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  • John M. LeBlanc
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John M. LeBlanc

LeBlanc_John_New-2020-Bio-Template-730-x-730

Partner

Health Care Litigation
Contact
  • jleblanc@manatt.com
  • Phone: 310.312.4228
  • Download vCard
  • Los Angeles
Bar Admissions
  • California

Education
  • Southwestern University School of Law, J.D.,  cum laude, 1991
    Lead Articles Editor, Law Review

    Biola University, M.Div., with honors, 1987

    California State University, Long Beach, B.A., 1983

Services
  • Health Care Litigation
  • Litigation
Industries
  • Manatt Health

Show Full Bio

  • Profile
  • Experience
  • Honors & Awards
  • Memberships
  • Publications
Profile

Profile

John LeBlanc is a partner in the firm’s national health care litigation practice in the Los Angeles office. With more than 30 years of experience, he focuses primarily on litigation and regulatory matters affecting the health insurance and managed care industries. John represents many of the nation’s leading insurers and health plans, including the largest not-for-profit health care service plan in California. He also represents some of the health insurance industry’s top trade associations.

John has extensive experience. He has handled hundreds of state and federal cases at both the trial and appellate levels. His range of practice runs deep, covering areas such as claims handling disputes, provider reimbursement, fraud, bad faith, breach of fiduciary duty, unfair competition, wrongful death, ERISA, false claims, RICO and class actions.

John has served as amicus curiae counsel to the Association of California Life & Health Insurance Companies, the California Association of Health Plans, the California Chamber of Commerce, America’s Health Insurance Plans, and the California Association of Physician Groups on significant health care law issues. Some of those matters include:

  • Pacific Bay Recovery, Inc. v. California Physicians’ Services, Inc., 12 Cal. App. 5th 200 (2017)
  • Vishva Dev, MD v. Blue Shield of Cal. Life & Health Ins. Co., 2 Cal. App. 5th 1218 (2016)
  • Centinela Freeman Emergency Medical Assocs. v. Health Net of California, 1 Cal. 5th 994 (2016)
  • Harlick v. Blue Shield of California, 686 F.3d 699 (9th Cir. 2012)

In the past, John has been the lead co-author of the health insurance and managed care section of the popular and respected Insurance Litigation Practice Guide, published by The Rutter Group. John speaks at industry conferences and regularly publishes articles on various topics affecting the legal health care industry.

Experience

Experience

Trial counsel for a disability insurer sued for breach of contract and bad faith for refusal to pay benefits due to the insured’s fraudulent claim. The jury returned a complete defense verdict in favor of the insurer.

Co-lead trial counsel for a California health care service plan sued for wrongful rescission. The Court issued a directed verdict in favor of John’s client.

Lead trial counsel for a California health care service plan in an action brought by a physician for wrongful termination from its network. The case settled quickly after the court granted all motions in limine argued by John.

Represented the leading health insurance industry trade association in California in its challenge to guidance proposed by the California Department of Insurance.

Represented a California health insurer in obtaining a summary judgment in which the court held that the insurer properly rescinded the policy based on material misrepresentations and omissions on the health insurance application.

Lead trial counsel for a California health insurer that obtained a summary judgment in which the court held that the insurer properly denied coverage to a family member based on the insured’s failure to properly add the family member as an insured on the policy.

Lead trial counsel for an Arizona health plan that obtained summary judgment against an out-of-network pharmaceutical provider that claimed the plan owed it 50 times the amount allowed under the plan’s evidence of coverage.

Lead trial counsel for a California health insurer that obtained summary judgment against an out-of-network surgical center that claimed the insurer authorized and promised to pay the provider exorbitant billed charges.

Lead trial counsel for a California health plan that defeated class certification against a plaintiff alleging that the plan’s marketing materials and communications to members were deceptive and misleading.

Honors & Awards

Honors & Awards

The Best Lawyers in America, 2021 and 2022

Memberships

Memberships

Admitted to practice in California, as well as the U.S. District Court for the Northern, Eastern, Central and Southern Districts of California and the United States Court of Appeals for the Ninth Circuit.

American Association of Health Lawyers.

Publications

Publications

Co-author, “Litigating the Scope of ERISA’s ‘Catchall’ Civil Enforcement Provision,” DRI ERISA Report, April 17, 2020.

Co-author, “No More Surprise Medical Bills: California Assembly Bill 72,” Manatt Health Update, June 20, 2018.

