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Madison M. Castle

Associate

[email protected]

+1.202.434.7309

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Madison’s practice focuses on health care regulatory, transactional, and compliance matters. She represents clients across the health care sector, including providers, health insurance plans, PBMs, pharmacies, and health care technology firms. She has experience advising clients on Medicare and Medicaid coverage requirements, as well as state regulatory compliance regarding privacy and telehealth. She also regularly handles due diligence for health care transactions, conducts licensure analyses, and  drafts contracts for PBMs and other health care sector clients. 

In attending George Washington University School of Law, Madison earned a JD with a concentration in Health Law, served as a student attorney at GW Law’s Health Rights Law Clinic and an Administrative Law teaching assistant. She also interned with the National Health Law Program (NHeLP), where she researched state Medicaid program requirements, the Affordable Care Act and related case law. During her time at NHeLP she also prepared a legal memorandum analyzing nonprofit hospitals' charity care spending. 

Madison enjoys sailing, reading fiction, and spending time with her dog Betty in her free time. 

viewpoints

Mintz IRA Update — Second Edition: Q1 2024

February 21, 2024 | Blog | By Rachel A. Alexander, Theresa Carnegie, Tara E. Dwyer, Madison Castle, Mitchell Clough, Xavier Hardy, Stephnie John, Bridgette Keller, Abdie Santiago, Hassan Shaikh

In this edition of the Mintz IRA Update, we cover the status of the negotiations underway between CMS and manufacturers pursuant to the Medicare Drug Price Negotiation Program and current legal challenges to the program, other drug pricing–related IRA initiatives, the IRA’s small biotech exemption, implications associated with removing the average manufacturer price cap on Medicaid rebates, and the Biden administration’s proposed draft guidance on patent “march-in” rights.

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OCR Releases Long Awaited Final Rule Regarding the Conscience Protections for Religious and Moral Objections in Health Care

January 29, 2024 | Blog | By Madison Castle, Kathryn Edgerton, Maya Lytje, Matthew Tikhonovsky, Rachel Wang

On January 11, 2024, the Office of Civil Rights (OCR) issued its highly anticipated Final Rule regarding conscience protections. The Final Rule clarifies the religious beliefs and moral convictions protections practitioners and entities may assert in their health care practices. The Final Rule, entitled Safeguarding the Rights of Conscience as Protected by Federal Statutes, becomes effective March 11, 2024. 

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Health Care Privacy and Security in 2024: Six Critical Topics to Watch

January 25, 2024 | Blog | By Dianne Bourque, Madison Castle, Lara Compton, Ellen Janos, Pat Ouellette, Cassandra Paolillo

As we reflect on the flurry of activity in the health care data privacy and security space in 2023 and look ahead to what will continue to be a busy 2024, we are seeing the early stages of federal agency movement to align the regulatory environment with modern health care delivery, cutting-edge technologies, and innovative data-sharing techniques. Some of this work has been done in the form of federal agency guidance in which health care organizations will be looking for additional updates and there are also a handful of pending U.S. Department of Health and Human Services (HHS) Office for Civil Rights (OCR) proposals that call for substantial changes to the HIPAA Privacy Rule.

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Looking Back and Moving Forward: MoCRA Regulatory Developments Ring in the New Year

January 2, 2024 | Blog | By Madison Castle, Joanne Hawana, Jean D. Mancheno

A year has passed since Congress enacted the Modernization of Cosmetics Regulation Act (MoCRA) and enhanced the Food and Drug Administration’s (FDA) authority to regulate the cosmetics industry. Although MoCRA implementation efforts steadily increased throughout the calendar year, as the December 29, 2023 compliance date for most MoCRA provisions approached, FDA’s release of information and deployment of new systems for the industry came to a climax. Several recent MoCRA-related developments will influence how cosmetic industry stakeholders, consumers, and even the FDA will approach and navigate the law’s requirements over the next year. In this blog post, we will discuss each of these developments and forecast the law’s future as we move into 2024.

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On October 30, 2023, the Biden Administration released and signed an Executive Order on the Safe, Secure, and Trustworthy Development and Use of Artificial Intelligence (Executive Order) that articulates White House priorities and policies related to the use and development of artificial intelligence (AI) across different sectors, including health care.

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podcasts

Health Law Diagnosed – New Year's Gratitude

February 3, 2025 | Podcast | By Bridgette Keller, Alison H. Peters, Samantha Kingsbury, Theresa Carnegie, Joanne Hawana, Abdie Santiago, Stephnie John, Pamela Polevoy, Karen Lovitch, Jean D. Mancheno, Deborah Daccord, Rachel A. Alexander, Jane Haviland, David Gilboa, Kathryn Edgerton, Hassan Shaikh, Madison Castle, Laurence Freedman, Priyanka Amirneni, Samantha Hawkins, Tara E. Dwyer, Rachel Yount, Sophia Temis, Xavier Hardy

Host Of Counsel Bridgette Keller invites the Mintz Health Law team to reflect on what they’re grateful for as they prepare for the year ahead. Hear from a dynamic group of Members, Of Counsel, and Associates as they share their perspectives on what’s coming up over the horizon.

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As the Mintz Health Law team welcomes the beginning of 2024, many of its members take a moment to reflect on the exciting growth of the Health Law Practice, opportunities to partner with clients on complex legal issues, and the celebration of numerous milestones.

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Publications

  • Co-author, “California Health Programs Must Take Steps to Implement Non-Binary Gender Markers,” National Health Law Program (July 2022)
  • Co-author: "HIPAA happenings: 2023 year in review." Compliance Today (March 2024)
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