Provides that contractors may not directly or indirectly through contract or otherwise refuse to reimburse for the health care services legally provided by employees of a contracted chiropractor if the service would be a reimbursable benefit but for the contractor's refusal to recognize or reimburse the services performed by employees of the contracted chiropractor.

Provides that contractors may not refuse to contract with licensed health care providers employed by a contracted chiropractor if such licensed health care provider otherwise meets the fair credentialing standards of the contractor.

Provides that contractors may not require directly or indirectly by contract or otherwise that a chiropractor comply with health care reimbursement or delivery standards that conflict with those standards and practices authorized or adopted by the Washington state chiropractic quality assurance commission.

Declares that any term or condition of any contract between a chiropractor and a contractor that violates a provision of this act and any contractor attempt to waive, modify, or shift responsibility for compliance with this act is invalid.