Cal. Bus. & Prof. Code § 2585
(a) Any person representing himself or herself as a registered dietitian shall meet one of the following qualifications:
(2) Possess all of the following qualifications:
(b) Any person representing himself or herself as a dietetic technician, registered shall possess all of the following qualifications:
(2) Satisfactory completion of either of the following:
(e) Notwithstanding any other law or regulation that limits reimbursement to state licensed health care providers and upon referral by a physician and surgeon, the following persons may be reimbursed for the nutritional advice or advice concerning proper nutrition as set forth in Section 2068, or for the nutritional assessments, counseling, and treatments as set forth in Section 2586: