Understanding PLLCs, PCs & PAs for Texas Physicians

When physicians start thinking seriously about how to start a medical practice, their focus is usually and understandably clinical: patient care, office space, hiring staff, and building referral networks. However, one of the most critical early decisions has nothing to do with medicine itself; it has to do with entity structuring.

In healthcare, choosing between a professional limited liability company (PLLC), a professional corporation (PC), or a professional association (PA) is a regulatory requirement grounded in business law principles. In Texas, the entity choice, (PLLC, PC, or PA)  is driven by professional entity statutes and licensing requirements, while CPOM is a separate doctrine that restricts ownership, control, and certain financial arrangements regardless of the entity selected. The wrong structure can create licensing problems, invalidate ownership arrangements, and expose founders to serious legal and financial risk.

Below is a practical breakdown of what physicians and physician practice founders need to understand.

Why Entity Structuring Is Different in Healthcare

Every entrepreneur must select a legal entity to structure their business under. However, medical practices operate under a unique regulatory framework, with state laws often dictating who may own the practice, how profits can be distributed, and who controls clinical decision-making.

Unlike many other industries, you typically cannot form a standard entity with investors and begin operating freely. Medical business law imposes additional ownership and governance restrictions that do not apply to most businesses. For Texas physicians, these restrictions are often driven by CPOM principles, fee-splitting concerns, and licensing rules. 

Entity structuring for a medical practice is not just about taxes and liability. It is about compliance with professional licensing laws and the CPOM doctrine. In Texas, think of entity formation as choosing the legal wrapper (PLLC/PC/PA), and CPOM compliance as ensuring the ownership, governance, and contracts do not allow non-physicians to control medical decisions or improperly share professional fees.

The Professional Limited Liability Company (PLLC)

A PLLC functions similarly to a traditional limited liability company (LLC) but is designed specifically for licensed professionals. In Texas, many physicians use PLLCs when the desired governance and tax treatment align with an LLC structure.

A PLLC is often ideal for solo to mid-size physician practices when a physician owner wants maximum flexibility and anticipates changing owners over time. Texas physicians frequently consider a PLLC when they are planning modular growth, including providing ancillary services or seeking to expand into multiple sites. 

One of the key advantages of a PLLC is its customizable governance structure. A Texas PLLC may include different membership classes, vesting schedules, staged buy‑ins and buyouts, and tailored distribution and governance rights. This flexibility makes PLLCs well‑suited for practices that expect evolving ownership, compensation, or growth strategies with clearly defined valuation mechanics tied to specific triggering events.

However, a PLLC does not eliminate malpractice exposure, nor does it override Texas Corporate Practice of Medicine (CPOM) restrictions. CPOM compliance remains essential regardless of entity choice and must be addressed through ownership, governance, and contractual controls rather than the entity form itself.

The Professional Corporation (PC)

A Professional Corporation (PC) is an alternative entity structure that operates under a traditional corporate framework. PCs are typically subject to more formal governance requirements than PLLCs and are often used by larger or more mature medical practice groups that value structure, predictability, and formality.

In Texas, a physician may prefer a PC due to governance preferences, tax considerations, or lender and investor expectations, even when a PLLC would otherwise be permitted. PCs commonly involve a board of directors, designated corporate officers, and shareholder agreements governing physician owners.

Ownership transfer restrictions in a PC tend to be more rigid, with shares generally limited to licensed physicians and tightly controlled transfer mechanics. For practices that prioritize institutional structure, formal decision‑making processes, and clearly delineated authority, a PC can be an effective choice.

As with all professional entities, forming a PC does not alter CPOM requirements. Non‑physicians may not control clinical decision‑making, and financial arrangements must be structured to avoid prohibited fee‑splitting.

Professional Association (PA)

A Professional Association (PA) is a distinct and commonly used professional entity for Texas physician practices, expressly recognized under Texas professional entity statutes. While similar in many respects to a professional corporation, a PA is organized as an association rather than a corporation, is typically governed by membership-based governance documents rather than corporate bylaws and share structure, and is deeply ingrained in the Texas medical practice landscape.

Texas physicians often choose a PA because it aligns well with traditional physician ownership models, is widely understood by regulators, lenders, and hospitals, and offers a familiar governance framework for group medical practices. PAs are frequently used for single‑specialty or multi‑physician practices that want corporate‑style governance without the perception or branding of a traditional corporation.

Structurally, a PA typically features physician members rather than shareholders, along with governing documents that establish management authority, voting rights, and transfer restrictions among licensed physicians. From a practical standpoint, PAs can integrate cleanly with compliant administrative support arrangements, including Management Services Organization (MSO) models, when structured correctly.

Importantly, a PA does not solve CPOM issues by itself. CPOM compliance still depends on who owns the practice, who controls clinical decisions, and how compensation and management arrangements are structured. 

