AmeriBen is a Third Party Administrator with objectives far beyond the scope of administering benefit plans. Our “Why?” starts with making healthcare more affordable and accessible for everyone.

We know that an employer sponsored health plan is one of the greatest benefits our clients provide to their employees and their families. Our goal is to increase member satisfaction while reducing employer and employee costs through proper claims administration and exceptional customer service. The result? We have a proven record of reducing and controlling medical trend for our clients. 

About AmeriBen

AmeriBen is a Third Party Administrator headquartered in Meridian, Idaho. AmeriBen has been in business since 1958 and began processing medical claims in 1964. We specialize in administering complex benefit plans for over 170 self-funded employer groups and fully-insured university plans totaling over one million member lives.

AmeriBen's industry experience enables us to partner with best-in-class networks and vendors while still remaining dedicated to strategic decision making and personal touch. We aim to provide employers the sophistication and technology of a large carrier while maintaining the personal service and flexibility of a TPA.

Our mission extends beyond accurately administering benefits. Our focus is on the greater mission of touching and improving lives. Our staff of over 1,200 employees understand that there is a person behind every claim and a complex issue behind every call. Learn more about our company mission and culture.


AmeriBen is not only a full service TPA with 60 years of administration experience, but we are the largest group in the Northwest with the ability to also provide human resource consulting services.

Human Resource Consulting

Organizations of all sizes utilize AmeriBen's numerous consulting services with confidence in our firmly established, experienced, and trusted human resource consultants. Since 1958 we have excelled at assessing an organization's needs and implementing effective solutions. Our team of human resource consultants, with vast experience and a variety of advanced degrees, will assist you in implementing strategically designed tools and services to ensure first-class results.

Visit the Human Resource Consulting site.



Contact Us


Please call the phone number listed on the back of the ID card.


Brad Kirkpatrick


For over 35 years, Brad Kirkpatrick has played key-leadership roles in several start-up and early-stage healthcare companies as well as four publicly traded healthcare companies. Within the last 18 years, Brad can be credited with senior leadership roles at Hydrogen Health, Anthem Joint Venture (Chief Commercial Officer), Anthem National Accounts (Chief Client Officer), Web MD Health Services (Chief Client Officer), Imagine Health (Chief Growth Officer), Healthways (President, Employer and Government Divisions), and Best Doctors (Senior Vice President).

Brad received his Bachelor of Science in Business Administration-Finance, from the University of Missouri and was active with the Trulaske College of Business via their Professor-for-a-Day program. Brad is a former board member for the non-profit organization, The Refuge Center for Counseling in Franklin, TN.

Brad’s “why” is focused on making healthcare more affordable and accessible for everyone.


Jon Aubrey

Executive Vice President

As Executive Vice President for AmeriBen, Jon focuses on TPA strategy, new group sales and client and vendor relationships. Jon has broad experience in third party administration and while at First Health, he managed the COBRA and HIPAA departments. During that time, he oversaw the administration of 500+ clients and managed 45 employees. He later moved into account management with First Health and worked with many large national accounts.

In 1999 Jon joined AmeriBen and has worked as an Account Representative Manager, a Director of Marketing, VP of Account and Business Development and now in his current role as Executive Vice President. He is responsible for new sales throughout the United States. He also has responsibility for new vendor partnerships and contracting. The number of employee and student lives serviced by AmeriBen has grown significantly during his tenure. He is also asked to speak regularly about timely healthcare topics and is known for his expertise and presentation style.

Jon has received his Life and Disability license and is licensed in many states. Jon attended Utah State University majoring in Communications and is fluent in Spanish. 


Diane Duffy

Chief Operating Officer

Diane Duffy is chief operating officer at AmeriBen.  She is responsible for overseeing AmeriBen’s business operations, employing strategies to maximize customer satisfaction and support growth.  In this role, she spearheads strategies focused on driving the company’s operational capabilities focused on establishing efficient processes that surpass customer expectations and lead to business growth. 

Prior to joining AmeriBen, Diane spent 14 years at Anthem, Inc.  Most recently, she was the vice president InterPlan Management.  She was responsible for leading the team that is accountable for the administration of national Blue Cross and Blue Shield programs, which includes ensuring ongoing compliance with all policies and requirements as well as leading the implementation of new initiatives in support of national Blue business. She advised Anthem leaders on Blue policy matters, including the interpretation, development, recommendation and implementation of innovative solutions, and directed the national Blue Cross Blue Shield governance process for Anthem, Inc., ensuring the analysis and review of all initiatives impacting National Blue business.

Diane leads the Employer Funding Solutions team, which is accountable for the strategy, implementation and execution of shared savings programs that drive savings for our self-funded customers.

