A medical practice is one of the few businesses where the entity question is settled by somebody other than the filing office. Before a state accepts articles of organization, a licensing board has usually already decided which forms a clinician may practise through, who may hold an ownership interest, and whether a lay-owned company may employ a treating clinician at all. That body of law is the corporate practice of medicine doctrine, and it is why the generic advice to form an LLC is wrong across a large share of the country.
What follows names the states rather than generalising. The universal mechanics that come after the entity decision, the registered agent, the EIN and the bank account, are in the step-by-step formation guide. If you are weighing the two professional forms in the abstract, start with what a professional corporation is.
The Corporate Practice of Medicine Decides This Before You Do
The doctrine holds that a corporation cannot practise medicine and cannot employ a physician to practise it on the corporation's behalf. California puts it in one line of statute: Business and Professions Code section 2400 provides that corporations and other artificial legal entities have no professional rights, privileges or powers. The Medical Board of California builds a working rule on top of it. Diagnosis, the choice of diagnostic tests, referral decisions, patient volume and hours worked, ownership and content of the medical record, hiring and firing on competency grounds, coding and billing procedures, and the selection of medical equipment all stay with a licensed physician. The Board lists non-physician ownership of a business offering patient evaluation, diagnosis or treatment as a prohibited arrangement, and lists physicians operating a practice as a limited liability company alongside it.
That second point is not Board preference. The California Secretary of State's own limited liability company information sheet states the rule flatly: a domestic or foreign LLC may not render professional services, citing Corporations Code section 17701.04. There is no California professional LLC to form. Other states permit one and then restrict who may hold it. Texas puts the professional association, the professional corporation and the professional limited liability company in a single chapter of the Business Organizations Code, and section 301.007 allows ownership or governance only by an authorized person, meaning someone licensed to render the same service. Florida reaches the same place through chapter 621: section 621.051 authorises the professional LLC and section 621.09 restricts membership to licensees in that specific service. In every one of these states the plain LLC remains available for the billing company or the real estate entity, and unavailable for the clinical one.
Your Licensing Board Files Before the Secretary of State Does
New York inverts the usual order. Under section 1203 of the Limited Liability Company Law, the articles of organization for a professional service limited liability company must list every original member and manager by name, New York State licence number and residence address. Those articles do not go to the Department of State first. They go to the State Education Department's Office of the Professions with a fee of $10 per member, and only after the Education Department issues a Certificate of Authority do the certificate and articles reach the Department of State. The Department of State's certified copy then goes back to the Education Department to close the loop.
New York also draws a line most founders do not expect. Multi-disciplinary professional entities are permitted in general, but licensees in dentistry, medicine, veterinary medicine and several mental health professions may not form a professional LLC or limited liability partnership to practise more than one profession. Engineering, architecture, landscape architecture, geology and land surveying may combine; medicine may not. Naming is its own filing. California requires a physician practising under anything other than their own legal name to hold a fictitious name permit from the Medical Board under Business and Professions Code section 2285, at $70 to apply and $50 every two years to renew, with four to six weeks of processing. Practices routinely file the entity, order signage, then learn the trading name needed a separate board permit. If you intend to defend that name commercially, price federal trademark registration in the same week.
Get the entity right the first time
We file professional corporations and professional LLCs with the state fee at cost, in the form your licensing board will accept. Or keep reading and file it yourself.
Malpractice Is the One Liability No Entity Absorbs
Every professional entity statute contains a version of the same sentence, and it is the one clinicians skip. Texas Business Organizations Code section 301.010 makes the entity jointly and severally liable for an error, omission, negligent act or malfeasance committed by a professional acting on its behalf, while leaving that professional personally liable for their own conduct. Florida section 621.07 is blunter: an individual remains personally liable for negligent or wrongful acts committed by that person, and the entity is liable up to the full value of its property. Neither makes the treating clinician's own negligence disappear.
So the entity does two real things and one imaginary thing. It contains the practice's commercial liabilities, the lease, the equipment finance, the vendor contracts and the employment claims, which a solo clinician otherwise carries personally. It insulates a partner from a co-owner's clinical error, which matters in a group. It does not stand between a plaintiff and the physician who treated the patient. That gap is filled by professional liability cover chosen against the specialty. Two clauses follow from this and belong in the governing document on day one: who pays for tail cover on a departure or conversion, and what happens to a member whose licence is suspended, since a suspended licensee stops being an authorized person and cannot lawfully hold the interest. The operating agreement essentials guide covers the general drafting; the licensure trigger is the professional-practice addition to it.
