California Med Spa Formation: Avoiding Costly Setup Errors
Opening a med spa in California feels like a traditional business project. You pick a name, find a space, order equipment, and file with the Secretary of State. The trouble is that a med spa is not like other traditional businesses. The moment you offer injectables, laser treatments, or medical-grade peels, you are operating under California's Medical Practice Act, and those rules look nothing like the ones governing a retail storefront.
Physicians, dentists, nurse practitioners, and investors often come to us after the doors are already open. The problems we see are almost always fixable early and expensive later.
Business formation and healthcare compliance are two separate questions
Filing an entity answers the first question. It does not answer the second. California Business and Professions Code section 2400 provides that corporations and other artificial legal entities have no professional rights, privileges, or powers. That is the corporate practice of medicine doctrine, and it is the reason a standard business structure does not work for a med spa.
One question comes up constantly. Can I form an LLC as a doctor in California? Not for medical services. Corporations Code section 17701.04(e) states that nothing in the LLC statute permits a limited liability company to render professional services in this state. The usual vehicle is a professional medical corporation organized under the Moscone-Knox Professional Corporation Act.
Ownership and control deserve a hard look
Ownership in a medical corporation is not open. Under Corporations Code section 13401.5, licensed professionals such as registered nurses, physician assistants, and podiatrists may hold shares, but together they cannot exceed 49 percent, and their number cannot exceed the number of physician shareholders.
Control matters just as much as ownership. The Medical Board of California has long held that a non-physician should not select or fire clinical staff, own patient records, make billing decisions, or approve medical equipment.
Effective January 1, 2026, Senate Bill 351 wrote a nearly identical list into Health and Safety Code sections 1190 through 1192 for practices connected to private equity groups and hedge funds, and made offending contract provisions void.
Contracts and staffing are where structures quietly fail
Management agreements, employment agreements, vendor contracts, and supervision protocols all have to match the ownership structure on paper. A registered nurse performing injections needs a physician order and a written standardized procedure meeting the elements in Title 16, Section 1474 of the California Code of Regulations. For laser and intense pulsed light procedures, section 1364.50 requires a physician with relevant training to be immediately available.
The Medical Board has also said that cosmetologists may never inject the skin or use lasers. That work belongs to a physician, or to a nurse or physician assistant under physician supervision.
Borrowed paperwork is the most common shortcut
Copying another spa's agreements or downloading a management template is understandable but extremely risky. Those documents were written for a different ownership mix, a different service list, and sometimes a different state.
Business and Professions Code section 2417.5 goes further and treats certain non-compliant cosmetic med spa arrangements as a Penal Code violation, which is a very different exposure than a filing error.
If you are forming a med spa in California, or you suspect your current structure does not match how the business actually runs, we would like to look at it before anything else gets built on top of it. We serve clients in the Bay Area, Los Angeles, and throughout California; we offer consultations in English and Spanish, and you work directly with the attorney handling your matter. Schedule a consultation while changes are still simple.
This article is general information, not legal advice, and does not create an attorney-client relationship.