Diane spent 12 years at the Blue Cross and Blue Shield Association, earlier in her career, where she held multiple roles, most recently overseeing and directing the national Blue Cross Blue Shield Association governance process for Inter-Plan subcommittees ensuring the coordination of all meeting logistics, agendas and content. At BCBSA she also played a key role in information management and performance management, as well as policy and compliance specific to National Accounts business.

Diane has completed Anthem’s Executive Leadership Program and holds a master’s degree in public service from De Paul University in Chicago.


Sarah Grigerick

Chief of Staff

Sarah Grigerick is Chief of Staff at AmeriBen.  She is responsible for helping to shape and implement the organization's vision, goals, and initiatives. In this role, she spearheads strategic planning, decision-making, and setting priorities in order to drive business growth. 

Prior to joining AmeriBen, Sarah spent 5 years at Anthem, Inc.  Most recently, she was the Director of Market Strategy and Insights supporting National Accounts. 

Sarah brings a combination of deep industry experience and a diverse set of strategy skills to the team. Prior to joining Anthem, she led primary research for Aetna’s group and commercial businesses.  She is passionate about using insights to solve business problems and has a track record of deep insights into customer behavior that inspire teams to innovative solutions.

Sarah holds a BA from Washington & Lee University (Lexington, VA) and an MA in Behavioral Psychology from the University of Connecticut (Storrs, CT), and has completed additional PhD coursework with the University of Connecticut.


Dan Brier

Staff VP Integrated Client Solutions

A change leader with over 20 years of diverse experience in operations, strategy, manufacturing, sales support, finance, and marketing. Dan joined AmeriBen in 2023, having previously served as the Staff Vice President of Implementations for National Accounts at Anthem.

Dan leads AmeriBen’s end to-end delivery of client solutions with client service, implementations, client data management, documentation, eligibility and benefit plan build teams reporting to him.

Dan leverages his enthusiasm and expertise as a Certified Lean Six Sigma Master Black Belt to lead teams to deliver client focused strategies for improved effectiveness and efficiency.


Diana Brooks

Staff Vice President of Claims

Diana joined AmeriBen in 2023 as the Staff Vice President of AmeriBen’s Claims Operations, where she has primary oversight of end-to-end claims and network operations administration.

Diana has over 30 years of experience in the health insurance industry, with a proven reputation for results oriented achievements in National Account Claim Operation delivery, quality, and performance.

Diana maintains an unfettered commitment to continuous improvement, focusing on building high-performance teams with leaders who demonstrate the empowerment and creativity critical to the client’s financial and operational success.


Chris Stoll

Director, Account Management

An experienced leader, Chris joined AmeriBen in 2023 after serving in a leadership role and as Sr. Client Executive in National Accounts at Anthem.

Chris brings exceptional leadership experience, a “real world” view to healthcare, and an unwavering commitment to his clients with a focus on quality.

Chris’ dedication to innovative and proactive strategies in healthcare enables him to be a credible and dependable resource for his clients and team.


Pam Vannoy

Director, Healthcare Management

Pam joined AmeriBen in 2012 as the Manager of AmeriBen's Medical Management where she has primary oversight of utilization management, case management, health management, maternity management, wellness, and disability administration. In 2015 Pam was promoted to the position of Director of Medical Management.

Pam has been a Registered Nurse for over 20 years with extensive clinical experience in adult and pediatric home care/infusion, pediatrics, cardiac transplant unit, PICU, and NICU, in both Idaho and California. Additionally, Pam has over twelve years of experience in leadership roles, including her most recent position as Director of Operations of a large home health agency. She is committed to ensuring the delivery of quality, compassionate patient care, while ensuring continuous improvement of the company's efficiency and fiscal success.

Pam received her nursing degree at the University of Nevada Las Vegas and is licensed in the state of Idaho. She has served as the past president of the Idaho Chapter of the Alexander Graham Bell Association for the Deaf and Hard of Hearing, and remains an advocate for children and adults with hearing loss.


Marty Teater

Director, Customer Experience

Marty joined AmeriBen in 2019 as the Director of Customer Care and is directly responsible for the Customer Care Center team and all communications with members and providers via voice, chat, and email. Marty is also responsible for developing the Customer Care leadership team by preparing them for future advancement opportunities. The Customer Care department has doubled in size in four years and is 350 employees strong.

Before working at AmeriBen, Marty worked for a prominent telecommunications provider, serving in several roles, including Team Manager and Site Business Manager for multiple locations in Idaho, Utah, and Washington. Marty also worked with the State of Idaho to implement Enhanced 911 systems and other network services for state agencies.

Marty began his undergraduate education at San Francisco State University and completed his B.A. at Boise State University.

Marty and his wife Shannon have three children and are adjusting to the empty nesting phase of their lives. Marty’s idea of fun is to relax on vacations with his family and look forward to fun getaways.