PLLC vs LLC for Nurse Practitioners, Plus PC and C-Corp
By Taylor Rose, Co-founder & CEO, Kinstead Health · August 12, 2026 · 10 min read
Choosing between a PLLC vs LLC for nurse practitioners usually comes down to what your state allows. A PLLC (Professional Limited Liability Company) is a version of the LLC built for licensed professionals. Some states require it, some states have never created it, and some let you choose.
There are two more options worth knowing: the Professional Corporation (PC) and the C-corp. Four names sounds like a lot, but for most nurse practitioners the real decision is small, and it usually takes an afternoon to settle.
This guide compares all four side by side, explains when a state forces your hand, and walks through what to file first.
The four options for a nurse practitioner practice
- Standard LLC. The plain limited liability company. Simple to file, simple to run.
- PLLC. An LLC restricted to licensed professionals. Every owner has to hold an active license.
- Professional Corporation (PC). A corporation for licensed professionals, with shares, bylaws, and a board.
- C-corp. A regular corporation, taxed separately from its owners.
One term that causes confusion: an S-corp is not on this list. S-corp is a tax election, not a type of company. An LLC, a PLLC, or a PC can all elect S-corp treatment by filing IRS Form 2553. More on that below.
PLLC vs LLC for nurse practitioners: the four options compared
| Standard LLC | PLLC | Professional Corporation (PC) | C-corp | |
|---|---|---|---|---|
| Protects personal assets from business debts | Yes | Yes | Yes | Yes |
| Protects you from your own malpractice | No | No | No | No |
| Who can own it | Anyone | Licensed professionals only | Licensed professionals only | Anyone |
| Default taxes | Pass-through | Pass-through | Taxed as a corporation at a flat 21% | 21% corporate tax, then tax again on money paid out |
| Can elect S-corp? | Yes | Yes | Yes | Not applicable |
| Ease of filing | Easiest, often same-day online | Same as an LLC, plus proof of licensure and sometimes board sign-off | More paperwork: shares, bylaws, board minutes, annual meetings | Same as a PC, plus a separate corporate tax return |
| An NP would pick it because | It is the default where the state allows a standard LLC for clinical care | The state requires a professional entity and offers the PLLC | The state has no PLLC, or you want corporate structure | You are raising outside investment or keeping large profits in the business |
| Typical cost to form | Up to $1,000 | Up to $1,000, plus any licensing-board fee | $100–$1,000+ | $100–$1,000+ |
| Typical cost each year | $0–$500 | $0–$500 | $100–$300, plus higher accounting fees | $100–$300, plus the highest accounting fees of the four |
Two things that catch nurse practitioners out when they budget for this.
The filing fee is not the whole bill. State fees swing a lot: Massachusetts is one of the priciest places to file an LLC at $500, while several states charge under $100. Add legal help, expedited processing, or a formation service and an LLC or PLLC can reach about $1,000 all in. A handful of states also charge an annual franchise tax on top of the report fee, and California's minimum is $800 a year.
Every entity needs an EIN and a registered agent. Budget roughly $200 more for the pair. The EIN is free if you apply directly with the IRS, so most of that $200 is the registered agent, which typically runs $100–$300 a year if you use a service instead of listing your home address on a public record. Most NPs use a service.
The row most nurse practitioners skip is the second one. None of these four protect you from your own clinical negligence. That is a separate job, handled by insurance, covered further down.
What actually differs between a PLLC and an LLC?
Very little. A PLLC is an LLC with two extra conditions:
- Every owner must hold an active license in the profession the company practices.
- A licensing board often has to sign off, either before you file or shortly after.
Beyond that, the two behave the same. Same protection against business debts, same flexibility in how you run the company, same tax treatment. The name has to carry the designation, spelled out or shortened to "PLLC" or "P.L.L.C."
When does a state require a nurse practitioner to form a PLLC?
A state requires a PLLC when it treats clinical care as a "professional service" and limits professional services to professional entities. In those states, filing a standard LLC for an NP practice gets rejected, and you file a PLLC or a PC instead.
States land in one of three camps:
- PLLC required. The state expects a PLLC or a PC for licensed clinical care.
- PLLC not recognized. The state never created the entity type, so nurse practitioners use a standard LLC or a PC.
- Professional entity required, PLLC available. The state wants a professional entity and accepts the PLLC as one form of it.
Rules change at every state line, so confirm yours with your Secretary of State and your Board of Nursing. A colleague's setup in a neighboring state is a starting point for a question, and it should not be your answer.
How do the rules differ in Massachusetts, Maryland, and Connecticut?
The three states Kinstead works in most closely land in three different camps, which makes them a useful illustration.
Massachusetts requires a professional entity. A standard LLC will not work for a clinical practice here. Most nurse practitioners form a PLLC, which is simpler than a PC. You mail a Certificate of Organization along with your professional certificate to the Secretary of the Commonwealth, and your annual report has to certify that every member holds a license.
Maryland has no PLLC. The entity type does not exist in Maryland statute. Nurse practitioners there form a standard LLC or a Professional Corporation, filed with the Maryland State Department of Assessments and Taxation (SDAT). Sources differ on which is the norm for licensed clinicians, so confirm with SDAT or an attorney before you file.
Connecticut requires a PLLC. Connecticut's LLC Act lists nursing among its professional services (CGS 34-243a), so an NP-owned practice organizes as a PLLC. Any LLC formed on or after July 1, 2017 to deliver professional services has to carry "PLLC" or "P.L.L.C." in its name. You file a Certificate of Organization with the Connecticut Secretary of the State.