How a Professional Entity Is Actually Taxed
Entity form and tax classification are separate questions, and professional entities are where the two get conflated most. A professional LLC with one licensed member is disregarded by default and reports on Schedule C. With several licensed members it is a partnership filing Form 1065. A professional corporation is a corporation for state law purposes and then elects, or does not elect, subchapter S. The ownership restriction changes none of that; it only restricts who the owners may be. The LLC tax guide sets out the default classifications and the return-by-entity-type guide maps each to its federal return.
The S election is the live decision, because clinical income is earned income and self-employment tax applies to all of it under the default treatment. The IRS treats corporate officers who perform services as employees for FICA, FUTA and withholding, and points to Tax Court decisions including Veterinary Surgical Consultants in 2001 and Joseph M. Grey Public Accountant in 2002 holding that an employer cannot avoid employment taxes by characterising compensation to its sole shareholder as distributions of net income. A practice paying a physician $60,000 on $400,000 of collections is describing an audit. The reasonable salary guide works through the evidence that supports a defensible figure and the switch guide covers when the election earns its administrative cost. One state charge deserves naming: Delaware's LLC annual tax is $400 regardless of activity, which makes a Delaware holding entity an expensive habit for a practice operating in one state. The franchise tax comparison shows where the recurring number lands.
Opening a Practice, in Filing Order
The order below is not a preference. Each step gates the next, and the board-side items carry the longest lead times, so they start first even when the clinical build-out feels more urgent.
Credentialing punishes a late entity decision hardest. Payer enrolment attaches to a legal name and a tax identification number, so a practice that forms one entity, begins enrolment, then learns the board will not accept that form has to restart enrolment under the replacement. Ninety days of revenue can vanish into that loop. The licence lookup maps the local layer underneath all of it, and the EIN guide covers the federal identifier payers will ask for.
The Consequences of Filing an Entity the Board Will Not Accept
The cost of the wrong form is rarely a single fine. It is a stack of small charges plus a revenue interruption, and the interruption is almost always the larger number. A California clinician who files a limited liability company has created an entity the Secretary of State will register and the Medical Board will not accept.
- $70 spent on LLC articles that cannot be used for clinical services
- $100 to file the professional corporation's articles, from the state fee file
- $800 minimum California franchise tax for the year the unusable LLC sat on the register
- $70 fictitious name permit, plus $50 every two years, if the practice trades under a name
- Unprofessional conduct exposure for any period advertised under a name with no permit
- Payer re-enrolment under the new EIN, commonly 60 to 120 days of delayed collections
The paperwork alone passes $1,000 before a single claim is delayed, and a practice collecting $40,000 a month that loses 60 days of clean submissions is out several times that. The defensible version of this project is one written question to the board before anything is filed. Where the entity is already wrong, an amendment cannot convert a form the board does not recognise; a new entity and a clean migration will.
Three Practice Formations in Practice
Example 1: Cypress Ridge Internal Medicine
Two board-certified internists open a shared practice in Houston and file a professional limited liability company for $300, with both physicians as the only members because section 301.007 admits nobody else. Their practice manager, promised a share of profits during recruitment, cannot hold membership and moves to a bonus tied to collections.
Outcome: The arrangement the recruiter promised was unlawful in Texas. Catching it at formation cost one conversation.
Example 2: Harbor Line Pediatrics
A pediatrician leaving a hospital group files a California LLC online in twenty minutes because that is what every formation site suggested. Her billing company flags it during payer enrolment. She forms a professional corporation for $100, elects S status, applies for a fictitious name permit at $70 because the practice does not trade under her legal name, and dissolves the LLC after the franchise tax year closes.
Outcome: No penalty was assessed. The cost was the calendar, and the calendar cost more than every filing fee combined.
Example 3: Delaware Valley Behavioral Health
A psychiatrist and a licensed clinical psychologist plan a single New York practice. The Office of the Professions restriction on multi-profession entities in medicine and several mental health fields blocks the combined PLLC they wanted, so they file two professional entities under common management, each routed through the Education Department for a Certificate of Authority before the Department of State filing, at $200 per entity plus $10 per member.
Outcome: Two entities, one shared services agreement, and a structure the Office of the Professions will register.
Five Mistakes Medical Practices Make at Formation
Mistake 1: Filing a plain LLC for clinical services
Why it hurtsThe Secretary of State will accept it and the licensing board will not. California prohibits any LLC from rendering professional services outright.
PreventionAsk the board which forms your profession may use, in writing, before you file anything.
