medical Mutual is positioned as a significant player in the Ohio health insurance market, focusing on providing quality care and support to its members.


5. Wellmark Blue Cross and Blue Shield

  • Website: wellmark.com
  • Ownership type: Private
  • Headquarters: Des Moines, Iowa, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1939
  • Headcount: 1001-5000
  • LinkedIn: wellmark

Wellmark Blue Cross and Blue Shield, founded in 1939, is a private health insurance provider based in Des Moines, Iowa. The company serves consumers and businesses primarily in Iowa and South Dakota, offering a range of insurance products that include Medicare Advantage plans, individual and family health insurance, dental, and life insurance. Wellmark is particularly notable for its Medicare Supplement plans, which help cover out-of-pocket costs associated with Original Medicare. The company is dedicated to helping its members manage healthcare expenses and access necessary medical services. Wellmark operates as an independent licensee of the Blue Cross and Blue Shield Association, which enhances its credibility and network capabilities. With a workforce of over 2,000 employees, Wellmark is positioned to provide personalized service and support to its members, ensuring they have the resources needed to navigate their healthcare options effectively.


6. Health Alliance Plan

  • Website: hap.org
  • Ownership type: Private
  • Headquarters: Detroit, Michigan, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: June 2016
  • Founded year: 1960
  • Headcount: 501-1000
  • LinkedIn: health-alliance-plan

Health Alliance Plan (HAP) is a private health insurance provider based in Detroit, Michigan, established in 1960. The company specializes in a variety of health insurance products, prominently featuring Medicare Advantage and Medicare Supplement plans. HAP serves both individual consumers and businesses, aiming to provide essential health coverage that helps manage healthcare costs effectively. With a workforce of over 1,000 employees, HAP is well-equipped to support its members through various health programs, prescription drug coverage, and member discounts. The company emphasizes its commitment to customer service, offering resources and assistance to help members navigate their healthcare options. HAP's involvement in the Medicare market is significant, as they provide tailored plans that cater to the specific needs of seniors, ensuring they have access to necessary healthcare services.


7. American Senior Benefits

  • Website: americanseniorbenefits.com
  • Ownership type: Corporate
  • Headquarters: Olathe, Kansas, United States (USA)
  • Employee distribution: United States (USA) 99%
  • Latest funding: July 2019
  • Founded year: 2005
  • Headcount: 1001-5000
  • LinkedIn: american-senior-benefits

American Senior Benefits, based in Olathe, Kansas, is an insurance agency that focuses on providing insurance and financial solutions specifically for seniors. Founded in 2005, the company has grown significantly, employing around 1,000 individuals and operating through a network of over 1,800 affiliated agents across more than 165 locations nationwide. They offer a wide range of products, including Medicare supplements, life insurance, long-term care, and retirement planning services. Their agents are trained to help clients navigate the complexities of insurance, ensuring that seniors receive the support they need to make informed decisions. American Senior Benefits partners with more than 220 respected insurance carriers, which allows them to present a comprehensive array of options to their clients. This extensive network and their commitment to a customer-first approach make them a notable player in the senior insurance market.


8. CareFree Insurance Services, a CVS Health Company


CareFree Insurance Services, a CVS Health Company, is an insurance agency based in Columbia, Maryland, established in 2002. The company specializes in health insurance products, particularly catering to individuals and families seeking coverage. Their offerings include Medicare Advantage, Medicare Supplement, and Medicare Part D plans, which are essential for seniors navigating their healthcare options. CareFree Insurance Services focuses on empowering agents with advanced tools and resources, such as the CareCompare platform, to facilitate effective sales and client engagement. This emphasis on agent support and training underscores their commitment to the Medicare market, making them a significant player in the industry. With a workforce of over 1000 employees, the company operates entirely within the United States, ensuring a localized approach to service delivery.


9. The Diversified Companies

  • Website: thediv.com
  • Ownership type: Family Owned
  • Headquarters: Parsippany-Troy Hills, New Jersey, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1979
  • Headcount: 51-200
  • LinkedIn: the-diversified-companies

The Diversified Companies, based in Parsippany-Troy Hills, New Jersey, is a family-owned insurance agency founded in 1979. The company specializes in a range of health insurance products, including Medicare Advantage, Medicare Supplements, ACA Plans, and Final Expense insurance. With a dedicated team of agents, The Diversified Companies aims to assist clients, particularly seniors and those under 65, in navigating the often complex world of health insurance. They prioritize client needs over sales demands, ensuring that individuals receive tailored solutions that best fit their circumstances. Their agents leverage relationships with various carriers to provide a broad spectrum of options, reinforcing their commitment to long-term client support. The company operates under the brand of Integrity Marketing Group, LLC, which enhances their capabilities in the Medicare market.


