Vanessa A. Perumal
Overview
Vanessa’s practice covers a broad spectrum of managed care litigation, including complex provider-payor reimbursement disputes — such as those arising under the No Surprises Act — as well as insurance recovery claims and behavioral health matters. Her experience spans all facets of the litigation process, from drafting notices of removal, dispositive motions, and written discovery to conducting settlement-related analyses. She has served on numerous arbitration teams. Beyond her litigation work, Vanessa is deeply passionate about the intersection of law and technology, particularly in the field of artificial intelligence.
In addition to her involvement in managed care matters, Vanessa actively engages in litigating general commercial and business disputes, with a particular focus on resolving breach of contract issues. Her unwavering dedication to providing exceptional legal guidance extends across a wide spectrum of commercial litigation, enabling her to offer comprehensive support to valued clients.
Career & Education
- University of Notre Dame Law School, J.D., cum laude, A. Harold Weber Award for Excellence in Legal Writing; Dean’s Honor Roll, 2022
- University of Chicago, M.A., international relations, 2015
- University of Miami, B.A., political science, English literature, international studies, 2014
- Illinois
- U.S. District Court for the Northern District of Illinois
Vanessa's Insights
Client Alert | 6 min read | 05.08.26
WISeR Under Scrutiny: AI Claims Review Debate Reaches CMS
The appropriate use of AI tools during the claims review process continues to be a major topic of debate within the health care industry — but in recent weeks, emerging litigation has inspired critics to turn their attention specifically to the technology’s application within federal health programs. On March 25, 2026, the Electronic Frontier Foundation (EFF) filed a lawsuit against the Centers for Medicare and Medicaid Services (CMS), citing the agency’s alleged failure to answer a Freedom of Information Act (FOIA) request for records the EFF believes will provide crucial insight into the design, safeguards, vendor relationships, and real-world performance of the Medicare Wasteful and Inappropriate Service Reduction (WISeR) Model, CMS’s AI-driven prior authorization pilot program for certain Medicare services.
Client Alert | 4 min read | 03.25.26
NAIC Intensifies AI Regulatory Focus: What Health Insurance Payors Need to Know
Client Alert | 3 min read | 01.07.26
CMMC for AI? Defense Policy Law Imposes AI Security Framework and Requirements on Contractors
Insights
CMMC for AI? Defense Policy Law Imposes AI Security Framework and Requirements on Contractors
|01.08.26
Crowell & Moring’s Government Contracts Legal Forum
The FY 2026 National Defense Authorization Act
|12.29.25
Crowell & Moring’s Government Contracts Legal Forum
Vanessa's Insights
Client Alert | 6 min read | 05.08.26
WISeR Under Scrutiny: AI Claims Review Debate Reaches CMS
The appropriate use of AI tools during the claims review process continues to be a major topic of debate within the health care industry — but in recent weeks, emerging litigation has inspired critics to turn their attention specifically to the technology’s application within federal health programs. On March 25, 2026, the Electronic Frontier Foundation (EFF) filed a lawsuit against the Centers for Medicare and Medicaid Services (CMS), citing the agency’s alleged failure to answer a Freedom of Information Act (FOIA) request for records the EFF believes will provide crucial insight into the design, safeguards, vendor relationships, and real-world performance of the Medicare Wasteful and Inappropriate Service Reduction (WISeR) Model, CMS’s AI-driven prior authorization pilot program for certain Medicare services.
Client Alert | 4 min read | 03.25.26
NAIC Intensifies AI Regulatory Focus: What Health Insurance Payors Need to Know
Client Alert | 3 min read | 01.07.26
CMMC for AI? Defense Policy Law Imposes AI Security Framework and Requirements on Contractors
