Jason D. Gregoire - Portsmouth, NH
Attorney at Sheehan Phinney
Business Litigation Lawyers in Portsmouth, NH
75 Portsmouth Boulevard Suite 110 Portsmouth, NH 03801
- 1 Super Lawyers®
-
16
Years
Experience
Portsmouth Business Litigation Lawyer
Updated: 03/16/2026
Areas of Practice
- Business Litigation
- Healthcare
- Corporate
- Mergers & Acquisitions
Attorney Information
Overview
Jason serves as chair of the firm’s Healthcare Practice Group. He advises practitioners and facilities of all types on transactional, compliance, privacy, corporate, contracting, licensing, risk management, fraud and abuse, and patient care issues.
Jason assists physicians, dentists, optometrists, veterinarians, chiropractors, and other health care practitioners in employment and professional practice transitions including negotiating employment contracts, shareholder buy-ins, and practice sales and acquisitions. He has represented physician practices in sales to hospital systems and dental practices in sales to Dental Service Organizations (DSOs). Jason also routinely represents non-profit health care facilities in change of ownership and control matters before the Charitable Trusts Unit of the NH Attorney General’s Office.
Jason frequently speaks to industry groups such as the NH Health Care Association, Home Care, Hospice & Palliative Care Alliance of NH, Medical Group Management Association, Healthcare Financial Management Association, NH Providers Association, Bi-State Primary Care Association, and Maine Primary Care Association.
Key Cases:
- Represented owner of multi-site medical spa in sale to private-equity backed consolidator.
- Represented New Hampshire hospital in affiliation transaction with large, Boston-based health system.
- Represented New Hampshire home health agency in affiliation transaction with hospital system.
- Represented physiatry practice in asset sale to hospital system.
- Represents dental and oral surgery practices in sales to, and management services relationships with, Dental Service Organizations (DSOs).
- Represents sellers and buyers of dental, physician, veterinary, vision, chiropractic, and other professional practices in merger and acquisition transactions.
- Served as local counsel to national optometry services provider in establishing management services relationships with New Hampshire practices.
- Prevailed at the New Hampshire Supreme Court on behalf of a hospital challenging an ambiguity contained in its umbrella insurance policy. Exeter Hospital, Inc. v. Steadfast Insurance Company, 170 N.H. 170 (2017).
- Represents professionals before the Board of Medicine, Board of Nursing, Allied Health Board, Naturopathic Board of Examiners, and Board of Nursing Home Administrators.
- Represented two large New Hampshire hospitals in constitutional litigation challenging the New Hampshire Medicaid Enhancement Tax resulting in a ruling that the enabling statute was unconstitutional and leading to a landmark settlement with the State of New Hampshire.
- Obtained summary judgment, affirmed on appeal by the New Hampshire Supreme Court, for a physician practice who was sued by a former shareholder seeking to recoup an insurance refund received under the Tuttle v. NHMMJUA settlement.
- Obtains guardianships over incapacitated adults for hospitals and long-term care facilities.
- Advises clients on developing, implementing and maintaining HIPAA and Part 2 policies and procedures.