10. Providence Health Plan


Providence Health Plan, founded in 1984 and based in Portland, Oregon, is a private health insurance provider. The company specializes in a variety of health plans, including Medicare Advantage and Medicare Supplement plans, catering to individuals, families, and businesses. With a workforce of over 650 employees, Providence Health Plan emphasizes a community-first approach, aiming to enhance healthcare accessibility and equity. Their services extend beyond traditional insurance offerings, incorporating resources that support the health and well-being of their members. The company is dedicated to addressing the unique needs of its customer base, particularly in the Medicare segment, where they provide essential support and guidance for beneficiaries navigating their healthcare options.


11. Medicare Health Benefits Inc


Medicare Health Benefits Inc, based in Tucson, Arizona, has been serving the Medicare-eligible population since its founding in 1996. The company operates as a health insurance agency, specializing in Medicare-related services. They assist clients in understanding and navigating various Medicare options, including Medicare Advantage plans, Medicare supplements (Medigap), and prescription drug plans (Part D). With a team of licensed agents, Medicare Health Benefits Inc aims to provide unbiased advice, ensuring clients find the best plans tailored to their health needs. The agency has expanded its reach to multiple locations, including Albuquerque and Nashville, and partners with Senior Market Advisors to enhance its service offerings. Their commitment to educating clients about Medicare options and conducting annual benefits reviews underscores their dedication to the senior community.


12. Physicians Mutual

  • Website: physiciansmutual.com
  • Ownership type: Private
  • Headquarters: Omaha, Nebraska, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1902
  • Headcount: 501-1000
  • LinkedIn: physicians-mutual

Physicians Mutual, based in Omaha, Nebraska, is a private mutual insurance company that has been operational since 1902. With a workforce of approximately 1,000 employees, the company specializes in a variety of insurance products, including dental, life, Medicare supplements, and pet insurance. Physicians Mutual serves individuals and families, aiming to provide essential coverage that protects health and financial stability. The company has a strong emphasis on customer service, reflected in its high customer satisfaction ratings. It also offers educational resources to help clients navigate Medicare, demonstrating its commitment to supporting its customers in understanding their insurance options. Financially, Physicians Mutual is rated 'A' (Excellent) by A.M. Best, indicating a strong ability to meet its obligations to policyholders. This combination of experience, customer focus, and financial strength makes Physicians Mutual a notable entity in the Medicare supplement insurance market.


13. Blue Cross Blue Shield of Wyoming

  • Website: bcbswy.com
  • Ownership type: Private
  • Headquarters: Cheyenne, Wyoming, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1945
  • Headcount: 201-500
  • LinkedIn: blue-cross-blue-shield-of-wyoming

Blue Cross Blue Shield of Wyoming (BCBSWY) is a private health insurance provider based in Cheyenne, Wyoming. Established in 1945, the company has been serving the healthcare needs of individuals, families, and businesses for over seven decades. BCBSWY offers a variety of health plans, including individual, family, and Medicare supplement options, demonstrating their commitment to providing coverage for all stages of life. The company operates primarily within Wyoming, ensuring that residents have access to a robust network of healthcare providers. BCBSWY also emphasizes wellness through tools and virtual care services, aiming to support members in managing their health effectively. As an independent licensee of the Blue Cross and Blue Shield Association, BCBSWY benefits from a national network while maintaining a strong local presence. This combination of local expertise and national support positions BCBSWY as a relevant player in the Medicare supplement insurance market.


14. Med-Care Senior Insurance Solutions

  • Website: med-careaz.com
  • Ownership type: Corporate
  • Headquarters: Scottsdale, Arizona, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: December 2021
  • Founded year: 2009
  • Headcount: 201-500
  • LinkedIn: medcareinsurance

Med-Care Senior Insurance Solutions, founded in 2009 and based in Scottsdale, Arizona, is an insurance agency dedicated to Medicare-related products. With a workforce of around 16 employees, the company operates primarily in Arizona and New Mexico, providing a range of services that include Medicare Advantage plans, Medicare Supplements, and ancillary insurance options. Their mission centers on assisting seniors in navigating the complexities of health coverage, ensuring they receive the most suitable options for their needs. The agency prides itself on over 25 years of combined experience in Medicare market sales, training, and management. They offer extensive support to agents, including training, compliance assistance, and marketing strategies, which enhances their operational effectiveness in the Medicare insurance space. Med-Care Senior Insurance Solutions is positioned as a resourceful partner for both clients and agents, focusing on sustainable growth and adaptability in a changing healthcare environment.


