"Clients benefit from my over forty years of experience successfully litigating and settling health care law issues from both the regulator's and the provider's perspective."

Arnold Menchel became the Chair of Halloran Sage’s Health Care practice in 2012, following a distinguished three-decade career as an Assistant Attorney General of the State of Connecticut. He leverages this experience to provide sage advice to the full range of institutional and community-based providers on matters including:

• reimbursement and audits,
• regulatory compliance,
• HIPAA,
• licensure,
• Certificate of Need, and
• all administrative law matters.

Arnie constantly aims to use his unique perspective to assist his clients in attaining their goals as efficiently as possible.

Arnie advises hospitals, medical practices, long-term care facilities, and Medicare Contractors regarding compliance with HIPAA and various state and federal reimbursement and fraud and abuse statutes. In addition to providing advice, he also provides training on those topics. He represents hospitals and long-term care facilities regarding reimbursement rate appeals and all types of providers regarding Medicaid and Medicare audits and fraud and abuse investigations. Arnie also advises providers with respect to Department of Public Health licensing and investigations, Certificate of Need applications; and advises medical provider trade associations regarding state and federal laws and regulations.

As an Assistant Attorney General and the head of the Connecticut Attorney General’s Health Care Fraud/Whistleblower/Health Care Advocacy Department, Arnie advised the State of Connecticut and its various agencies on a wide range of state and federal health care reimbursement issues.

Arnie’s experience at the Attorney General’s office included successfully defending the State as lead counsel in a challenge by the Connecticut Hospital Association and its member hospitals to the Medicaid rate-setting methodology. He also successfully defended three separate cases involving long-term care facilities challenging the Medicaid rate-setting methodology. Furthermore, Arnie handled individual long-term care rate-setting matters; reimbursement and fraud enforcement matters involving institutional and community-based providers including hospitals, long-term care facilities, physicians, pharmacists, durable medical equipment providers, and dentists, among many others.

In the HIPAA context, Arnie supervised the first HIPAA enforcement case in the country brought by a State Attorney General. He also supervised the first case brought by the State under the Connecticut False Claims Act.

In the Health Care Advocacy context, Arnie supervised the advocacy by the Attorney General’s Office on behalf of constituents seeking appropriate coverage determinations under their health care plans and developed good working relationships with various state and federal agencies and commercial insurers.

Arnie is familiar with all aspects of administrative law, ranging from drafting regulations and shepherding them through the administrative process to handling contested cases and their appeals involving many different departments, including the Departments of Social Services, Public Health, Insurance, Consumer Protection and Mental Health and Addiction Services. In addition to handling administrative rate appeals, quality of care matters and licensing matters, he has appeared in state and federal trial and appellate courts.

Arnie has spoken at dozens of conferences and association meetings nationally as well as in Connecticut, for organizations including the American Conference Institute, the American Health Lawyers Association, the American Association of Health Plans, the Medicaid Management Institute, the Connecticut Bar Association, the Connecticut Health Lawyers Association, the Connecticut Society of Eye Physicians, the Visiting Nurse Associations of New England, and the Connecticut Association of Long Term Care Financial Planners.

Arnie is also a member of the Program Advisory Committee of Goodwill Industries of Southern New England.

Arnie has been recognized since 2017 by Chambers USA, part of the British Chambers firm ranking lawyers worldwide, and has been recognized by Super Lawyers® in the category of Health Care. He was included in the 2023, 2024, and 2025 editions of The Best Lawyers in America® for Health Care Law and Litigation – Health Care. Arnold was also recognized as the Hartford, CT Best Lawyers: Lawyer of the Year® 2024 in Health Care Law.