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Madison M. Castle

Associate

[email protected]

+1.202.434.7309

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Madison focuses her practice on health care regulatory, transactional, privacy, and compliance matters. She represents clients across the health care sector, including providers, physician organizations, PBMs, pharmacies, and health care systems. 

While earning her JD, Madison served as an extern at the Center for Scientific Responsibility and Justice, which is part of the American Association for the Advancement of Science. In that role, she conducted legal research for amicus briefs concerning topics at the intersection of science and civil rights, including race, sex, and disability discrimination in STEM education and employment. 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. In addition, while working as a law clerk for Health Law Advocates, Madison conducted research on and assisted with cases involving Medicaid coverage.

In law school, Madison earned a JD with a concentration in Health Law. She also served as a student attorney at GW Law’s Health Rights Law Clinic and an Administrative Law teaching assistant.

viewpoints

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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Last week, Texas Attorney General Ken Paxton filed a complaint in federal district court against HHS and the Office for Civil Rights (OCR) challenging a recently issued rule strengthening protection of protected health information (PHI) related to reproductive health. As summarized in a previous post, the HIPAA Privacy Rule to Support Reproductive Health Care Privacy (Final Rule), generally prohibits disclosure or use of PHI by a covered entity or their business associate for purposes of criminal, civil, or administrative investigations into persons for seeking, obtaining, providing, or facilitating reproductive health care under lawful circumstances. In its complaint, Texas argues that the Final Rule is unlawful and seeks to have it vacated.

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CMS 2026 IRA Price Negotiations Results Likely to Create Upstream and Downstream Effects

August 20, 2024 | Blog | By Rachel A. Alexander, Theresa Carnegie, Xavier Hardy, Alison H. Peters, Madison Castle

On August 15, 2024, CMS announced the results of the first round of the negotiated prices between CMS and participating drug manufacturers for the 10 selected drugs under the Inflation Reduction Act’s (IRA) Medicare Drug Price Negotiation Program (MPN or Program). In all, reactions to the MPN results varied: Reuters reported that executives from four of the manufacturers selected in the first round of negotiations stated that they do not expect the negotiated prices to significantly impact their businesses; meanwhile, in its press release announcing the maximum fair prices (MFPs), CMS touted an estimated $1.5 billion in Medicare prescription drug out-of-pocket cost savings for Medicare beneficiaries when the negotiated prices go into effect in 2026. 

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PBM Policy and Legislative Update — Summer 2024

July 31, 2024 | Blog | By Theresa Carnegie, Tara E. Dwyer, Rachel A. Alexander, Bridgette Keller, Madison Castle, David Gilboa, Xavier Hardy, Samantha Hawkins, Stephnie John, Pat Ouellette, Alison H. Peters, Abdie Santiago, Hassan Shaikh, Sophia Temis

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On July 8, 2024, the Office of Inspector General (OIG) updated its General Questions on Fraud and Abuse Authorities (FAQs) related to the Anti-Kickback Statute (AKS) and the Beneficiary Inducement Prohibition of Civil Monetary Penalties Law (CMPL) with clarifications regarding waiving patients’ cost-sharing amounts pursuant to health care providers’ financial assistance policies. The new FAQs (FAQs #13-16) reiterate the OIG’s longstanding position that hospitals and other health care providers may provide financial assistance to Medicare and Medicaid beneficiaries on the basis of financial need. Of note, the OIG also provides some guidance on the distinction between marketing and advertising to patients as opposed to making patients aware about the availability of financial assistance, and this guidance may be useful in a variety of contexts beyond cost-sharing waivers. 

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Mintz IRA Update — Learning From Experience: Medicare Drug Price Negotiation Program Updates

July 15, 2024 | Blog | By Stephnie John, Samantha Hawkins, Madison Castle

Read about updates to the Medicare Drug Price Negotiation Program being considered by CMS, including changes to the 2027 negotiation process, plus industry response to draft guidance and drug makers’ softened perspective on the IRA’s impact.
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Read about independent state boards — called Prescription Drug Affordability Boards (PDABs) — implemented by a number of states to address high drug prices in their health care systems and manufacturers’ concerns about the use of these boards.
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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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