Case review
Independent assessment of clinical records, coverage decisions, and managed care context.
Managed care expert witness & clinical executive consulting
Managed Care Expertise. Physician Judgment. Executive Experience.
Managed care physician expertise for counsel navigating complex healthcare matters—nationwide. Dr. Mason accepts engagements from both plaintiff and defense counsel. Case list and prior testimony history available upon request.
Mary V. Mason, MD, MBA, FACPFormer National Health Plan CMO27 Years in Managed Care
27 Years of Healthcare Leadership
Former National Health Plan CMO
Board-Certified Internist
C-Suite Leadership
Founder-led. Expert-supported.
Dr. Mary Mason serves as the firm’s principal physician expert and advisor.
Dr. Mason leads each engagement. When a matter requires another specialty—such as surgery, behavioral health, or pharmacy—Mason MD Advisors can assemble the appropriate credentialed clinical expertise.
Expert witness services
Independent clinical perspective for complex healthcare matters.
Case review, medical opinions, deposition support, and testimony informed by managed care and clinical executive experience.
Medical opinions
Clear, evidence-based opinions for counsel navigating complex healthcare matters.
Deposition & testimony
Prepared support for deposition, trial, and other expert witness needs.
Medicaid
Marketplace
Medicare Advantage
The experience behind Mason MD Advisors.
Mary V. Mason, MD, MBA, FACP is a board-certified internist and physician executive with 27 years of healthcare leadership experience, including nine years as Corporate Chief Medical Officer of Centene and service as Enterprise Chief Medical Officer of CareSource.
Meet Dr. Mason
Confidential inquiry
Bring clarity to the record.
Share the matter at a high level. I will respond promptly to discuss fit, scope, and next steps.