Lauren R. Nunez
Overview
Lauren R. Nunez is a partner in Crowell & Moring’s Washington, D.C. office, where she is a member of the firm’s Health Care Group. Her practice covers a wide range of litigation and counseling engagements, including representing leading managed care organizations, health benefit plans, health care providers, government contractors, and various other corporate commercial litigants. Lauren litigates complex matters in federal, state, and arbitral forums, with a particular focus on commercial health care disputes, class actions, civil antitrust, and False Claims Act suits. Lauren’s antitrust experience includes mergers and acquisitions and civil antitrust cases. She has represented clients in investigations before the Department of Justice, the Federal Trade Commission, the Department of Labor, and various state enforcement agencies.
Career & Education
- University of Notre Dame Law School, J.D., summa cum laude, 2013
- Providence College, B.A., summa cum laude, 2010
- District of Columbia
- Massachusetts
Professional Activities and Memberships
- American Health Lawyers Association
Lauren's Insights
Firm News | 5 min read | 08.20.26
Washington – August 20, 2026: The Best Lawyers in America® has recognized 57 of the firm's attorneys in its 2027 edition, a testament to the firm's deep bench of legal talent across practices and offices nationwide. In addition, 29 attorneys have been named to the Best Lawyers: Ones to Watch® list, recognizing outstanding attorneys earlier in their careers.
Client Alert | 3 min read | 05.16.25
Trump Administration Pauses Enforcement of the MHPAEA Final Rule
Client Alert | 4 min read | 01.23.25
Tri-Agencies Release Third Mental Health Parity Report to Congress
Client Alert | 10 min read | 09.13.24
Tri-Agencies Finalize NQTL Comparative Analysis Standards in Final Rule
Representative Matters
- Trying case behalf of leading health services company to defense verdict in $150 million action involving fraud and breach of contract claims related to the design, build, and operation of a health plan.
- Defending managed behavioral health care organization in response to a joint state and federal investigation of compliance with the Mental Health Parity and Addiction Equity Act for both fully-insured and self-funded plans.
- Representing a health system in an FTC investigation.
- Representing multiple health plans in complex commercial disputes with pharmacy benefit managers and retail pharmacies regarding pharmaceutical reimbursement.
- Defending leading health plan in multiple class actions in federal court concerning compliance with the Mental Health Parity and Addiction Equity Act.
- Defending a large health insurer in multiple arbitration proceedings across the nation involving a Medicare Advantage dispute.
- Representing a Medicaid managed care organization in complex litigation with a state concerning actuarial soundness of capitation rates, government contracting, and related performance and transition of care issues.
- Defending a leading health plan in arbitration against a major hospital system in Florida regarding payment of behavioral health claims.
Lauren's Insights
Firm News | 5 min read | 08.20.26
Washington – August 20, 2026: The Best Lawyers in America® has recognized 57 of the firm's attorneys in its 2027 edition, a testament to the firm's deep bench of legal talent across practices and offices nationwide. In addition, 29 attorneys have been named to the Best Lawyers: Ones to Watch® list, recognizing outstanding attorneys earlier in their careers.
Client Alert | 3 min read | 05.16.25
Trump Administration Pauses Enforcement of the MHPAEA Final Rule
Client Alert | 4 min read | 01.23.25
Tri-Agencies Release Third Mental Health Parity Report to Congress
Client Alert | 10 min read | 09.13.24
Tri-Agencies Finalize NQTL Comparative Analysis Standards in Final Rule
Recognition
- Best Lawyers: Ones to Watch: Health Care Law, 2024-2027
Lauren's Insights
Firm News | 5 min read | 08.20.26
Washington – August 20, 2026: The Best Lawyers in America® has recognized 57 of the firm's attorneys in its 2027 edition, a testament to the firm's deep bench of legal talent across practices and offices nationwide. In addition, 29 attorneys have been named to the Best Lawyers: Ones to Watch® list, recognizing outstanding attorneys earlier in their careers.
Client Alert | 3 min read | 05.16.25
Trump Administration Pauses Enforcement of the MHPAEA Final Rule
Client Alert | 4 min read | 01.23.25
Tri-Agencies Release Third Mental Health Parity Report to Congress
Client Alert | 10 min read | 09.13.24
Tri-Agencies Finalize NQTL Comparative Analysis Standards in Final Rule
Insights
Increased State Innovation Aimed at Stabilizing ACA Marketplaces
|02.18.20
Crowell & Moring's Health Law Blog
DC Circuit Breathes New Life into AHA's Suit over Medicare Appeals Backlog
|02.24.16
Crowell & Moring's Health Law Blog
Lauren's Insights
Firm News | 5 min read | 08.20.26
Washington – August 20, 2026: The Best Lawyers in America® has recognized 57 of the firm's attorneys in its 2027 edition, a testament to the firm's deep bench of legal talent across practices and offices nationwide. In addition, 29 attorneys have been named to the Best Lawyers: Ones to Watch® list, recognizing outstanding attorneys earlier in their careers.
Client Alert | 3 min read | 05.16.25
Trump Administration Pauses Enforcement of the MHPAEA Final Rule
Client Alert | 4 min read | 01.23.25
Tri-Agencies Release Third Mental Health Parity Report to Congress
Client Alert | 10 min read | 09.13.24
Tri-Agencies Finalize NQTL Comparative Analysis Standards in Final Rule