15. Coverance Insurance Solutions, Inc.

  • Website: coveranceis.com
  • Ownership type: Venture Capital
  • Headquarters: Long Beach, California, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: Series B, $10.5M, September 2020
  • Founded year: 2017
  • Headcount: 11-50
  • LinkedIn: coveranceis

Coverance Insurance Solutions, Inc., founded in 2017 and based in Long Beach, California, is a health insurance agency dedicated to Medicare-related services. The company offers a range of products, including Medicare Advantage plans, Medicare Supplement plans, and Medicare Part D prescription drug plans. Coverance aims to assist individuals in understanding and selecting the best Medicare coverage options tailored to their needs. With a team of licensed agents, they provide personalized support to clients, helping them navigate the often complex Medicare system. The company has attracted significant venture capital funding, totaling $10.5 million as of September 2020, which underscores its growth trajectory and commitment to enhancing its service offerings in the Medicare space.


16. Bankers Fidelity Life Insurance Company

  • Website: bankersfidelity.com
  • Ownership type: Private
  • Headquarters: Atlanta, Georgia, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1955
  • Headcount: 51-200
  • LinkedIn: bankersfidelity

Bankers Fidelity Life Insurance Company, headquartered in Atlanta, Georgia, has been a significant player in the insurance industry since its inception in 1955. The company specializes in a variety of health and life insurance products, prominently featuring Medicare Supplement Insurance, which is designed to assist seniors in managing healthcare costs. With a workforce of approximately 98 employees, Bankers Fidelity is dedicated to providing tailored solutions that cater to the unique needs of individuals and families, particularly those aged 65 and older. Their product lineup also includes Lump Sum Cancer Insurance, Final Expense Life Insurance, Short-Term Care Insurance, and Hospital Indemnity Insurance. The company prides itself on its customer service, as evidenced by numerous positive reviews from policyholders who appreciate the support and assistance they receive. Bankers Fidelity is licensed in 46 states and the District of Columbia, although it does not operate in California, Connecticut, New York, or Vermont. The company is a wholly-owned subsidiary of Atlantic American Corporation and has built a reputation for reliability and responsiveness in the insurance market.


17. AmeriLife

  • Website: amerilife.com
  • Ownership type: Private Equity
  • Headquarters: Clearwater, Florida, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: June 2022
  • Founded year: 1971
  • Headcount: 1001-5000
  • LinkedIn: amerilife

AmeriLife, founded in 1971 and based in Clearwater, Florida, operates as an insurance agency and financial services provider. With a workforce of over 1,300 employees, the company specializes in a variety of products, including life insurance, health insurance, annuities, and retirement planning solutions. AmeriLife has established a robust distribution network that connects agents and advisors with clients across the United States. They are particularly active in the Medicare market, offering Medicare Supplement Plans, Medicare Advantage Plans, and Medicare Part D prescription drug plans. Their commitment to client education and advocacy is evident in their approach to helping individuals navigate their insurance options. AmeriLife has built strong relationships with numerous top-rated insurance carriers, enhancing their ability to provide comprehensive solutions tailored to the needs of their clients. The company does not report any recent funding, indicating stability and self-sufficiency in its operations.


18. Freedom Insurance


Freedom Insurance, based in Montgomery, Texas, is a private insurance agency founded in 1994. The company specializes in a range of health insurance products, prominently featuring Medicare plans, including Medicare Supplement insurance. They also offer individual and family health insurance, small business health insurance, and additional services like dental, vision, and travel insurance. Freedom Insurance aims to assist consumers and businesses in navigating the often complex health insurance landscape, ensuring they find suitable and affordable coverage options. Their commitment to providing tailored solutions for Medicare beneficiaries highlights their involvement in the industry, particularly in helping clients understand and access the benefits available to them under Medicare. With a small team of around 53 employees on LinkedIn, Freedom Insurance operates with a personalized approach, focusing on customer service and support.


19. Copeland Insurance Group


Copeland Insurance Group, founded in 1962 and based in Longview, Texas, operates as an insurance agency specializing in health insurance products. The company primarily serves individuals eligible for Medicare, offering a variety of plans including Medicare Advantage, Medicare Supplement (Medigap), and Medicare Part D. Copeland Insurance Group prides itself on providing personalized guidance to help clients navigate their insurance options. They support a network of independent agents, equipping them with essential resources and marketing tools to enhance their service delivery. Their partnership with Integrity Marketing Group allows them to leverage advanced technology solutions, such as MedicareCENTER and LeadCENTER, to streamline operations and improve client engagement. This focus on agent support and technological integration positions Copeland Insurance Group as a significant player in the Medicare insurance market.


