California medical-practice entities: clinical control, assets, and insurance records

A California practice can have one brand, one front desk, and several legal entities. The patient sees one operation. A claim, payment dispute, lender default, or regulatory inquiry may expose the seams: who provided professional care, who employed the person, who controlled the record, who owned the device, and which policy may address the event?

California does not permit a standard LLC, LLP, or general business corporation to practice medicine. A physician can practice individually or through a lawful professional structure. Other entities can provide administrative services or own property, but the ownership records, daily work, contracts, and policy documents must describe their actual roles consistently.

Build an entity map before a dispute forces the question. It should identify each person's employer, each asset's owner, each contract party, who retains final clinical authority, and the issued policies that may be intended to respond.

Four functions define the practice

Most independent practices need to answer four sets of questions.

Part	What it must answer
Professional practice	Who provides care, employs clinicians, controls record content and clinical decisions, and holds the professional role?
Management	Who provides nonclinical staff, systems, marketing, billing support, purchasing, or administration?
Property and equipment	Who owns or leases the building, devices, furniture, vehicles, and tenant improvements?
Individual owners	Who owns shares, signs guarantees, performs professional work, and remains personally responsible for that work?

One entity may perform several functions. Several entities may share one address and public brand. That does not decide employer, record, contract, or coverage status. For each activity, name the legal entity that performs it.

Medical services need a lawful professional structure

Business and Professions Code section 2400 states that corporations and other artificial legal entities have no professional rights, privileges, or powers. Section 2406 and the Moscone-Knox Professional Corporation Act address medical corporations that render professional services while the corporation and relevant people comply with applicable law.

A California professional medical corporation may render medical services when it complies with that law. Corporations Code section 13401.5 permits specified licensed professionals to own a combined minority interest. The list includes podiatrists, psychologists, registered nurses, optometrists, and physician assistants. Their combined shares may not exceed 49 percent, and their number may not exceed the number of physician shareholders. This is not a complete ownership recipe; assess the actual entity, shareholders, services, and agreements with California health-care counsel.

The Medical Board identifies a physician operating a medical practice through a standard LLC, limited liability partnership, or general corporation as a prohibited arrangement. Hiring a physician does not allow a lay owner to operate a business that evaluates, diagnoses, or treats patients.

The public name can be a separate question. A practice that does not use the physician owners' names may need a Medical Board fictitious name permit. A permit is not a DBA, entity-formation, payer-enrollment, lease, or insurance determination. Record the legal name, permitted public name, billing name, website name, lease name, bank name, payer record, and policy name together.

Daily decisions show who controls the practice

The shareholder ledger shows ownership. It does not show who controls daily medical decisions.

The Medical Board says a California-licensed physician must make decisions about appropriate diagnostic tests, referrals or consultations, treatment options, and the patient's overall care. For the Board's listed management decisions, the California-licensed physician must retain ultimate responsibility for or approval of record-content control, clinically based hiring and firing, third-party payer parameters, coding and billing procedures for patient-care services, and the selection of medical equipment and supplies. It also identifies patient volume and physician work hours as clinical-control concerns.

For each decision, record:

Who recommends the action.
Who makes the final decision.
Where the approval is documented.
Who can reverse the decision.

An administrator can prepare a staffing proposal. The professional practice must retain the required approval over clinically based hiring. An MSO can negotiate vendor options. The professional practice must retain the required approval over clinical equipment and supplies. A billing team can propose coding procedures. An unlicensed company cannot control the professional decision about coding and billing procedures for patient-care services.

Reserved powers, veto rights, loan defaults, budget approvals, fee formulas, and software permissions can create control concerns without transferring shares. Compare every contract right with the daily decision it can affect. This is an operational and legal review, not a rule that every financial right is prohibited.

A medical spa must remain physician controlled

The Medical Board gives one prohibited example: a non-physician business offers medical-spa procedures and hires a physician as its "medical director," although the physician does not own the practice. The title does not fix the ownership problem. The actual facts, ownership, services, and control matter.

Record the entity that employs each clinician and buys each drug or device. Identify the California-licensed physician with authority over record content, protocols, supervision, consent, and clinical hiring. Confirm which entity bills the patient and how the issued professional-liability policy describes the physician and entity. Do not infer coverage from an operating title or a public brand.

A physician-led aesthetics practice can use a public brand and outside administrative support. The professional practice must still preserve the Board's clinical-control boundaries. The physician-led med spa guide explains the people, procedures, supervision, facility, and coverage questions.