Mistake 2: Giving equity to a non-licensed partner
Why it hurtsTexas section 301.007 and Florida section 621.09 both limit ownership to licensees in the same service, so units held by a manager or investor make the entity defective.
PreventionPay non-licensed contributors through employment, bonus, or a separate management entity.
Mistake 3: Treating the entity as malpractice protection
Why it hurtsEvery professional entity statute preserves personal liability for your own negligence. The entity answers for the lease, not for the chart.
PreventionSet cover limits against the specialty and settle the tail question before any conversion or departure.
Mistake 4: Trading under a name with no permit
Why it hurtsIn California, using a fictitious practice name without a Medical Board permit is unprofessional conduct, and the permit takes four to six weeks.
PreventionApply in the same week you order signage, not after the doors open.
Mistake 5: Filing with the state before the board in New York
Why it hurtsNew York requires the Education Department's Certificate of Authority first, so a Department of State filing made out of order has to be redone.
PreventionOffice of the Professions first, Department of State second, certified copy returned third.
Groups should settle governance early, because the ownership restriction interacts with buy-sell terms in ways a generic template does not anticipate: a member who loses a licence needs a redemption mechanism, not a cure period. Entity questions for other licensed fields are covered in the professional services guide, and the plain-English comparison of forms sits in what an LLC is.
The board decides the form. The state only records it.
A medical practice is the clearest case where the entity choice belongs to somebody else. Ask the licensing board which forms your profession may use, confirm who may own them, file in the order that state requires, and treat professional liability cover as the answer to the risk the entity was never going to absorb.
Medical practice entity questions
Can a medical practice be a regular LLC?
In many states, no. California is explicit: the Secretary of State's own guidance states that a domestic or foreign LLC may not render professional services, citing Corporations Code section 17701.04, so California practices use a professional corporation. States that do allow a clinical practice to use an LLC generally require the professional variant, with ownership restricted to licensees.
Why is there no professional LLC in California?
Because Corporations Code section 17701.04 bars any LLC from rendering services that may lawfully be provided only under a licence issued under the Business and Professions Code, the Chiropractic Act or the Osteopathic Act. Business and Professions Code section 2400 adds that corporations and other artificial legal entities have no professional rights, privileges or powers.
Can a non-physician own part of my practice?
Not in Texas, New York or Florida. Texas Business Organizations Code section 301.007 permits ownership only by an authorized person, meaning someone licensed to render that service, and Florida section 621.09 restricts membership the same way. Non-licensed contributors are compensated through employment or a separate management entity instead.
Does a PLLC protect me from a malpractice claim?
No. Texas section 301.010 leaves the individual professional liable for their own error, omission or negligent act, and Florida section 621.07 says the same in plainer words. The entity contains commercial liabilities such as the lease and vendor contracts and insulates you from a co-owner's clinical error. Your own treatment decisions stay yours.
What is different about forming a practice in New York?
The order of filing. Under Limited Liability Company Law section 1203 the articles list every member with a New York licence number, and the application goes to the State Education Department's Office of the Professions first at $10 per member. Only after the Education Department issues a Certificate of Authority do the papers reach the Department of State.
Do I need a separate permit to use a practice name?
In California, yes. Business and Professions Code section 2285 requires a fictitious name permit from the Medical Board before a physician practises under any name other than their own. The application fee is $70, renewal is $50 every two years, and the Board estimates four to six weeks to process it.
Should the practice elect S corporation status?
Often, once collections are steady, but the salary has to be defensible. The IRS treats officers performing services as employees and cites Tax Court decisions holding that compensation cannot be recharacterised as distributions to avoid employment tax. Work the number from comparable clinical compensation rather than from a target tax bill.
Form the practice in the form your board will accept.
Professional corporation or professional LLC, filed with the state fee at cost, plus the EIN and the recurring compliance calendar that follows.
Written from the sources below, each read on 13 August 2026. Board rules and statutes change; confirm the current requirement with your licensing board before you file.
- California Secretary of State, LLC tax and professional services information
- Medical Board of California, practice information
- Medical Board of California, fictitious name permit
- Texas Business Organizations Code, chapter 301
- New York State Education Department, Office of the Professions
- California Franchise Tax Board, limited liability company
- IRS, S corporation employees, shareholders and corporate officers
Disclosure. File.Business is a private filing service, not a government agency and not a law firm. We prepare and submit filings at your direction, and nothing on this page is legal or tax advice. Filing fees, deadlines, and statutory references are current as of the last-updated date shown above and can change. Confirm current requirements with the relevant state or federal agency before you file.
