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Admitted to Practice

  • California, 1977
  • U.S. Court of Appeals 9th Circuit
  • U.S. Court of Appeals 4th Circuit
  • U.S. District Court Central District of California

Kathleen H. Drummy


Kathy Drummy has extensive experience working with health care entities industrywide, from hospitals and skilled nursing facilities, to hospices, home health agencies, and mental health care providers. She has handled matters involving various federal and California agencies, including the Department of Health and Human Services and the California Departments of Health, Mental Health, Social Services, and Education. Kathy offers long-standing experience in the regulatory, transactional and litigation aspects of health care law, from Medicare and Medicaid matters to bankruptcy proceedings.

Representative Experience

Medicare and Medicaid administrative appeals

Representing major hospital systems in numerous administrative appeals with successful resolutions. (Ongoing)

MIA litigation

Advising Stanislaus county in litigation challenging its Medically Indigent Adult Program. (Ongoing)

False Claims Act defense for medical laboratory

Won summary judgement and dismissal of all claims with prejudice in False Claims Act litigation involving alleged unnecessary laboratory testing for kidney transplants. (2017)

Health care litigation for consortium of 18 mental health care providers

Represented a consortium of 18 mental health care providers in a dispute with the County of Los Angeles and the state of California involving the implementation of a faulty Medi-Cal billing system. (2009)

Acquisition of regional medical center for Providence Health System

Represented Providence Health System, Southern California in its acquisition of Tarzana Regional Medical Center, a general acute care hospital located in Tarzana, Calif., from affiliates of Tenet Healthcare. This transaction was unusual in that the real estate was acquired from a ground lessor (which ground leased the hospital property to Tenet) and the hospital business from Tenet. (2008)

Enki Health & Research Systems, Inc. v. County of Los Angeles, State of California, California Department of Mental Health, California Department of Health Services, and DOES 1-100

Represented plaintiff in litigation in respect to Short-Doyle Medi-Cal claims processing. BC 341409 (2005)

Additional Qualifications

  • Partner, Musick, Peeler & Garrett LLP
  • Partner, McDermott, Will & Emery
  • Partner, Memel, Jacobs, Pierno, Gersh & Ellsworth

Professional & Community Activities

  • American Health Lawyers Association

Professional Recognition

  • Named one of "America’s Leading Lawyers for Business" in Healthcare (California) by Chambers USA, 2007-2017
  • Named one of the "Best Lawyers in America" in Health Care Law by Best Lawyers, 2008-present 
  • Selected to "Southern California Super Lawyers," Thomson Reuters, 2005-2006, 2008-2017
Recognized by Chambers USA – Chambers and Partners