Executive Team

meet our team

Entrepreneurial spirit, with a foundation of extensive healthcare experience, background, and education characterizes the executive management team of Millennium.


CEO and President, Physician Billing and Financial Services

Mrs. Anderson is a graduate of the University of Illinois of Chicago, Illinois, with a B.S. Degree in Accounting, and has more than ten years of healthcare management experience in the Chicago area focused in accounting, managed care contracting and evaluation, and physician billing, coding and collection. She has directed physician billing, collection and accounts receivable management services for more than sixty physician medical fee-for-service accounts and hospital based physicians across the nation.

In addition to operational responsibility for the Physician Billing Services, Mrs. Anderson also provides financial services such as financial needs and operational analysis and billing system analysis, with an overall commitment to excellence in revenue management for each of Millennium’s clients.


Vice President of Physician Management Services and Corporate Counsel

Karen leads the practice management side of Millennium’s business and also provides in-house legal counsel.  Karen has been with Millennium for ten years and brought with her more than ten years of experience from private law practice.  Karen received both a Bachelor of Business Administration degree with an Accountancy Major and Juris Doctorate degree from the University of Notre Dame.  Karen’s business and legal background make her uniquely capable of handling the challenges faced by today’s healthcare professionals when it comes to managing the business side of their practice.  She has extensive knowledge of and routinely counsels clients on matters such as operational/financial assessment of their practice, regulatory compliance, managed care contracting strategies, insurance coverage and employment matters.  Karen has professional affiliation with the Health Care Billing and Management Association, Healthcare Compliance Association and Chicago Bar Association.

Andrea Vallone

Vice President of Operations

Andrea Vallone has been with Millennium for over 15 years and started her career here as a medical coder. In 2014, she moved into the role of Vice President of Operations, after several years serving as the Coding Director. Andrea is responsible for ensuring the operational excellence of our revenue cycle management team, developing and maintaining strong client relationships. She is an active member and participant in both the Healthcare Business Management Association (HBMA) and the American Health Information Management Association (AHIMA) and hold the credential of Registered Health Information Technician (RHIT) from AHIMA. What Andrea loves most about her job is the long-lasting relationships she has made with both clients and colleagues.

Rolando Zavala

Director of Information Systems & Services

Rolando Zavala currently serves as the Director of Information Services for Millennium Medical Management Resources, Inc.  Rolando has been with Millennium since 2005. He has served as Director since 2014. Oversees IT infrastructure, architecture, standards and information security.