Awards and Honors
Honors
- NH Union Leader's 40 Under Forty Award
- Best Lawyers in America® 2023 'Lawyer of the Year', Healthcare
- Best Lawyers in America®, Health Care
- Chambers USA, Healthcare
- New England Super Lawyer®, Health Care
- Rising Star by New England Super Lawyers®, Healthcare, 2013-2022
- NH Health Care Association Star Award - 2016
Other Sources of Feedback About Jason D. Gregoire
Included on the 2026 New England Super Lawyers list
Past Lists
- 2025 New England Super Lawyers list
- 2024 New England Super Lawyers list
- 2023 New England Super Lawyers list
- 2022 New England Super Lawyers list
- 2021 New England Super Lawyers list
- 2020 New England Super Lawyers list
- 2019 New England Super Lawyers list
- 2018 New England Super Lawyers list
- 2017 New England Super Lawyers list
- 2016 New England Super Lawyers list
- 2015 New England Super Lawyers list
- 2014 New England Super Lawyers list
- 2013 New England Super Lawyers list
Education
-
Legal Education
-
Vermont Law School,
South Royalton,
Vermont
J.D
Honors: magna cum laude
Honors: Member, Vermont Law School Moot Court Advisory Board
Law Review: Vermont Law, Head Notes Editor
-
Vermont Law School,
South Royalton,
Vermont
-
Non Legal Education
-
Northeastern University
B.S
Honors: summa cum laude -
London School of Economics
Hansard Scholars Program
-
Northeastern University
Current Employment Position(s)
-
Shareholder
Pro Bono Activities
- Conservation Commission for the Town of Exeter
- Board Member, Cross Roads House
- Former President, Board of Directors, NH Providers Association
- Former Board Member, NH Long-Term Care Foundation
- Member, Compliance Committee, Easterseals NH, VT & ME
- Member, Education Committee, New Hampshire Health Care Association
- Leadership New Hampshire Graduate, 2020
- Hoffman-Hass Fellow, 2017
- Leadership Seacoast Graduate, 2014
- Past Chair, Town of Exeter Conservation Commission
- Past Chair, New Hampshire Bar Association Health Law Section
- Past Member/Officer, New Horizons for New Hampshire
Published Works
Articles
-
Gone Baby Gone… Or So You Thought
-
To Release or Not to Release: Common Medical Record Release Issues (p 31)
-
The FTC Non-Compete Ban: What is it and how to prepare?
-
The duties of board members serving NH Charities
-
Drilling down: Tips for buying a dental practice
- Extracting yourself from dentistry: Tips for selling your dental practice
- Federally Qualified Health Centers: The Heart of Community Health Care
- CARES Act Overhauls Federal Law Governing Privacy of Substance Use Disorder Treatment Information
- Recent Changes to Federal Telehealth Laws in Response to the COVID-19 Outbreak
- COVID-19: HIPAA Covered Entity and Business Associate Disclosure Rules
- NH Legal Perspective: Proposed Federal Changes Would Remove Obstacles for Substance Abuse Care
- Tech Companies and Healthcare: Is Privacy at Stake?
- SAMHSA Finalizes Changes to Part 2 Regulations Governing Confidentiality of Substance Use Disorder Treatment Records
- Governor Sununu Signs Two Bills to Address Delays in New Hampshire Nurse Licensure Process
- SAMHSA Overhauls Federal Rule Governing Privacy of Patients Seeking Treatment for Substance Use Disorders
- NH Legal Perspective: Disclosing bad-performance information about ex-employees
- NH Legislature Creates Special Medicaid Representative Designation
- New Hampshire Board of Medicine Adopts Final Opioid Prescription Rules
- Health Law: One Year In: NH Healthcare Surrogacy Decision-Making Law
- Essential Documents for Retirement
- Governor Hassan Signs Law Allowing Hospital Patients to Designate Aftercare Giver
- New Hampshire Creates Board of Registered Medical Technicians: Compliance Obligations
- Licensing to begin of New Hampshire med techs
- Health Care Drug-Free Workplace Law Scheduled to Take Effect in New Hampshire on August 25, 2014
- NH Legal Perspective: Beware of forum selection clauses embedded in commercial contracts
- Long-Term Care Facilities Rejoice, Resident Fiduciaries Beware
Bar Admissions
- New Hampshire
- Massachusetts
- U.S. District Court District of New Hampshire
- Maine
Other Affiliations
- New Hampshire Bar Association (Member)
- Manchester Bar Association (Member)
Photo
Contact
75 Portsmouth Boulevard
Suite 110
Portsmouth, NH 03801
Phone: 603-945-9922
Fax: 603-627-8121
Email: Send a message
Website: https://www.sheehan.com/
Disclaimer
Your Profile? Update Now
When viewing a listing, consider the state advertising restrictions to which lawyers and law firms must adhere, as well as our FindLaw.com Legal Directory disclaimer. Some lawyers publish comparative information regarding the services that they provide which may be subject to specific comparative communications restrictions.