An MSO provides administrative services

A management services organization (MSO) can provide nonclinical staff, space, technology, scheduling, billing support, bookkeeping, purchasing, marketing, and other administrative services. It cannot arrange for, advertise, or provide medical services, or become the medical practice by contract.

The management services agreement should name each service, fee, asset, system, person, data right, insurance duty, and end term. The fee and authority should match the work. A phrase such as "manage all operations" does not assign specific duties.

Senate Bill 351 added Health and Safety Code sections 1190 through 1192 for defined private-equity groups and hedge funds involved with physician and dental practices. It bars covered investors from interfering with professional judgment and from controlling listed decisions, including records, clinical hiring, payer terms, coding and billing, equipment, and supplies. It voids prohibited provisions. The statutory definitions and exclusions matter; do not generalize this defined investor rule to every MSO, lender, health system, or investor.

Identify every control right, not only ownership. The MSO-managed practice guide explains control, money, people, records, property, and insurance.

A property entity has separate duties

A separate entity may own a building, expensive equipment, or other property and lease it to the medical practice. The property entity, not the professional practice, owns the asset. It can still have premises, maintenance, debt, contract, and insurance exposures.

The parties should follow the lease. They should invoice and pay rent. The owner should maintain records. The policy review should identify how the actual owner and user are covered, if at all. An unsigned or unused lease does not support the claimed separation.

Use a simple schedule for each material asset:

Asset	Legal owner	User	Contract	Debt or guarantee	Insurance
Building	Property entity	Medical practice	Written lease	Mortgage and any personal guarantee	Property, premises, umbrella or excess
Laser or imaging device	Named owner	Named clinicians at listed location	Lease or use agreement	Equipment financing	Property, equipment breakdown, liability
Vehicle	Named owner	Named drivers	Use policy	Auto loan	Commercial auto
Patient records and systems	Professional practice and system custodian	Authorized workforce	Service and access agreements	Vendor contract	Cyber and professional coverage

The practice-property guide explains the lease, guarantee, and required policies.

Map insurance to each entity's actual work

An entity is not insurance. It does not itself provide a defense, repair a building, restore patient data, or satisfy a judgment. It also does not remove a physician's responsibility for personal professional work.

For each type of claim, list every person and entity that could be named.

A patient injury may name the physician, NP or PA, professional medical corporation, facility, and device owner. A fall may name the tenant and landlord. A ransomware event may involve the medical practice, MSO, record vendor, and payment system. An employment claim follows the actual employer and manager.

Then identify the policies that may be intended to respond:

Medical malpractice for clinicians, professional services, and the medical-practice entity.
General liability for premises and nonprofessional operations.
Property and equipment for buildings, contents, devices, and tenant improvements.
Cyber for records, systems, privacy response, and business interruption.
Workers' compensation and employment practices for the actual employers.
Commercial auto for owned or used vehicles.
Management liability for specified claims against directors, officers, or managers.

A named insured is the person or entity listed for coverage. An additional insured receives only the stated coverage another policy grants. An endorsement is a document that changes a policy. Put the exact legal name and role beside each policy. Compare each required endorsement with the issued form. California law says a certificate is not a policy and does not amend, extend, or alter coverage.

The structure needs review before each change

Update the entity and insurance records before the practice does any of the following:

Forms, buys, sells, merges, or closes an entity.
Adds or removes an owner, director, officer, partner, or investor.
Signs or changes a management services agreement.
Adds a physician, NP, PA, medical director, location, or procedure.
Moves staff, records, billing, equipment, or contracts between entities.
Buys real estate or expensive equipment.
Signs a lease, loan, security agreement, or personal guarantee.
Changes a public name, payer enrollment, or billing entity.

For a restructure, compare the current and proposed ownership tables. Assign every person, asset, contract, policy, and period of prior care to the correct entity and date. The restructuring guide provides the transaction sequence.

Entity and insurance records must stay current

Keep the ownership table, control schedule, bylaws, and shareholder records together. Include each permit, agreement, lease, asset schedule, guarantee, clinician roster, service list, payer record, policy, endorsement, and change record.

The records should identify who owns each operation, who controls each decision, and which policy may be intended to respond to each type of claim.

Formation records alone do not preserve legal separation. Daily decisions, contracts, payments, and policies must continue to match the legal structure.