Chelsea Edith Rae Cosillos
McDermott Will & Schulte LLP
- Address of record
- One Vanderbilt Avenue, New York, NY 10017-5404, 212-547-5356
- ccosillos@mwe.com
- Phone
- (212) 547-5356
- Fax
- Fax 212-547-5444
Contact details as filed with the court in the cases below.
Case history
Publicly tracked matters where this attorney is listed as counsel.
Zelis Repricing Antitrust Class Action
A proposed class action against Zelis, apparently concerning antitrust claims over repricing of healthcare claims or services. The docket indicates the court recently ruled on a motion to compel, but no further details are provided in the available text. These are allegations in a newly filed case and not proven facts.
- Filed
- March 28, 2025
- Represents
- The Cigna Group
Multiplan Health Insurance Class Action
A proposed class action against Multiplan, apparently concerning practices related to health insurance provider services. The caption and nature of suit provide limited detail, but the case is docketed as a personal injury health care/pharmaceutical product liability action. These are allegations in a newly filed case, not proven facts.
- Filed
- August 1, 2024
- Represents
- CIGNA Group
“Recovery” and “exposure” refer to total disclosed settlement funds in associated cases, not money personally won or lost by an attorney. Settlements generally resolve disputed allegations without a finding that either side won. Data comes from public court dockets and may be incomplete.