John C. West

Partner at Lewis Roca Rothgerber Christie LLP

John West is a partner in Lewis Roca’s Litigation Practice Group. John is a top resource for industry leading health care entities who are dominant players in the national health care arena. His representation includes managed care organizations, health plans, provider networks, group health insurers, self-funded and insured employee benefit plans, and payor entities in a wide spectrum of complex health law related matters. He also represents Fortune 500 companies and other business clients in commercial contract disputes, class action, and business litigation matters.

In his more than 40 years of experience, John has counseled clients and litigated matters involving network contracting disputes, provider reimbursement and overpayment recovery, ERISA benefits litigation, Medicare benefits, and related issues. John also has substantial experience representing Medicare Advantage Organizations in regulatory and litigation matters, including provider reimbursement issues, network compliance, termination, member steering, overpayments, and fraud recovery.

A seasoned litigator, John has handled numerous hearings in state and federal courts and numerous arbitrations, administrative hearings, and appeals before the Medicare Appeals Council. John has successfully defended health plans in jury trials in first party breach of bad faith actions.

John is counsel of record in numerous reported decisions that have established important precedent including Spinedex Physical Therapy v. United Healthcare of Arizona, 770 F.3d 1282 (9th Cir. 2014) (ERISA Article III standing, assignment of breach of fiduciary claims, enforcement of anti-assignment provision); United Behavioral Health v. Maricopa Integrated Health System, 377 P.3d 315 (Ariz. 2016) (non-arbitrability of patients’ Medicare coverage claims by provider); Parra v. PacifiCare of Arizona, Inc., 715 F.3d 1146 (9th Cir. 2013) (MA Plan standing under Medicare Secondary Payer Act); and Arizona Department of Administration v. Cox, 213 P.2d 707 (Ariz. App. 2009) (establishing State’s third party recovery rights).

John is ranked by Chambers USA in health care and has been included in Best Lawyers of America in the categories of health care law, health care litigation, and commercial litigation since 2005.

John is a strategic thinker and a highly competitive lawyer. He brings a diverse range of industry experience to his practice and strives to secure wins and provides the best results possible for his clients.

John is an avid college football fan, long-time follower of Formula One racing, loves music, travel, and is a devoted family man.


  • Partner

    Current role