Cal. Bus. & Prof. Code § 2416

Physicians and surgeons and doctors of podiatric medicine may conduct their professional practices in a partnership or group of physician and surgeons or a partnership or group of doctors of podiatric medicine, respectively. Physician and surgeons and doctors of podiatric medicine may establish a professional partnership that includes both physician and surgeons and doctors of podiatric medicine, if both of the following conditions are satisfied:

(a) A majority of the partners and partnership interests in the professional partnership are physician and surgeons or osteopathic physician and surgeons.

(b) Notwithstanding Chapter 2 (commencing with Section 15001) of Title 1 of the Corporations Code, a partner who is not a physician and surgeon shall not practice in the partnership or vote on partnership matters related to the practice of medicine that are outside his or her scope of practice. All partners may vote on general administrative, management, and business matters.