Atty. Mark A. Ison
As an experienced health care, corporate and transactional lawyer, Mark Ison recognizes that business success requires both attention to granular details and an appreciation of the larger context in which decisions are made. He brings this perspective to his work serving both health care and non-health care industry clients, providing counsel that combines a business attorney’s practical guidance and strategic vision with an immersive understanding of each client’s operational, financial, and compliance challenges.
Corporate Law & More Attorney · Serving Nashville, TN · 22+ Years Experience
Profile Summary
About Mark A. Ison at a Glance
Mark A. Ison is a business, m&a, and health care attorney based in Nashville, Tennessee, practicing at Sherrard Roe Voigt & Harbison PLC. They have 22+ years of legal experience, licensed to practice since 2004. Admitted to practice in Tennessee, Tennessee Bar Association (2004). Educated at Vanderbilt University (J.D., 2004) and University of Massachusetts Amherst (—, 2001). Recognitions include Best Lawyers in America — Corporate Law (2026), Best Lawyers in America — Health Care Law (2026), and Best Lawyers in America — Mergers and Acquisitions Law (2026). Serves clients in Nashville, TN and the surrounding metropolitan area.
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About Mark A. Ison
- As an experienced health care, corporate and transactional lawyer, Mark Ison recognizes that business success requires both attention to granular details and an appreciation of the larger context in which decisions are made
- He brings this perspective to his work serving both health care and non-health care industry clients, providing counsel that combines a business attorney’s practical guidance and strategic vision with an immersive understanding of each client’s operational, financial, and compliance challenges
- Mark’s ability to parse the countless nuances of ever-changing laws and guidance, and his grasp of how they intersect with the day-to-day and long-term realities faced by healthcare providers, facilitates his actionable counsel
- He is particularly well-versed in fraud and abuse matters, including under federal laws such as the Stark Law, Anti-Kickback Statute, False Claims Act, Civil Monetary Penalties Law and HIPAA, and analogous state laws governing self-referral, fee-splitting, kickbacks, the corporate practice of medicine, and privacy
- His practice also includes substantial work on matters involving Medicare reimbursement and reassignment, including audits, appeals, and disputes, as well as facility and professional licensing, professional entity formation and qualification, prompt payment, and other issues
- Clients across the healthcare spectrum rely on Mark for his compliance expertise and transactional and operational experience, including physicians and physician groups, nurse practitioners, physician assistants, physical therapists, and chiropractors, as well as physician joint ventures, laboratories, pharmacies, independent diagnostic testing facilities, ambulatory surgery centers, and healthcare technology and device companies
- He works with clients on a broad range of operational and transactional issues, such as the formation, operation, dissolution, purchase and sale of professional practices and related entities (including complex private equity-backed transactions and physician-hospital integration transactions), employment and recruitment agreements, management agreements, professional services agreements, joint ventures, payor disputes, and covenants not-to-compete
- Not limiting his practice exclusively to health care clients, Mark has represented clients in many other industries in connection with mergers and acquisitions, venture capital and private equity financing, securities matters, business formation and dissolution, and day-to-day operational issues, including leasing and licensing transactions and employment matters
- Mark is an adjunct instructor in health law at the Belmont College of Law and is a frequent speaker on health law topics, notably with respect to fraud and abuse and healthcare mergers and acquisitions
Practice Areas Explained
Mark A. Ison's Areas of Legal Practice
Each practice area below reflects the types of cases Mark A. Ison handles, with a practical overview of what that area of law involves and how it may apply to your situation in Nashville.
Business & Corporate Law in Nashville
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
Mark A. Ison is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Tennessee →
Mergers & Acquisitions in Nashville
Mark A. Ison is one of 49,430 m&a attorneys indexed nationally. Browse m&a attorneys in Tennessee →
Health Care Law in Nashville
Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.
Mark A. Ison is one of 66,157 health care attorneys indexed nationally. Browse health care attorneys in Tennessee →
Jurisdictional Context
Why Local Counsel Matters in Nashville
Practicing law in Tennessee. Legal matters in Tennessee are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Nashville are typically filed in the local municipal court or the appropriate Tennessee state district court, depending on subject matter and amount in controversy. An attorney licensed in Tennessee brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Tennessee courts without local counsel or pro hac vice admission.
Nashville Courts and Legal Process
Choosing a Nashville-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional Tennessee attorneys? Browse all attorneys in Nashville or all attorneys in Tennessee.
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Professional Profile
Why Clients in Nashville Choose Mark A. Ison
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Mark A. Ison's practice in the field of business, m&a, and health care.
Decade-Tested Legal Experience
Mark A. Ison brings 22+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Broad Practice Area Coverage
Covering business, m&a, and health care, Mark A. Ison can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Nashville
A Nashville-based practice means Mark A. Ison attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues Mark A. Ison Handles in Nashville
Below is a representative sample of the types of matters Mark A. Ison has experience with under Tennessee law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact Mark A. Ison directly to discuss the specifics of your situation.
Search Reference
How People Find Mark A. Ison Online
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Mark A. Ison's Practice Areas & Specializations
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Bar Admissions & Licensed Jurisdictions
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