20. United Insurance Services


United Insurance Services, now operating as United Health Insure, is a health insurance provider based in Palos Heights, Illinois. Established in 1993, the company has dedicated itself to serving the health insurance needs of seniors, particularly in the realm of Medicare and supplemental insurance. United Health Insure assists individuals in understanding their health insurance options, offering products such as Medicare Supplement insurance and prescription drug coverage. The company prides itself on personalized service, ensuring that clients receive tailored advice and support. Their affiliation with Blue Cross and Blue Shield of Illinois enhances their credibility, providing clients with reliable coverage options. With a focus on building long-term relationships, United Health Insure has positioned itself as a trusted resource for seniors navigating the complexities of Medicare.


21. Martin Insurance Group

  • Website: immartin.com
  • Ownership type: Family Owned
  • Headquarters: Cranbury, New Jersey, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1983
  • Headcount: 51-200
  • LinkedIn: martin-insurance-group-immartin-

Martin Insurance Group, based in Cranbury, New Jersey, is a family-owned insurance agency that has been serving clients since 1983. The company specializes in Medicare Supplement Plans, also known as Medigap insurance, which helps cover costs not included in original Medicare. As an independent broker, Martin Insurance Group is not tied to any single insurance provider, allowing them to offer a wide range of policies tailored to the unique needs of their clients. Their team of experienced insurance experts is dedicated to providing personalized service, ensuring that clients receive the best coverage options available. They have built a strong presence in New Jersey and surrounding states, assisting many individuals and families in understanding and selecting the right Medicare supplement plans. Their commitment to customer service and expertise in the Medicare market positions them as a relevant player in the industry.


22. Great Western Insurance Company

  • Website: gwic.com
  • Ownership type: Corporate
  • Headquarters: Ogden, Utah, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: February 2018
  • Founded year: 1983
  • Headcount: 51-200
  • LinkedIn: great-western-insurance-company

Great Western Insurance Company, now branded as Wellabe, is based in Ogden, Utah, and has been operational since 1983. The company specializes in health and life insurance products, with a significant emphasis on Medicare Supplement insurance. Wellabe aims to provide financial security to individuals, particularly seniors, by filling the gaps in health coverage that Medicare does not cover. Their offerings also include dental insurance, hospital indemnity insurance, and other supplemental health products. Wellabe engages directly with customers, providing resources and support to help them navigate their insurance options. The company has received recognition for its workplace environment, being named one of Iowa’s top workplaces for three consecutive years. In April 2024, AM Best affirmed the financial strength ratings of A (Excellent) for Wellabe's subsidiaries, underscoring its solid financial foundation in the insurance sector.



Medicare Supplement Insurance Insights: Key Companies


CompanyHeadquarterSizeFoundedOwnership
UnitedHealthcareMinnetonka, Minnesota, United States (USA)10001+1977Private
Health NetLos Angeles, California, United States (USA)1001-50001979Corporate
Mutual of OmahaOmaha, Nebraska, United States (USA)1001-50001909Corporate
Medical MutualCleveland, Ohio, United States (USA)1001-50001934Private
Wellmark Blue Cross and Blue ShieldDes Moines, Iowa, United States (USA)1001-50001939Private
Health Alliance PlanDetroit, Michigan, United States (USA)501-10001960Private
American Senior BenefitsOlathe, Kansas, United States (USA)1001-50002005Corporate
CareFree Insurance Services, a CVS Health CompanyColumbia, Maryland, United States (USA)1001-50002002Private
The Diversified CompaniesParsippany-Troy Hills, New Jersey, United States (USA)51-2001979Family Owned
Providence Health PlanPortland, Oregon, United States (USA)1001-50001984Private
Medicare Health Benefits IncTucson, Arizona, United States (USA)11-501996Private
Physicians MutualOmaha, Nebraska, United States (USA)501-10001902Private
Blue Cross Blue Shield of WyomingCheyenne, Wyoming, United States (USA)201-5001945Private
Med-Care Senior Insurance SolutionsScottsdale, Arizona, United States (USA)201-5002009Corporate
Coverance Insurance Solutions, Inc.Long Beach, California, United States (USA)11-502017Venture Capital
Bankers Fidelity Life Insurance CompanyAtlanta, Georgia, United States (USA)51-2001955Private
AmeriLifeClearwater, Florida, United States (USA)1001-50001971Private Equity
Freedom InsuranceMontgomery, Texas, United States (USA)1-101994Private
Copeland Insurance GroupLongview, Texas, United States (USA)51-2001962Private
United Insurance ServicesPalos Heights, Illinois, United States (USA)11-501993Private
Martin Insurance GroupCranbury, New Jersey, United States (USA)51-2001983Family Owned
Great Western Insurance CompanyOgden, Utah, United States (USA)51-2001983Corporate


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