Shanker Gupta MD

Shanker Gupta MD, doing business as Aff Harbor Hospital Center Inc., is a sole proprietor minority-owned and Asian-Indian American-owned medical consultant operating from Linthicum Heights, Maryland, who delivers independent medical case reviews and disability claim file assessments to the federal government exclusively as a prime contractor under blanket purchase agreements with the Social Security Administration. The vendor competes without set-aside designation on full-and-open BPA calls.

The vendor's entire federal footprint centers on a single customer. The Social Security Administration accounts for 42 awards across 79 total prime contract calls, representing $9.1 million in combined potential value and 96% of the vendor's combined potential-value concentration. Work is performed in Maryland and involves medical consultant services under the Headquarters Medical Consultants program — specifically independent reviews of disability claim case files to support the agency's Office of Disability Determinations and Office of Medical Assistance. Recent representative work includes a $117,660 BPA call awarded June 1, 2025, covering 1,200 independent case reviews and 10 consulting hours (completion May 31, 2026); an $80,640 call from June 1, 2024, for 1,100 case reviews through May 31, 2025; and a $2,450 call placed June 1, 2026, through June 30, 2026.

The vendor holds seats on five parent BPA and IDC vehicles under SSA. The Blanket Purchase Agreement 28321321AC0040025 carries six task orders with $452 thousand in combined potential value; Blanket Purchase Agreement SS001140097 carries six task orders valued at $503 thousand; Indefinite Delivery Contract 06000360115 carries 23 task orders at $186 thousand; and Indefinite Delivery Contract SS000860098 carries 17 task orders at $328 thousand. Activity is flat — one award per year from 2022 through 2026 — with a combined potential value of $9.5 million and $2.1 million in combined obligated dollars (22% of potential value). The vendor operates at sub-million individual award scales, with historical individual task orders ranging from $13,800 to $106,860. All awards fall under NAICS 54121 (Offices of Physicians) or 54122 (Offices of Physicians, Mental Health Specialists), with PSC categories split between Medical—Other, Medical—Medical/Psychiatric Consultation, and Medical—Managed Healthcare.