Blanket Purchase Agreement 28321321AC0440023

The Social Security Administration (SSA) awarded a single-award Blanket Purchase Agreement (BPA No. 28321321AC0440023) to Vanderplate Calvin, doing business as Calvin Vanderplate PHD Abpp, on March 25, 2021, with a total ceiling value of $2,961,288.00 and an ultimate completion date of December 31, 2025. The contract was solicited under SSA-ATL-20-R-00023 to procure Regional Medical Consultant services in Psychiatric Medicine and Psychology for the SSA's Center of Disability Program Support in Atlanta, Georgia. Vanderplate Calvin, a sole proprietorship specializing in medical consulting services and registered in the System for Award Management (SAM) since May 2, 2005, provides independent medical case reviews and evaluations to support the agency's disability determination process. The services are performed on a firm fixed-price basis with place of performance in Atlanta, Georgia (ZIP codes 30303 and 30313).

Under this BPA vehicle, the SSA has issued multiple call orders to Vanderplate Calvin totaling over $1,291,451.36 across six documented task orders, with award dates ranging from September 2021 through June 2025. The call orders specify independent case reviews and medical consultant services, with ceiling values ranging from $57,264.00 to $272,220.00 and periods of performance extending through February 9, 2026. Five of the six call orders were awarded without set-aside designation; however, one call order valued at $184,560.00 was awarded with a Total Small Business set-aside and an ultimate completion date of December 31, 2025. The contracted services enable the SSA to acquire specialized psychiatric and psychological medical expertise on an as-needed basis to review complex medical documentation and conduct independent case assessments supporting disability claim determinations in the Atlanta regional office.