For the full startup sequence in each state, including identifiers, credentialing, and current fees, the state guides go step by step: Massachusetts, Maryland, and Connecticut. Rules and fees change, so confirm the current requirement before you file.
Are these taxed differently?
A PLLC and an LLC are taxed identically, because a PLLC is a kind of LLC. Both are pass-through by default: the company pays no federal income tax, and profit flows to the owners' personal returns. A single-owner practice is taxed as a sole proprietorship, and a multi-owner practice as a partnership.
A PC and a C-corp work differently. Both are corporations, so the company itself pays tax. A PC that mostly earns money from its owners' professional work is a "personal service corporation" and pays a flat 21% federal rate. A C-corp pays 21% too, and then the owner pays tax again on anything distributed. That second layer is why a C-corp rarely suits a solo NP practice.
The S-corp election
Any of these can be taxed more favorably once the practice is profitable. An LLC, a PLLC, or a PC can elect S-corp treatment with IRS Form 2553. The owner then pays themselves a reasonable salary and takes the rest as distributions, which can lower self-employment tax.
The election is a federal tax choice sitting on top of your state entity. It does not change the entity's name or how you formed it. It also only pays off above a certain profit level, and it adds payroll filings, so it is worth running past an accountant rather than electing by default.
The takeaway for nurse practitioners comparing a PLLC vs LLC: the entity choice carries no tax advantage either way. The tax lever is the S-corp election, and every option except the C-corp can pull it.
Does any of this protect you from malpractice claims?
No, and this is the most common misunderstanding about forming an entity.
A PLLC, LLC, PC, or C-corp protects your personal assets from the practice's business liabilities. A defaulted lease, an unpaid vendor invoice, a business loan. If the practice owes money, creditors generally cannot reach your house or your savings.
Your clinical work sits outside that shield. Every licensed nurse practitioner stays personally responsible for the care they deliver, no matter what entity surrounds the practice. That exposure is covered by professional liability insurance, which is also why payers ask for proof of coverage during credentialing. Our guide to malpractice insurance for nurse practitioners covers what it costs, how claims-made and occurrence policies differ, and how much coverage to carry.
An NP running an independent practice needs the entity for the business side and the policy for the clinical side.
What should a nurse practitioner file first?
Settle the entity type, then file it before you chase anything that depends on it. This order avoids rework:
- Confirm the entity type your state allows with the state statute and your Board of Nursing. PLLC, standard LLC, or PC.
- Clear the name. Make sure it is available and carries any required designation. If you have not landed on one, how to name your nurse practitioner practice covers state naming rules, DBAs, and the trademark and domain checks worth doing first.
- File the entity with your Secretary of State, plus any licensing-board approval your state requires. You name a registered agent as part of this step, so decide beforehand whether you are using a service or your own address.
- Get your EIN from the IRS once the entity exists. It is free and takes minutes if you apply directly at IRS.gov.
- Move on to identifiers and credentialing: the Type 2 NPI, DEA and state controlled-substance registrations, CAQH, and payer applications.
Forming the entity takes a week or two. Credentialing takes months, so the reason to get the entity right the first time is to avoid re-filing and to unblock everything downstream that references it.
Frequently asked questions
Is a PLLC or an LLC better for a nurse practitioner?
Neither one is better on its own. Your state decides which one you are allowed to use. Some states require licensed professionals to form a PLLC, some require a Professional Corporation, and some have no PLLC at all and expect a standard LLC. Check your state's rule before you file, because filing the wrong entity type can get your paperwork rejected.
What is the difference between a PLLC and a PC for a nurse practitioner?
A PLLC is a limited liability company for licensed professionals, and it is simpler to run. A PC is a corporation, so it comes with shares, bylaws, a board, and annual meetings. Both give an NP the same protection against business debts. Most nurse practitioners pick the PLLC where the state offers it, and use a PC where the state does not.
Do PLLCs and LLCs pay different taxes?
No. A PLLC is a type of LLC, so the two are taxed the same way. Both are pass-through by default, meaning profit lands on the owners' personal returns, and both can elect to be taxed as an S corporation by filing IRS Form 2553. Picking one over the other changes nothing about your tax bill.
Should a nurse practitioner form a C-corp?
Almost never. A C-corp pays 21% corporate tax and then the owner pays tax again on any money taken out, so a solo NP practice usually pays more than it would as a pass-through. C-corps make sense mainly for businesses raising outside investment or keeping large profits inside the company. The QSBS tax break people mention generally does not apply to health services.
Does Maryland allow nurse practitioners to form a PLLC?
No. Maryland has no PLLC entity type. Nurse practitioners in Maryland form either a standard LLC or a Professional Corporation, filed with the Maryland State Department of Assessments and Taxation. Which one fits your practice is worth confirming with SDAT or an attorney before you file.
Does a PLLC protect a nurse practitioner from malpractice lawsuits?
No. A PLLC protects your personal assets from the practice's business debts, like a lease or an unpaid vendor invoice. It does not cover your own clinical negligence. Every licensed NP stays personally responsible for the care they give, which is what malpractice insurance is for.
How Kinstead helps
The entity decision is small in effort and easy to get wrong, because the rule changes at every state line.
Kinstead helps nurse practitioners launch and run independent, insurance-based practices. Forming the right entity in your state is one of the first things we handle, and then we run the identifiers, credentialing, billing, and operations that follow, in parallel, so the months of administrative setup happen in the background instead of on your nights and weekends. You own the practice and make the clinical calls. We run the back office. Learn more about how Kinstead supports independent NP practices, or see what your first 90 days look like.