Legal Guide to Buying or Selling a Medical Practice in Hawaii

Current as of: October 20, 2026 Mergers & Acquisitions (M&A) Hawaii
Buying a medical practice in Hawaii requires transferring highly regulated state licenses, securing Medicare provider numbers, and navigating strict patient privacy laws (HIPAA). Furthermore, you must carefully draft employment contracts, as Hawaii law severely restricts the enforceability of certain non-compete agreements.

Acquiring a medical, dental, or veterinary practice in Hawaii is fundamentally different from buying a standard retail business. Healthcare is one of the most heavily regulated industries in the United States, and state-specific rules dictate exactly who can own a clinic, how patient records are handled, and how government billing numbers are transitioned.

A poorly executed medical merger can result in massive federal fines for HIPAA violations, crippling interruptions in cash flow if insurance billing is delayed, or the complete loss of your medical staff if non-competes are unenforceable. Structuring the sale correctly ensures continuity of care for patients and financial stability for the buyer. We strongly advise partnering with a specialized healthcare M&A lawyer from our directory to safeguard your transaction.

Healthcare Regulatory Compliance in Hawaii

Unlike some states with a strict 'Corporate Practice of Medicine' doctrine that bans non-doctors from owning clinics, Hawaii allows professionals to form Professional Corporations (PCs) or standard LLCs depending on the structure. However, all medical personnel must be individually licensed by the state under Haw. Rev. Stat. § 453-1 et seq.. During a buyout, your legal team must ensure the purchasing entity is properly credentialed.

Step 1: Dental Clinics

When buying a dental practice in Honolulu or Maui, you must coordinate with the Board of Dental Examiners, Honolulu. A major hurdle in dental transitions is the transfer of patient records and uncompleted treatment plans (like ongoing orthodontic work). The purchase agreement must clearly define who is financially responsible for re-doing faulty crowns or finishing braces that were started and paid for before the closing date.

Step 2: Specialized Surgery Centers

Purchasing an Ambulatory Surgery Center (ASC) is highly complex. If you are building a new facility or substantially changing the scope of an existing one, Hawaii law may require a Certificate of Need (CON). This proves to the state that your facility is actually needed by the community. Your lawyer will help you file the Form Administrative Application, Hawaii, State Health Planning and Development Agency, Administrative Application - Certificate of Need Program directly with the State Health Planning and Development Agency, Honolulu.

Step 3: Veterinary Practices

Veterinary clinics operate under the Board of Veterinary Medicine, Honolulu. While vets do not have to comply with HIPAA (since it only applies to human health data), they are strictly regulated by the Drug Enforcement Administration (DEA). The seller's DEA registration for controlled substances (like animal anesthesia) cannot be transferred. The buyer must obtain their own DEA registration before the closing date to legally prescribe medications on day one.

Patient Record Transfers and HIPAA

During a medical practice sale, the physical and electronic medical records (EMR) are usually transferred to the buyer. However, under federal HIPAA laws, the seller must ensure the buyer signs a Business Associate Agreement (BAA) if they are inspecting files during the due diligence phase. Post-sale, the buyer becomes the 'custodian of records.' Both parties should send a joint letter to all active patients notifying them of the transition and providing them the option to transfer their medical records elsewhere if they do not wish to see the new doctor.

Transitioning Medicare and Medicaid (Med-QUEST)

The lifeblood of most clinics is their ability to bill insurance. In a stock sale, the clinic's tax ID and Medicare provider numbers usually remain intact. In an asset sale, the buyer must apply for new credentialing. You must submit Form CMS-855B, FED, Centers for Medicare & Medicaid Services, Medicare Enrollment Application. For local state Medicaid, you must coordinate the transfer of provider status with the Med-QUEST Division, Kapolei. Failing to manage this perfectly will result in months of unpaid claims.

Non-Compete Enforceability Under Hawaii Law

When buying a practice, you want to ensure the selling doctor does not just open a competing clinic across the street and take all their patients back. However, non-competes in Hawaii are under heavy scrutiny. While Haw. Rev. Stat. § 480-4 voids non-competes for technology workers, restrictive covenants entered into by the seller of a business and its goodwill are expressly recognized under Haw. Rev. Stat. § 480-4(c)(1). Landmark precedents like Technicolor, Inc. v. Traeger, 57 Haw. 113 (HI Supreme Court 1976) establish that courts evaluate whether a non-compete protects legitimate business interests without imposing undue hardship or harming the public. A well-drafted non-compete tied to the sale of goodwill is generally much more enforceable than a standard employment covenant, provided the geographic radius and time limit (e.g., 2 years, 5 miles) are reasonable.

Costs of Medical M&A

A medical acquisition requires specific legal and accounting budgets:

  • Practice Valuation: Hiring a healthcare appraiser to determine the fair market value of the equipment and patient goodwill costs $5,000 to $15,000.
  • Legal Fees: Healthcare M&A attorneys in Hawaii charge $400 to $650 per hour. Expect to spend $20,000 to $50,000 on drafting the Asset Purchase Agreement, conducting HIPAA due diligence, and structuring the non-competes.
  • Credentialing Services: Paying a third party to handle the Medicare/Med-QUEST credentialing transitions usually costs $2,000 to $5,000.

Timeline

You cannot rush a medical merger. While the financial negotiations might only take a month, the regulatory credentialing is agonizingly slow. Waiting for Medicare and Med-QUEST to approve new provider enrollment applications regularly takes 90 to 120 days. You must plan your closing date around these government timelines to ensure you can legally bill for services on your first day of ownership.

Frequently Asked Questions (FAQ)

Do I have to notify patients about the sale?

Yes. Medical ethics rules and standard of care require that patients be notified when their primary doctor is leaving or selling the practice. They must be given a reasonable opportunity to retrieve their records or transition to the new owner.

Can I buy a clinic's NPI (National Provider Identifier) number?

An individual provider's Type 1 NPI stays with the doctor forever and cannot be sold. A Type 2 organizational NPI tied to an LLC or Corporation can be acquired if you perform a stock purchase of that specific corporate entity.

Are non-competes fully banned for doctors in Hawaii?

As of recent legislative sessions, Hawaii has heavily debated banning non-competes for physicians to solve doctor shortages. However, non-competes explicitly attached to the sale of a business (to protect the goodwill the buyer paid for) generally have much stronger legal standing than standard employee non-competes.

What happens to medical malpractice liability in a sale?

In an asset sale, the selling doctor retains liability for any malpractice that occurred prior to the closing date. The seller must legally purchase 'tail coverage' malpractice insurance to cover any future lawsuits stemming from past treatments.


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