M.d.: A Professional Corporation Leonard A. Simpson

M.d.: A Professional Corporation Leonard A. Simpson is a for-profit limited liability company based in San Rafael, California, specializing in providing regional medical consultant services to federal agencies. Registered in SAM.gov since November 24, 2003, the company focuses on delivering independent medical case reviews and consultations, primarily for government disability programs. The organization is structured as a corporate entity that is not tax-exempt and has maintained an active federal government registration that is currently set to expire on March 21, 2026.

The company exclusively provides medical consulting services to the Social Security Administration (SSA), specifically supporting the agency's disability program adjudication processes in Region 9, which covers the San Francisco area. Through its federal contract awards, M.d.: A Professional Corporation Leonard A. Simpson conducts independent reviews of disability claim case files, offering expert medical assessments to assist the SSA in making informed decisions about disability claims. These services are procured through Blanket Purchase Agreement (BPA) call orders, with individual contract values ranging from $1,105 to $157,239.59. The company has consistently been awarded contracts on a full and open competition basis, with no specific set-aside designations, indicating its competitive positioning in providing medical consulting services.

M.d.: A Professional Corporation Leonard A. Simpson holds a single-award Blanket Purchase Agreement with the Social Security Administration, valued at $2,667,520.00, which runs from April 30, 2021, through December 31, 2025. This comprehensive IDV allows the SSA to issue multiple call orders for medical consultant services as needed. Under this vehicle, the company has received numerous call orders that require conducting independent case reviews, with some orders specifying a set number of reviews (ranging from 600 to 975 cases) and others including additional non-case-related medical advisory services. The BPA covers the Regional Medical Consultants and Advisors program, enabling the company to provide critical medical expertise in supporting the SSA's disability claims evaluation process across the San Francisco region.