Atty. Neil M. Sullivan

Atty. Neil M. Sullivan

Mr. Sullivan concentrates his practice in healthcare and insurance law, with a particular emphasis on the intersection of healthcare finance and delivery.

Roseland Roseland 33 yrs experience 33 year
Call (973) 535-1600 Book Appointment

Profile Summary

About Neil M. Sullivan at a glance

Neil M. Sullivan is a health care attorney based in Roseland, New Jersey, practicing at Greenbaum, Rowe, Smith & Davis LLP. They have 33+ years of legal experience, licensed to practice since 1993. Admitted to practice in New Jersey, New Jersey State Bar Association (1993). Educated at Rutgers University–Newark (J.D., 1993) and Rutgers University–Newark (B.A., 1980). Recognitions include Best Lawyers in America — Health Care Law (2026), Best Lawyers in America — Awards: (2026), and Best Lawyers in America — Mr. Sullivan ranked among the top 15 professionals in the (2026). Serands clients in Roseland, NJ and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. Sullivan concentrates his practice in healthcare and insurance law, with a particular emphasis on the intersection of healthcare finance and delivery
  • He regularly represents and counsels health plans and healthcare providers in regulatory compliance and filings, and alternative financial models for healthcare delivery, including Organized Delivery Systems (ODS), Accountable Care Organizations (ACO), Multiple Employer Welfare Arrangements (MEWA), and health system equity ownership or participation in insurance organizations
  • As Assistant Commissioner of the New Jersey Department of Banking and Insurance (DOBI) from 2010-2014, Mr. Sullivan oversaw the Office of Life and Health during a period of fundamental change in both the healthcare and insurance sectors
  • This encompassed the implementation of the Affordable Care Act (ACA) and the Dodd-Frank Wall Street Reform and Consumer Protection Act
  • the emergence of alternative financial models for health care delivery, including CO-OPs, ACOs, and health system equity ownership or participation in insurance organizations
  • and the transition to electronic health records and implementation of the ICD-10 mandate
  • In his role at DOBI, Mr. Sullivan had overall responsibility for the implementation of insurance reforms under the ACA, including the establishment of a high-risk pool and feasibility study of health insurance exchanges, and rationalizing conflicting points of state and federal law
  • He served as the DOBI Commissioner’s designee on the NJ Individual Health Coverage (IHC) and Small Employer Health (SEH) program boards, the Mandated Health Benefits Advisory Commission, and the NAIC Regulatory Framework Task Force and Senior Issues Committee, and acted as liaison with the Centers for Medicare & Medicaid Services (CMS) over ACA implementation

Practice Areas Explained

Neil M. Sullivan's Areas of Practice

Each practice area below reflects the types of cases Neil M. Sullivan handles, with a brief overview of what that area of law covers.

Health Care Law

Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.

Neil M. Sullivan is one of 66,735 health care attorneys indexed nationally. Browse health care attorneys in New Jersey →

Jurisdictional Context

Why local counsel matters in New Jersey

Practicing law in New Jersey. Legal matters in New Jersey are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Roseland are typically filed in the local municipal court or the appropriate New Jersey state district court, depending on subject matter and amount in controversy. An attorney licensed in New Jersey brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in New Jersey courts without local counsel or pro hac vice admission.

Looking for additional New Jersey attorneys? Browse all attorneys in Roseland or all attorneys in New Jersey.

Frequently Asked

Common questions about Neil M. Sullivan

Where is Neil M. Sullivan's law office located?
Neil M. Sullivan's law practice is located in Roseland, New Jersey. The firm is Greenbaum, Rowe, Smith & Davis LLP. You can contact the office directly through this profile page.
What practice areas does Neil M. Sullivan handle?
Neil M. Sullivan focuses on health care. Each practice area listed reflects experience handling cases of that type in New Jersey.
How long has Neil M. Sullivan practiced law?
Neil M. Sullivan has 33+ years of legal experience and has been licensed since 1993.
Where did Neil M. Sullivan go to law school?
Neil M. Sullivan earned their education at (J.D., 1993); (B.A., 1980).
How can I contact Neil M. Sullivan for a consultation?
You can contact Neil M. Sullivan directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Neil M. Sullivan received?
Neil M. Sullivan's notable recognition includes: Best Lawyers in America — Health Care Law; Best Lawyers in America — Awards:; Best Lawyers in America — Mr. Sullivan ranked among the top 15 professionals in the; Best Lawyers in America — NJBIZ; Best Lawyers in America — annual “Power 50 in Healthcare” list in 2012 - 2014.

Practice Areas

Education

J.D.
Rutgers University–Newark
- 1993
B.A.
Rutgers University–Newark
- 1980

Awards

Best Lawyers in America — Health Care Law
- 2026
Best Lawyers in America — Awards:
- 2026
Best Lawyers in America — Mr. Sullivan ranked among the top 15 professionals in the
- 2026
Best Lawyers in America — NJBIZ
- 2026
Best Lawyers in America — annual “Power 50 in Healthcare” list in 2012 - 2014
- 2026

Bar Admissions

New Jersey, New Jersey State Bar Association
Admitted: 1993

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