Co-author, “Empowering States to Regulate Their Insurance Markets,” Manatt Health Update, May 22, 2018.

Co-author, “Mental Health and Minors: Proceed With Caution!” Manatt Health Update, April 23, 2018.

Co-author, “The Risk Corridors Program: Should the Government Pay?” Manatt Health Update, April 23, 2018.

Co-author, “Applying Escobar’s Heightened Materiality Standard: Limiting FCA Liability,” Manatt Health Update, February 21, 2018.

Co-author, “CMS Final Rule Reduces Reimbursement Rates for 340B-Eligible Hospitals,” Manatt Health Update, December 18, 2017.

Co-author, “The Legality of Cost-Sharing Reduction Payments Under the ACA,” Manatt Health Update, November 21, 2017.

Co-author, “Justice Department Abandons Medicare Advantage FCA Suit Against UnitedHealth,” Manatt Health Update, October 24, 2017.

Co-author, “Using Statistical Sampling in False Claims Act Cases,” Manatt Health Update, August 23, 2017.

Co-author, “ERISA Procedural Rights Violations Can Still State Federal Claims,” Manatt Health Update, May 24, 2017.

Co-author, “CMS Issues Rules to Help Stabilize Health Insurance Market,” Manatt Health Update, April 23, 2017.

Co-author, “Third-Party Payment of Premiums: Controversy and HHS Guidance,” Manatt Health Update, March 23, 2017.

Co-author, “Escobar's Impact: Recent Application of "Materiality" in Ninth Circuit,” Manatt Health Update, October 20, 2016.

Co-author, “How will AB 72 and Similar Laws Impact Provider/Payer Disputes?” Manatt Health Update, October 20, 2016.

Co-author, “Difficult Choices for Healthcare Providers as California Legalizes Assisted Suicide,” Manatt Health Update, August 24, 2016.

Co-author, “California Supreme Court Clarifies Constitutional Limits on Punitive Damages,” Manatt Health Update, July 27, 2016.

Co-author, “Scalia's Death Has Limited Impact on Major Healthcare Cases,” Manatt Health Update, July 27, 2016.

Co-author, “Real-Time Data Analytics in Government Investigations and Reducing Exposure,” Manatt Health Update, June 23, 2016.

John in the News

  • 08.19.21

    77 Manatt Attorneys Named in Best Lawyers 2022 Guide

    Seventy-seven Manatt attorneys have been named to the 2022 edition of Best Lawyers in America, which recognizes the nation’s leading lawyers ...

  • 08.20.20

    Best Lawyers in America Names 76 Manatt Attorneys to 2021 List

    Seventy-six Manatt attorneys have been named to the 2021 edition of the Best Lawyers in America report, which recognizes the nation’s leading...

  • 07.07.14

    Manatt Adds Top California Healthcare Trial Lawyer to National Team

    Manatt announced today that John M. LeBlanc has joined the firm's litigation practice as a partner in the Los Angeles office.



John's Articles

  • 04.23.18

    The Risk Corridors Program: Should the Government Pay?

    The Patient Protection and Affordable Care Act (ACA) established health insurance exchanges where insurers can offer qualified health plans (QHPs) ...



  • 02.21.18

    Applying Escobar’s Heightened Materiality Standard: Limiting FCA ...

    Editor’s Note: Since the Supreme Court decided Universal Health Services, Inc. v. United States ex rel. Escobar (Escobar), 136 S.Ct. 1989 ...



  • 06.23.16

    Real-Time Data Analytics in Government Investigations

    It is not every day that the words “innovative” and “nimble” are used when referring to an agency of the federal government ...



John's Newsletters

  • 03.30.22

    When California Minors Need Mental Health Treatment, Who Can Consent, ...

    Increasing mental health care needs for minors present a range of legal issues for children, parents, health care providers and health care payors.

  • 02.02.22

    Spotlight on Private Equity for FCA Enforcement in 2022

    Despite the unprecedented challenges of the COVID-19 pandemic, mergers and acquisitions in the health care industry have continued apace and show no ...

  • 09.30.21

    The Rise of Telehealth for Mental Health Care: What’s Covered?

    Commercials, news articles and targeted social media advertisements abound offering virtual mental health services from providers like Talkspace and ...

  • 09.14.21

    Mental Health Parity Update: DOL and NY AG Actions Highlight Ongoing ...

    On August 11, 2021, United Healthcare and its affiliates were served with separate enforcement lawsuits by the Department of Labor and the New York ...

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