The Corporate Practice of Medicine (CPOM) Doctrine

One of the most misunderstood components of medical business law is the Corporate Practice of Medicine doctrine. CPOM laws generally prohibit non-licensed individuals or entities from practicing medicine or controlling clinical decisions. The goal is to ensure that patient care is driven by medical judgment, rather than financial interests. For Texas physicians, CPOM is not an entity structure and is not satisfied merely by forming a PLLC, PC, or PA. CPOM compliance is a separate analysis focused on ownership, control, and certain financial arrangements.

In CPOM states, restrictions often include:

• Non-physicians cannot directly own a medical practice.
• Non-physicians cannot control medical decision-making.
• Fee-splitting arrangements may be prohibited or tightly regulated.

This becomes especially important when founders seek outside investors or business partners. When trying to start a medical practice or healthcare business leveraging private equity, family investment, or strategic partners, CPOM compliance must be addressed early. In Texas, that typically means using governance controls and carefully drafted agreements (and, when appropriate, MSO-style administrative arrangements) that preserve physician control of clinical decisions and avoid prohibited fee-splitting.

Violating CPOM rules can lead to regulatory penalties, invalid contracts, and professional discipline.

The MSO Model: A CPOM-Compliant Structure

To navigate CPOM restrictions while allowing business participation, many practices adopt a Management Services Organization (MSO) structure.

Under a MSO model, a physician-owned PLLC or PC delivers clinical services, while a separate MSO entity provides administrative services such as billing, HR, marketing, and facilities management. Ultimately, a Management Services Agreement defines compensation and responsibilities.

The MSO may be owned by non-physicians, which allows investors or business professionals to participate economically without violating CPOM rules, if structured properly. However, this arrangement must be carefully drafted. Compensation formulas, control provisions, and operational realities must align with medical business law standards. An improperly structured MSO can unintentionally cross the line into prohibited control or fee-splitting.

This is where the guidance of a knowledgeable medical business lawyer becomes critical.

Compliance Beyond Formation

Forming a PLLC, PC, or PA is only the beginning. Founders who want to understand how to start a medical practice properly must look beyond entity documents.

Healthcare practices must also consider:

• State licensing and credentialing requirements
• Federal Stark Law implications
• Anti-kickback statutes
• Insurance and reimbursement contracts
• Employment agreements and restrictive covenants

These issues are deeply connected to medical business law and new business law. A structural mistake at the entity level can complicate compliance across all of these areas.

Structuring for Growth from the Beginning

Entity structuring should not only solve today’s compliance issues. It should support long-term growth.

As you evaluate how to start a medical practice, consider future expansion. Will you add partners? Open additional locations? Bring in private equity? Sell the practice eventually?

Each of these goals affects how your operating agreements, shareholder agreements, and management contracts are drafted. Medical business law is not static, and thoughtful new business law planning ensures that your structure can evolve without constant restructuring.

Growth-minded structuring also means building in flexibility. For example, your governing documents should clearly define ownership transfer rights, valuation methods, capital contribution requirements, and decision-making authority. If you anticipate expansion into multiple service lines, such as adding ancillary services, telehealth, or specialty divisions, your entity structure should allow for subsidiaries or affiliated entities without triggering regulatory conflicts. 

Planning under medical business law helps prevent costly amendments, partner disputes, or compliance gaps later. A strong formation-stage legal strategy creates a framework that can scale with your vision rather than restrict it.

Laying the Legal Foundation for Long-Term Success

Healthcare entrepreneurship carries both opportunity and risk. Starting a medical practice requires more than clinical expertise and business ambition. It requires a strong legal foundation.

Understanding the differences between PLLCs, PCs, PAs, and CPOM-compliant MSO structures is essential to starting a medical practice correctly. These decisions are governed by medical business law and reinforced by broader business and regulatory principles.

Entity structuring is not simply administrative paperwork. It protects your license, your investment, and your patients. With careful planning and guidance from an experienced medical business lawyer, your practice can be structured to support compliance, stability, and long-term success.

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FAQs

Q: What entity structure is typically needed to start a medical practice?

A: Texas physicians commonly structure a practice as a Professional Limited Liability Company (PLLC), a Professional Corporation (PC), or Professional Association. These professional entities are designed for licensed physicians, and CPOM compliance is addressed separately through ownership, governance, and contractual controls. 

Q: What is the Corporate Practice of Medicine (CPOM)? 

A: The Corporate Practice of Medicine doctrine generally prohibits non-licensed individuals or entities from owning medical practices or controlling clinical decisions. In Texas, compliance is implemented through ownership and governance restrictions and careful contract structuring.

Q: How does the MSO model work in healthcare?
A: Under the Management Services Organization (MSO) model, a physician-owned practice entity delivers clinical services while a separate company provides administrative support such as billing, HR, marketing, and facilities management. This structure can allow economic participation by non-physicians while remaining compliant with CPOM rules when drafted properly.

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